| Postcode | AL10 8LL | 
|---|---|
| Post Town | Hatfield | 
| Nearest station | Welham Green (2 km) | 
| Bus stops | The District Cemetery (NE) The District Cemetery (SW) Garden Avenue (SW) Northdown Road (SE) The Downs (E) Northdown Road (NW) | 
| Roads in this postcode | |
| Number of UPRNs | 27 View | 
| Known addresses | 3 Garden Avenue, Hatfield 9 Garden Avenue, Hatfield 19 Garden Avenue, Hatfield 21 Garden Avenue, Hatfield 23 Garden Avenue, Hatfield 25 Garden Avenue, Hatfield 27 Garden Avenue, Hatfield 33 Garden Avenue, Hatfield 37 Garden Avenue, Hatfield 39 Garden Avenue, Hatfield 41 Garden Avenue, Hatfield 45 Garden Avenue, Hatfield | 
| Main property type | Terraced | 
| Businesses | 
| Latitude | 51.743555 | |
|---|---|---|
| Longitude | -0.232475 | |
| Easting | 522130 | |
| Northing | 206462 | |
| Grid reference | TL221064 | |
| UTM reference | 30U 691058 5736140 | |
| what3words | sands.admits.gossip | |
| FixPhrase | crinkly magma slingshot unshipped | |
| Plus code | 9C3XPQV9+C2 | |
| Altitude | 94 metres (310 feet) | |
| Sunrise (today) | 6:54 | |
| Sunset (today) | 16:37 | |
| Distance away | ||
| Distance to sea | 54.3 KMs (33.7 miles) | 
| Parish | Hatfield | E04004819 | 
|---|---|---|
| Ward | Welham Green and Hatfield South | E05011071 | 
| Local Authority District | Welwyn Hatfield | E07000241 | 
| County Electoral Division | Hatfield South | E58000630 | 
| Local Authority | Hertfordshire | E10000015 | 
| County | Hertfordshire | E10000015 | 
| Constituency (2024) | Welwyn Hatfield | E14001573 | 
| MP | Andrew Lewin | Labour | 
| Police force | Hertfordshire | |
| Water company | Affinity Water | |
| Sewage company | Thames Water | |
| NUTS/ITL 3 | North and East Hertfordshire | |
| NUTS/ITL 2 | Bedfordshire and Hertfordshire | |
| NUTS/ITL 1 | East of England | |
| Country | England | E92000001 | 
| Date introduced | January 1980 | 
|---|---|
| Last updated | September 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 | 
| Population (2011) | 75 | |
|---|---|---|
| Households (2011) | 22 | |
| Index of Multiple Deprivation (2019) | Most deprivedLeast deprived | |
| Average household income (2020) | Lowest (£22,200)
                        Highest (£108,100)
                       | |
| Rural/urban (2021) | Urban: Nearer to a major town or city | |
| Rural/urban (2011) | Urban city and town | |
| Built up area (2024) | Hatfield | E63011549 | 
| Census output area (2021) | E00121535 | |
| Census output area (2011) | 4A2 | |
| Lower layer super output area (2021) | Welwyn Hatfield 013A | E01023932 | 
| Lower layer super output area (2011) | Welwyn Hatfield 013A | E01023932 | 
| Middle layer super output area (2021) | Hatfield South | E02004992 | 
| Middle layer super output area (2011) | Hatfield South | E02004992 | 
| Travel to work area | Stevenage and Welwyn Garden City | E30000272 | 
| Average property price in St Albans | £541,094 | 
|---|---|
| Annual change | -0.5% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 9 Garden Avenue, Hatfield | Flat (freehold) | Sep 2024 | £325,000 | 
| Flat (freehold) | Aug 2001 | £40,000 | |
| Flat (freehold) | May 1995 | £55,000 | |
| 19 Garden Avenue, Hatfield | Other (freehold) | Jul 2024 | £375,000 | 
| Terraced (freehold) | Sep 2015 | £232,000 | |
| Terraced (freehold) | Mar 2007 | £179,950 | |
| Terraced (freehold) | Dec 2003 | £154,000 | |
| Terraced (freehold) | Feb 1997 | £58,000 | |
| 3 Garden Avenue, Hatfield | Flat (leasehold) | Aug 2023 | £260,000 | 
| Flat (leasehold) | Jun 2013 | £149,000 | |
| Flat (leasehold) | Jul 2006 | £157,000 | |
| 21 Garden Avenue, Hatfield | Terraced (freehold) | Nov 2021 | £340,000 | 
| Terraced (freehold) | May 2015 | £235,000 | |
| Terraced (freehold) | Dec 2007 | £138,500 | |
| 45 Garden Avenue, Hatfield | Terraced (freehold) | Aug 2021 | £320,000 | 
| Terraced (freehold) | Jan 2016 | £285,000 | |
| Terraced (freehold) | Sep 2000 | £108,500 | |
| 33 Garden Avenue, Hatfield | Terraced (freehold) | Mar 2021 | £290,000 | 
| Terraced (freehold) | Aug 2014 | £214,950 | |
| Terraced (freehold) | Jun 2011 | £180,000 | |
| Terraced (freehold) | Aug 2001 | £106,000 | |
| 37 Garden Avenue, Hatfield | Terraced (freehold) | Aug 2019 | £292,400 | 
| 25 Garden Avenue, Hatfield | Terraced (freehold) | Dec 2017 | £285,000 | 
| Terraced (freehold) | Feb 2004 | £167,995 | |
| Terraced (freehold) | Mar 1995 | £48,500 | |
| 27 Garden Avenue, Hatfield | Terraced (freehold) | Oct 2014 | £200,000 | 
| Terraced (freehold) | Mar 2002 | £120,000 | |
| 41 Garden Avenue, Hatfield | Terraced (freehold) | Feb 2014 | £200,000 | 
| Terraced (freehold) | Jan 2011 | £206,000 | |
| Terraced (freehold) | Sep 2006 | £198,500 |