Map of AL5 1NL postcode

Geography
Latitude 51.808279
Longitude -0.34474
Easting 514216
Northing 213478
Grid reference TL142134
UTM reference 30U 683047 5743049
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Plus code 9C3XRM54+84
Altitude 105 metres (343 feet)
Sunrise (today) 4:43
Sunset (today) 21:25
Distance away
Distance to sea 64.5 KMs (40.1 miles)
Administrative areas
ParishHarpendenE04013284
Ward Harpenden West E05013955
Local Authority District St Albans E07000240
County Electoral Division Harpenden South West E58000626
Local Authority Hertfordshire E10000015
County Hertfordshire E10000015
Constituency (2024) Harpenden and Berkhamsted E14001268
MPVictoria CollinsLiberal Democrat
Police forceHertfordshire
Water companyAffinity Water
Sewage companyThames Water
NUTS/ITL 3 South West Hertfordshire
NUTS/ITL 2 Bedfordshire and Hertfordshire
NUTS/ITL 1 East of England
Country England E92000001
Data
Date introduced December 2001
Last updated June 2025
User type Small (addresses receive less than 25 items of mail per day)
Quality Within the building of the matched address closest to the postcode mean
Demographics
Population (2011) 4
Households (2011) 1
Index of Multiple Deprivation (2019)
32,505 / 32,844
Most deprivedLeast deprived
Average household income (2020)
£72,500
Lowest (£22,200) Highest (£108,100)
Rural/urbanUrban city and town
Built up area (2024)HarpendenE63011425
Census output area (2021)E00120359
Census output area (2011)E00120359
Lower layer super output area (2021)St Albans 003EE01023703
Lower layer super output area (2011)St Albans 003EE01023703
Middle layer super output area (2021)Harpenden TownE02004926
Middle layer super output area (2011)Harpenden TownE02004926
Travel to work areaLutonE30000237
Property sales
Average property price in St Albans £541,166
Annual change -2.2%
View all properties sold in the AL postcode area
Properties recently sold in this postcode
AddressTypeDatePrice
1 Marlborough Park, HarpendenOther (freehold)Jan 2020£625,000
Collingham, Marlborough Park, HarpendenTerraced (freehold)Nov 2019£550,000


View all properties sold in the AL5 1 sector

Contains HM Land Registry data © Crown copyright and database right 2025. This data is licensed under the Open Government Licence v3.0.
Contains OS data © Crown copyright and database right 2025
Contains Royal Mail data © Royal Mail copyright and database right 2025
Contains National Statistics data © Crown copyright and database rights 2025
Source: Office for National Statistics licensed under the Open Government Licence v.3.0
Contains data from Wikipedia covered by the Creative Commons license