Map of AL7 3JJ postcode

General information
Postcode AL7 3JJ
Post Town Welwyn, Welwyn Garden City
Nearest station Welwyn Garden City (2 km)
Bus stops
Little Gannett (W)
Little Gannett (E)
Ganett Roundabout (N)
Howlands (E)
Howlands (W)
Archers Ride (N)
Roads in this postcode
Number of UPRNs 4 View
Known addresses
257 Heronswood Road, Welwyn Garden City
257A Heronswood Road, Welwyn Garden City
259 Heronswood Road, Welwyn Garden City
Main property type Terraced
Businesses
No businesses found
Geography
Latitude 51.791237
Longitude -0.176826
Easting 525839
Northing 211859
Grid reference TL258118
UTM reference 30U 694694 5741589
what3words match.double.memory
Plus code 9C3XQRRF+F7
Altitude 79 metres (261 feet)
Sunrise (today) 6:13
Sunset (today) 18:07
Distance away
Distance to sea 53.9 KMs (33.5 miles)
Administrative areas
ParishWelwyn Hatfield, unparished areaE43000083
Ward Panshanger E05011068
Local Authority District Welwyn Hatfield E07000241
County Electoral Division Welwyn Garden City South E58000676
Local Authority Hertfordshire E10000015
County Hertfordshire E10000015
Constituency (2024) Welwyn Hatfield E14001573
MPAndrew LewinLabour
Police forceHertfordshire
Water companyAffinity Water
Sewage companyThames Water
NUTS/ITL 3 North and East Hertfordshire
NUTS/ITL 2 Bedfordshire and Hertfordshire
NUTS/ITL 1 East of England
Country England E92000001
Data
Date introduced January 1980
Last updated February 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) 7
Households (2011) 3
Index of Multiple Deprivation (2019)
17,758 / 32,844
Most deprivedLeast deprived
Average household income (2020)
£53,000
Lowest (£22,200) Highest (£108,100)
Rural/urbanUrban city and town
Built up area (2024)Welwyn Garden CityE63011463
Census output area (2021)E00121587
Census output area (2011)E00121587
Lower layer super output area (2021)Welwyn Hatfield 008AE01023943
Lower layer super output area (2011)Welwyn Hatfield 008AE01023943
Middle layer super output area (2021)Hall GroveE02004987
Middle layer super output area (2011)Hall GroveE02004987
Travel to work areaStevenage and Welwyn Garden CityE30000272
Property sales
Average property price in St Albans £544,032
Annual change -2.6%
View all properties sold in the AL postcode area
Properties recently sold in this postcode
AddressTypeDatePrice
257A Heronswood Road, Welwyn Garden CityDetached (freehold)May 2023£333,000
Detached (freehold)Nov 2016£315,000
Detached (freehold)Aug 2010£197,500
257 Heronswood Road, Welwyn Garden CityTerraced (freehold)Jun 2016£307,000
259 Heronswood Road, Welwyn Garden CityTerraced (freehold)May 2009£171,500
Terraced (freehold)Aug 2002£154,995


View all properties sold in the AL7 3 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