Map of AL7 1DN postcode

General information
Postcode AL7 1DN
Post Town Welwyn, Welwyn Garden City
Nearest station Welwyn North (1 km)
Bus stops
Nursery Hill (NE)
Shops (NE)
Shops (SW)
Blythway (NE)
Blythway (SW)
Sloansway (S)
Roads in this postcode
Number of UPRNs 12 View
Known addresses
133 Blythway, Welwyn Garden City
135 Blythway, Welwyn Garden City
143 Blythway, Welwyn Garden City
Main property type Terraced
Businesses
Geography
Latitude 51.814824
Longitude -0.192589
Easting 524687
Northing 214455
Grid reference TL246144
UTM reference 30U 693506 5744170
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Plus code 9C3XRR74+WX
Altitude 79 metres (260 feet)
Sunrise (today) 5:18
Sunset (today) 20:38
Distance away
Distance to sea 56.3 KMs (35 miles)
Administrative areas
ParishWelwyn Hatfield, unparished areaE43000083
Ward Welwyn East E05011072
Local Authority District Welwyn Hatfield E07000241
County Electoral Division Haldens E58000622
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) 33
Households (2011) 11
Index of Multiple Deprivation (2019)
12,508 / 32,844
Most deprivedLeast deprived
Average household income (2020)
£50,600
Lowest (£22,200) Highest (£108,100)
Rural/urbanUrban city and town
Built up area (2024)Welwyn Garden CityE63011463
Census output area (2021)E00121433
Census output area (2011)E00121433
Lower layer super output area (2021)Welwyn Hatfield 004CE01023914
Lower layer super output area (2011)Welwyn Hatfield 004CE01023914
Middle layer super output area (2021)HaldensE02004983
Middle layer super output area (2011)HaldensE02004983
Travel to work areaStevenage and Welwyn Garden CityE30000272
Property sales
Average property price in St Albans £543,607
Annual change -1.7%
View all properties sold in the AL postcode area
Properties recently sold in this postcode
AddressTypeDatePrice
135 Blythway, Welwyn Garden CityTerraced (freehold)Jun 2024£485,000
Terraced (freehold)Dec 2010£270,000
Terraced (freehold)Jul 2008£273,000
Terraced (freehold)Dec 2004£225,000
Terraced (freehold)Sep 1996£68,000
143 Blythway, Welwyn Garden CitySemi-detached (freehold)Jun 2019£425,000
Semi-detached (freehold)Sep 2007£160,000
133 Blythway, Welwyn Garden CityTerraced (freehold)Jul 2004£171,250
Terraced (freehold)Sep 1995£66,500


View all properties sold in the AL7 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