Map of AL4 9SL postcode

General information
Postcode AL4 9SL
Post Town St. Albans
Nearest station St Albans City (3 km)
Bus stops
Sherwood Avenue (W)
Quantock Close (S)
Quantock Close (N)
Wilstone Drive (W)
Wilstone Drive (E)
Chandlers Road (NW)
Roads in this postcode
Number of UPRNs 25 View
Known addresses
101 Windmill Avenue, St Albans
101 Windmill Avenue, St. Albans
103 Windmill Avenue, St Albans
105 Windmill Avenue, St Albans
105 Windmill Avenue, St. Albans
109 Windmill Avenue, St Albans
109 Windmill Avenue, St. Albans
115 Windmill Avenue, St. Albans
117 Windmill Avenue, St Albans
121 Windmill Avenue, St Albans
127 Windmill Avenue, St. Albans
129 Windmill Avenue, St Albans
129 Windmill Avenue, St. Albans
Main property type Terraced
Businesses
Geography
Latitude 51.771299
Longitude -0.303231
Easting 517173
Northing 209431
Grid reference TL171094
UTM reference 30U 686060 5739042
what3words tens.loving.closet
Plus code 9C3XQMCW+GP
Altitude 99 metres (326 feet)
Sunrise (today) 6:19
Sunset (today) 18:04
Distance away
Distance to sea 60 KMs (37.3 miles)
Administrative areas
ParishSandridgeE04013286
Ward Marshalswick East & Jersey Farm E05015801
Local Authority District St Albans E07000240
County Electoral Division Colney Heath & Marshalswick E58000618
Local Authority Hertfordshire E10000015
County Hertfordshire E10000015
Constituency (2024) St Albans E14001507
MPDaisy CooperLiberal 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 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) 45
Households (2011) 18
Index of Multiple Deprivation (2019)
30,830 / 32,844
Most deprivedLeast deprived
Average household income (2020)
£60,400
Lowest (£22,200) Highest (£108,100)
Rural/urbanUrban city and town
Built up area (2024)St AlbansE63011552
Census output area (2021)E00120413
Census output area (2011)E00120413
Lower layer super output area (2021)St Albans 008CE01023711
Lower layer super output area (2011)St Albans 008CE01023711
Middle layer super output area (2021)MarshalswickE02004931
Middle layer super output area (2011)MarshalswickE02004931
Travel to work areaLutonE30000237
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
117 Windmill Avenue, St AlbansTerraced (freehold)Apr 2023£470,000
Terraced (freehold)Aug 2018£385,000
121 Windmill Avenue, St AlbansTerraced (freehold)Aug 2022£530,000
101 Windmill Avenue, St AlbansTerraced (freehold)Oct 2021£450,000
129 Windmill Avenue, St AlbansTerraced (freehold)Jun 2021£418,000
Terraced (freehold)Feb 2016£335,000
103 Windmill Avenue, St AlbansTerraced (freehold)Aug 2018£375,000
105 Windmill Avenue, St AlbansTerraced (freehold)Mar 2015£285,000
109 Windmill Avenue, St AlbansSemi-detached (freehold)Apr 2009£175,000
115 Windmill Avenue, St. AlbansFlat (freehold)Jan 2009£195,000
129 Windmill Avenue, St. AlbansTerraced (freehold)Jul 2008£249,950
Terraced (freehold)Sep 1998£91,500
109 Windmill Avenue, St. AlbansSemi-detached (freehold)May 2006£195,000
Semi-detached (freehold)Sep 2004£175,000
Semi-detached (freehold)Aug 2000£73,000


View all properties sold in the AL4 9 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