{"id":993701,"date":"2026-06-03T14:10:00","date_gmt":"2026-06-03T14:10:00","guid":{"rendered":"https:\/\/ukpostcode.org\/content\/?p=993701"},"modified":"2026-06-03T14:10:00","modified_gmt":"2026-06-03T14:10:00","slug":"hertfordshire-postcode-areas-districts-and-map-guide","status":"publish","type":"post","link":"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/","title":{"rendered":"Hertfordshire Postcode Areas, Districts and Map Guide"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_73 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Hertfordshire_Postcode_Areas_Districts_and_Map_Guide\" title=\"Hertfordshire Postcode Areas, Districts and Map Guide\">Hertfordshire Postcode Areas, Districts and Map Guide<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Overview_of_Hertfordshire_Postcode_Areas\" title=\"Overview of Hertfordshire Postcode Areas\">Overview of Hertfordshire Postcode Areas<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#AL_St_Albans_Postcode_Area\" title=\"AL (St Albans) Postcode Area\">AL (St Albans) Postcode Area<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Major_AL_Districts\" title=\"Major AL Districts\">Major AL Districts<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#HP_Hemel_Hempstead_Postcode_Area\" title=\"HP (Hemel Hempstead) Postcode Area\">HP (Hemel Hempstead) Postcode Area<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Major_HP_Districts\" title=\"Major HP Districts\">Major HP Districts<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#SG_Stevenage_Postcode_Area\" title=\"SG (Stevenage) Postcode Area\">SG (Stevenage) Postcode Area<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Major_SG_Districts\" title=\"Major SG Districts\">Major SG Districts<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#WD_Watford_Postcode_Area\" title=\"WD (Watford) Postcode Area\">WD (Watford) Postcode Area<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Major_WD_Districts\" title=\"Major WD Districts\">Major WD Districts<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#EN_Enfield_Postcode_Area\" title=\"EN (Enfield) Postcode Area\">EN (Enfield) Postcode Area<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Major_EN_Districts\" title=\"Major EN Districts\">Major EN Districts<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#CM_Chelmsford_Postcode_Area\" title=\"CM (Chelmsford) Postcode Area\">CM (Chelmsford) Postcode Area<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Main_District\" title=\"Main District\">Main District<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#LU_Luton_Postcode_Area\" title=\"LU (Luton) Postcode Area\">LU (Luton) Postcode Area<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Main_Districts\" title=\"Main Districts\">Main Districts<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Major_Towns_and_Their_Postcodes\" title=\"Major Towns and Their Postcodes\">Major Towns and Their Postcodes<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Hertfordshire_Postcode_Map_Structure\" title=\"Hertfordshire Postcode Map Structure\">Hertfordshire Postcode Map Structure<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Economic_Importance_of_Postcode_Districts\" title=\"Economic Importance of Postcode Districts\">Economic Importance of Postcode Districts<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Transport_and_Connectivity\" title=\"Transport and Connectivity\">Transport and Connectivity<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Quick_Facts\" title=\"Quick Facts\">Quick Facts<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Hertfordshire_Postcode_Areas_Districts_and_Map_Guide_%E2%80%93_Case_Studies_and_Comments\" title=\"Hertfordshire Postcode Areas, Districts and Map Guide \u2013 Case Studies and Comments\">Hertfordshire Postcode Areas, Districts and Map Guide \u2013 Case Studies and Comments<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Case_Study_1_Business_Expansion_in_St_Albans\" title=\"Case Study 1: Business Expansion in St Albans\">Case Study 1: Business Expansion in St Albans<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Comment\" title=\"Comment\">Comment<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Case_Study_2_Family_Relocation_to_Welwyn_Garden_City\" title=\"Case Study 2: Family Relocation to Welwyn Garden City\">Case Study 2: Family Relocation to Welwyn Garden City<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Comment-2\" title=\"Comment\">Comment<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Case_Study_3_Logistics_Operations_in_Hemel_Hempstead\" title=\"Case Study 3: Logistics Operations in Hemel Hempstead\">Case Study 3: Logistics Operations in Hemel Hempstead<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Comment-3\" title=\"Comment\">Comment<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Case_Study_4_Retail_Site_Selection_in_Watford\" title=\"Case Study 4: Retail Site Selection in Watford\">Case Study 4: Retail Site Selection in Watford<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Comment-4\" title=\"Comment\">Comment<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Case_Study_5_Housing_Market_Research_in_Hitchin\" title=\"Case Study 5: Housing Market Research in Hitchin\">Case Study 5: Housing Market Research in Hitchin<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Comment-5\" title=\"Comment\">Comment<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Case_Study_6_Healthcare_Resource_Allocation\" title=\"Case Study 6: Healthcare Resource Allocation\">Case Study 6: Healthcare Resource Allocation<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Comment-6\" title=\"Comment\">Comment<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Case_Study_7_School_Capacity_Planning\" title=\"Case Study 7: School Capacity Planning\">Case Study 7: School Capacity Planning<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Comment-7\" title=\"Comment\">Comment<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Case_Study_8_Broadband_Upgrades_in_Rural_Communities\" title=\"Case Study 8: Broadband Upgrades in Rural Communities\">Case Study 8: Broadband Upgrades in Rural Communities<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-38\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Comment-8\" title=\"Comment\">Comment<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-39\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Case_Study_9_Tourism_Promotion_in_Historic_Towns\" title=\"Case Study 9: Tourism Promotion in Historic Towns\">Case Study 9: Tourism Promotion in Historic Towns<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-40\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Comment-9\" title=\"Comment\">Comment<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-41\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Case_Study_10_Industrial_Development_Near_Stevenage\" title=\"Case Study 10: Industrial Development Near Stevenage\">Case Study 10: Industrial Development Near Stevenage<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-42\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Comment-10\" title=\"Comment\">Comment<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-43\" href=\"https:\/\/ukpostcode.org\/content\/hertfordshire-postcode-areas-districts-and-map-guide\/#Overall_Commentary\" title=\"Overall Commentary\">Overall Commentary<\/a><\/li><\/ul><\/nav><\/div>\n<h1><span class=\"ez-toc-section\" id=\"Hertfordshire_Postcode_Areas_Districts_and_Map_Guide\"><\/span>Hertfordshire Postcode Areas, Districts and Map Guide<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Overview_of_Hertfordshire_Postcode_Areas\"><\/span>Overview of Hertfordshire Postcode Areas<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Hertfordshire is divided among several major postcode areas:<\/p>\n<table>\n<thead>\n<tr>\n<th>Postcode Area<\/th>\n<th>Main Coverage in Hertfordshire<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>AL<\/td>\n<td>St Albans and Harpenden<\/td>\n<\/tr>\n<tr>\n<td>HP<\/td>\n<td>Hemel Hempstead, Berkhamsted, Tring<\/td>\n<\/tr>\n<tr>\n<td>SG<\/td>\n<td>Stevenage, Hitchin, Letchworth, Baldock<\/td>\n<\/tr>\n<tr>\n<td>EN<\/td>\n<td>Potters Bar and parts of South Hertfordshire<\/td>\n<\/tr>\n<tr>\n<td>WD<\/td>\n<td>Watford, Bushey, Rickmansworth<\/td>\n<\/tr>\n<tr>\n<td>CM<\/td>\n<td>Bishop&#8217;s Stortford Area<\/td>\n<\/tr>\n<tr>\n<td>LU<\/td>\n<td>Harpenden and North-West Fringe<\/td>\n<\/tr>\n<tr>\n<td>UB<\/td>\n<td>Small areas near the Greater London boundary<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>These postcode areas support efficient mail distribution across urban, suburban, and rural communities.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"AL_St_Albans_Postcode_Area\"><\/span>AL (St Albans) Postcode Area<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The AL postcode area serves central and western Hertfordshire and is one of the county&#8217;s most recognizable postal regions.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Major_AL_Districts\"><\/span>Major AL Districts<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table>\n<thead>\n<tr>\n<th>District<\/th>\n<th>Main Area<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>AL1<\/td>\n<td>Central St Albans<\/td>\n<\/tr>\n<tr>\n<td>AL2<\/td>\n<td>South St Albans<\/td>\n<\/tr>\n<tr>\n<td>AL3<\/td>\n<td>North and West St Albans<\/td>\n<\/tr>\n<tr>\n<td>AL4<\/td>\n<td>East St Albans<\/td>\n<\/tr>\n<tr>\n<td>AL5<\/td>\n<td>Harpenden<\/td>\n<\/tr>\n<tr>\n<td>AL6<\/td>\n<td>Welwyn<\/td>\n<\/tr>\n<tr>\n<td>AL7<\/td>\n<td>Welwyn Garden City<\/td>\n<\/tr>\n<tr>\n<td>AL8<\/td>\n<td>Welwyn Garden City<\/td>\n<\/tr>\n<tr>\n<td>AL9<\/td>\n<td>Hatfield<\/td>\n<\/tr>\n<tr>\n<td>AL10<\/td>\n<td>Hatfield<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The AL postcode area covers many of Hertfordshire&#8217;s most desirable residential locations.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"HP_Hemel_Hempstead_Postcode_Area\"><\/span>HP (Hemel Hempstead) Postcode Area<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The HP postcode area serves much of western Hertfordshire.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Major_HP_Districts\"><\/span>Major HP Districts<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table>\n<thead>\n<tr>\n<th>District<\/th>\n<th>Main Area<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>HP1<\/td>\n<td>Hemel Hempstead North<\/td>\n<\/tr>\n<tr>\n<td>HP2<\/td>\n<td>Hemel Hempstead East<\/td>\n<\/tr>\n<tr>\n<td>HP3<\/td>\n<td>Hemel Hempstead South<\/td>\n<\/tr>\n<tr>\n<td>HP4<\/td>\n<td>Berkhamsted<\/td>\n<\/tr>\n<tr>\n<td>HP5<\/td>\n<td>Chesham Area<\/td>\n<\/tr>\n<tr>\n<td>HP23<\/td>\n<td>Tring<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Hemel Hempstead is one of the county&#8217;s largest towns and an important commercial center.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"SG_Stevenage_Postcode_Area\"><\/span>SG (Stevenage) Postcode Area<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The SG postcode area covers much of northern and eastern Hertfordshire.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Major_SG_Districts\"><\/span>Major SG Districts<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table>\n<thead>\n<tr>\n<th>District<\/th>\n<th>Main Area<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>SG1<\/td>\n<td>Stevenage North<\/td>\n<\/tr>\n<tr>\n<td>SG2<\/td>\n<td>Stevenage South<\/td>\n<\/tr>\n<tr>\n<td>SG3<\/td>\n<td>Knebworth and Villages<\/td>\n<\/tr>\n<tr>\n<td>SG4<\/td>\n<td>Hitchin<\/td>\n<\/tr>\n<tr>\n<td>SG5<\/td>\n<td>Letchworth Garden City<\/td>\n<\/tr>\n<tr>\n<td>SG6<\/td>\n<td>Baldock<\/td>\n<\/tr>\n<tr>\n<td>SG7<\/td>\n<td>Buntingford<\/td>\n<\/tr>\n<tr>\n<td>SG8<\/td>\n<td>Royston Area<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The SG postcode area includes several historic towns and modern planned communities.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"WD_Watford_Postcode_Area\"><\/span>WD (Watford) Postcode Area<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The WD postcode area serves south-west Hertfordshire.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Major_WD_Districts\"><\/span>Major WD Districts<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table>\n<thead>\n<tr>\n<th>District<\/th>\n<th>Main Area<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>WD3<\/td>\n<td>Rickmansworth<\/td>\n<\/tr>\n<tr>\n<td>WD4<\/td>\n<td>Kings Langley<\/td>\n<\/tr>\n<tr>\n<td>WD5<\/td>\n<td>Abbots Langley<\/td>\n<\/tr>\n<tr>\n<td>WD6<\/td>\n<td>Borehamwood<\/td>\n<\/tr>\n<tr>\n<td>WD7<\/td>\n<td>Radlett<\/td>\n<\/tr>\n<tr>\n<td>WD17<\/td>\n<td>Central Watford<\/td>\n<\/tr>\n<tr>\n<td>WD18<\/td>\n<td>West Watford<\/td>\n<\/tr>\n<tr>\n<td>WD19<\/td>\n<td>Bushey<\/td>\n<\/tr>\n<tr>\n<td>WD23<\/td>\n<td>Bushey and Aldenham<\/td>\n<\/tr>\n<tr>\n<td>WD24<\/td>\n<td>North Watford<\/td>\n<\/tr>\n<tr>\n<td>WD25<\/td>\n<td>Garston<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Watford is a major commercial and transport hub with strong links to London.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"EN_Enfield_Postcode_Area\"><\/span>EN (Enfield) Postcode Area<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Southern Hertfordshire includes several EN postcode districts.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Major_EN_Districts\"><\/span>Major EN Districts<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table>\n<thead>\n<tr>\n<th>District<\/th>\n<th>Main Area<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>EN6<\/td>\n<td>Potters Bar<\/td>\n<\/tr>\n<tr>\n<td>EN7<\/td>\n<td>Cheshunt<\/td>\n<\/tr>\n<tr>\n<td>EN8<\/td>\n<td>Waltham Cross<\/td>\n<\/tr>\n<tr>\n<td>EN10<\/td>\n<td>Broxbourne<\/td>\n<\/tr>\n<tr>\n<td>EN11<\/td>\n<td>Hoddesdon<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>These districts are closely connected to Greater London and the Lea Valley corridor.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"CM_Chelmsford_Postcode_Area\"><\/span>CM (Chelmsford) Postcode Area<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The CM postcode area extends into eastern Hertfordshire.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Main_District\"><\/span>Main District<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table>\n<thead>\n<tr>\n<th>District<\/th>\n<th>Main Area<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>CM23<\/td>\n<td>Bishop&#8217;s Stortford<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Bishop&#8217;s Stortford is an important market town and a key gateway to nearby airport and transport networks.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"LU_Luton_Postcode_Area\"><\/span>LU (Luton) Postcode Area<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The LU postcode area covers parts of north-west Hertfordshire.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Main_Districts\"><\/span>Main Districts<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table>\n<thead>\n<tr>\n<th>District<\/th>\n<th>Main Area<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>LU6<\/td>\n<td>Harpenden Fringe and Markyate Area<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Although primarily associated with Bedfordshire, the LU area extends into parts of Hertfordshire.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Major_Towns_and_Their_Postcodes\"><\/span>Major Towns and Their Postcodes<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<table>\n<thead>\n<tr>\n<th>Town<\/th>\n<th>Primary Postcode<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>St Albans<\/td>\n<td>AL1\u2013AL4<\/td>\n<\/tr>\n<tr>\n<td>Harpenden<\/td>\n<td>AL5<\/td>\n<\/tr>\n<tr>\n<td>Welwyn Garden City<\/td>\n<td>AL7\u2013AL8<\/td>\n<\/tr>\n<tr>\n<td>Hatfield<\/td>\n<td>AL9\u2013AL10<\/td>\n<\/tr>\n<tr>\n<td>Hemel Hempstead<\/td>\n<td>HP1\u2013HP3<\/td>\n<\/tr>\n<tr>\n<td>Berkhamsted<\/td>\n<td>HP4<\/td>\n<\/tr>\n<tr>\n<td>Stevenage<\/td>\n<td>SG1\u2013SG2<\/td>\n<\/tr>\n<tr>\n<td>Hitchin<\/td>\n<td>SG4<\/td>\n<\/tr>\n<tr>\n<td>Letchworth Garden City<\/td>\n<td>SG5<\/td>\n<\/tr>\n<tr>\n<td>Watford<\/td>\n<td>WD17\u2013WD25<\/td>\n<\/tr>\n<tr>\n<td>Borehamwood<\/td>\n<td>WD6<\/td>\n<\/tr>\n<tr>\n<td>Potters Bar<\/td>\n<td>EN6<\/td>\n<\/tr>\n<tr>\n<td>Cheshunt<\/td>\n<td>EN7<\/td>\n<\/tr>\n<tr>\n<td>Bishop&#8217;s Stortford<\/td>\n<td>CM23<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Hertfordshire_Postcode_Map_Structure\"><\/span>Hertfordshire Postcode Map Structure<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A typical Hertfordshire postcode map shows:<\/p>\n<ul>\n<li>AL districts covering St Albans, Harpenden, Hatfield, and Welwyn Garden City.<\/li>\n<li>HP districts serving Hemel Hempstead, Berkhamsted, and Tring.<\/li>\n<li>SG districts covering Stevenage, Hitchin, and Letchworth.<\/li>\n<li>WD districts concentrated around Watford and south-west Hertfordshire.<\/li>\n<li>EN districts serving the southern commuter belt.<\/li>\n<li>CM23 covering Bishop&#8217;s Stortford in the east.<\/li>\n<\/ul>\n<p>The map illustrates how postal boundaries often follow historic delivery routes rather than administrative county boundaries.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Economic_Importance_of_Postcode_Districts\"><\/span>Economic Importance of Postcode Districts<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Postcode districts play a major role in:<\/p>\n<ul>\n<li>Property market analysis<\/li>\n<li>Business location planning<\/li>\n<li>Delivery and logistics operations<\/li>\n<li>Healthcare administration<\/li>\n<li>Emergency service coordination<\/li>\n<li>Education planning<\/li>\n<li>Retail market research<\/li>\n<li>Infrastructure development<\/li>\n<\/ul>\n<p>Many organizations use postcode-level data to better understand local demographics and economic activity.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Transport_and_Connectivity\"><\/span>Transport and Connectivity<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Hertfordshire benefits from excellent transport links, including:<\/p>\n<ul>\n<li>M1 motorway<\/li>\n<li>M25 motorway<\/li>\n<li>A1(M)<\/li>\n<li>West Coast Main Line<\/li>\n<li>East Coast Main Line<\/li>\n<li>Thameslink rail services<\/li>\n<li>Connections to London Underground services<\/li>\n<li>Access to major airports<\/li>\n<\/ul>\n<p>These transport networks make postcode organization particularly valuable for businesses and service providers.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Quick_Facts\"><\/span>Quick Facts<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Main postcode areas: AL, HP, SG, WD, EN, and CM<\/li>\n<li>Largest town by postcode coverage: Watford<\/li>\n<li>Historic cathedral city postcode: AL1\u2013AL4 (St Albans)<\/li>\n<li>New town postcode: SG1\u2013SG2 (Stevenage)<\/li>\n<li>Garden City postcode: SG5 (Letchworth Garden City)<\/li>\n<li>Major commuter hubs: Watford, St Albans, Hatfield, and Potters Bar<\/li>\n<li>Eastern gateway town: Bishop&#8217;s Stortford (CM23)<\/li>\n<li>Western market towns: Berkhamsted (HP4) and Tring (HP23)<\/li>\n<\/ul>\n<p>Hertfordshire&#8217;s postcode system reflects the county&#8217;s unique position between London and the wider East of England. With multiple postcode areas serving its towns, villages, business centers, and commuter communities, the system provides an efficient framework for mail delivery, public services, commerce, and regional planning across one of Engl<\/p>\n<h1><span class=\"ez-toc-section\" id=\"Hertfordshire_Postcode_Areas_Districts_and_Map_Guide_%E2%80%93_Case_Studies_and_Comments\"><\/span>Hertfordshire Postcode Areas, Districts and Map Guide \u2013 Case Studies and Comments<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<h2><span class=\"ez-toc-section\" id=\"Case_Study_1_Business_Expansion_in_St_Albans\"><\/span>Case Study 1: Business Expansion in St Albans<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A professional services firm based in London wanted to open a satellite office outside the capital while maintaining easy access to clients.<\/p>\n<p>After reviewing several locations across Hertfordshire, the company focused on the AL postcode area, particularly St Albans. The town offered excellent transport connections, a strong local economy, and access to a highly skilled workforce.<\/p>\n<p>The new office attracted both local businesses and London-based clients, helping the company expand its operations successfully.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Comment\"><\/span>Comment<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The AL postcode area is often viewed as one of Hertfordshire\u2019s most desirable business and residential locations. Its proximity to London makes it attractive for companies seeking regional growth opportunities.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Case_Study_2_Family_Relocation_to_Welwyn_Garden_City\"><\/span>Case Study 2: Family Relocation to Welwyn Garden City<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A family relocating from central London wanted more living space while retaining convenient commuting options.<\/p>\n<p>They compared properties across AL7, AL8, and AL10 postcode districts. After assessing schools, transport links, and local amenities, they chose a neighborhood in Welwyn Garden City.<\/p>\n<p>The move provided a better balance between work, family life, and access to outdoor spaces.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Comment-2\"><\/span>Comment<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Postcode districts help families evaluate communities based on practical factors such as schools, housing availability, and commuting times.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Case_Study_3_Logistics_Operations_in_Hemel_Hempstead\"><\/span>Case Study 3: Logistics Operations in Hemel Hempstead<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A distribution company operating across southern England established a regional warehouse in the HP postcode area.<\/p>\n<p>The company used postcode segmentation to organize delivery routes throughout Hertfordshire and neighboring counties. Drivers were assigned specific postcode sectors, helping improve efficiency and reduce delivery times.<\/p>\n<p>The system allowed the business to handle growing demand without significantly increasing operating costs.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Comment-3\"><\/span>Comment<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Postcode-based route planning is essential for logistics companies serving large populations and diverse geographic areas.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Case_Study_4_Retail_Site_Selection_in_Watford\"><\/span>Case Study 4: Retail Site Selection in Watford<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A national retailer wanted to identify the best location for a new store in south-west Hertfordshire.<\/p>\n<p>Market analysts reviewed customer demographics across WD postcode districts and found strong demand in Watford. The chosen site benefited from high footfall, strong transport connections, and a growing residential population.<\/p>\n<p>The store quickly became one of the company&#8217;s highest-performing regional locations.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Comment-4\"><\/span>Comment<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Retailers often rely on postcode-level analysis to understand consumer behavior and identify areas with strong commercial potential.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Case_Study_5_Housing_Market_Research_in_Hitchin\"><\/span>Case Study 5: Housing Market Research in Hitchin<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A property consultancy examined housing demand across northern Hertfordshire.<\/p>\n<p>By comparing SG4, SG5, and SG6 postcode districts, researchers identified differences in pricing, buyer demographics, and demand levels. The analysis revealed that some areas attracted commuters, while others appealed more to families seeking larger properties.<\/p>\n<p>The findings helped buyers and investors make informed decisions.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Comment-5\"><\/span>Comment<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Postcode districts often reveal local market trends that may not be visible in broader county-wide statistics.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Case_Study_6_Healthcare_Resource_Allocation\"><\/span>Case Study 6: Healthcare Resource Allocation<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Healthcare planners reviewed patient demand across Hertfordshire.<\/p>\n<p>Using postcode data, they identified districts experiencing population growth and increased demand for medical services. Additional staffing and resources were directed toward these areas to maintain service quality.<\/p>\n<p>The strategy helped improve access to healthcare and reduce pressure on existing facilities.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Comment-6\"><\/span>Comment<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Postcodes provide healthcare organizations with a practical way to understand changing population patterns and service requirements.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Case_Study_7_School_Capacity_Planning\"><\/span>Case Study 7: School Capacity Planning<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Education authorities noticed growing enrollment pressures in several Hertfordshire communities.<\/p>\n<p>Analysis of postcode districts showed significant housing development in parts of Stevenage, Hatfield, and Watford. This information helped planners forecast future demand and prioritize school expansion projects.<\/p>\n<p>The proactive approach ensured that educational infrastructure kept pace with population growth.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Comment-7\"><\/span>Comment<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Postcode data is widely used in education planning because it offers detailed geographic insights into demographic change.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Case_Study_8_Broadband_Upgrades_in_Rural_Communities\"><\/span>Case Study 8: Broadband Upgrades in Rural Communities<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A telecommunications provider sought to improve internet connectivity across rural Hertfordshire.<\/p>\n<p>Engineers mapped broadband performance by postcode district and identified areas with slower-than-average speeds. Infrastructure investments were targeted toward these locations, improving connectivity for homes and businesses.<\/p>\n<p>The upgrades supported remote working, online learning, and local economic activity.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Comment-8\"><\/span>Comment<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Postcode analysis helps utility providers identify service gaps and prioritize investment where it will have the greatest impact.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Case_Study_9_Tourism_Promotion_in_Historic_Towns\"><\/span>Case Study 9: Tourism Promotion in Historic Towns<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A tourism organization wanted to increase visitor numbers to Hertfordshire\u2019s historic attractions.<\/p>\n<p>Marketing campaigns focused on destinations within postcode districts such as AL1, SG4, and HP4, highlighting cultural landmarks, shopping areas, and heritage sites.<\/p>\n<p>The campaign generated increased visitor interest and supported local businesses.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Comment-9\"><\/span>Comment<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Postcode districts can help tourism organizations create targeted promotions that showcase specific towns and attractions.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Case_Study_10_Industrial_Development_Near_Stevenage\"><\/span>Case Study 10: Industrial Development Near Stevenage<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A manufacturing company evaluated several locations for a new production facility.<\/p>\n<p>After comparing transport links, workforce availability, and infrastructure across SG postcode districts, the company selected a site near Stevenage. The location provided excellent access to major road and rail networks.<\/p>\n<p>The development created jobs and strengthened the area&#8217;s economic base.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Comment-10\"><\/span>Comment<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Businesses often use postcode-level research to assess long-term investment opportunities and identify locations that support operational efficiency.<\/p>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"Overall_Commentary\"><\/span>Overall Commentary<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>Hertfordshire\u2019s postcode structure is divided among several major postcode areas, including AL, HP, SG, WD, EN, and CM. These postcode districts support much more than mail delivery; they play an important role in business planning, property analysis, healthcare management, education, logistics, infrastructure development, and tourism promotion.<\/p>\n<p>The case studies demonstrate how postcode geography helps organizations make informed decisions. Whether supporting retail growth in Watford, housing development in Welwyn Garden City, industrial investment in Stevenage, or healthcare planning across the county, postcode districts provide valuable insights into local communities and economic activity.<\/p>\n<p>As one of England\u2019s most prosperous and well-connected counties, Hertfordshire benefits greatly from a postcode system that helps businesses, public services, and residents understand and navigate its diverse towns, villages, and growth corridors.<\/p>\n<p>and&#8217;s most prosperous counties.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hertfordshire Postcode Areas, Districts and Map Guide &nbsp; Overview of Hertfordshire Postcode Areas Hertfordshire is divided among several major postcode areas: Postcode Area Main Coverage&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10,6],"tags":[],"class_list":["post-993701","post","type-post","status-publish","format-standard","hentry","category-gb-news","category-uk-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Hertfordshire Postcode Areas, Districts and Map Guide - UK News &amp; 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