| Postcode | AL10 9HY | 
|---|---|
| Post Town | Hatfield | 
| Nearest station | Hatfield (Herts) (2 km) | 
| Bus stops | Vigors Croft (SE) Vigors Croft (NW) Bishop's Close (SW) Bishop's Close (NE) High Dells (W) Todd Building (N) | 
| Roads in this postcode | |
| Number of UPRNs | 10 View | 
| Known addresses | 75 High Dells, Hatfield 77 High Dells, Hatfield 81 High Dells, Hatfield 83 High Dells, Hatfield 87 High Dells, Hatfield 91 High Dells, Hatfield | 
| Main property type | Terraced | 
| Businesses | 
| Latitude | 51.755547 | |
|---|---|---|
| Longitude | -0.238786 | |
| Easting | 521662 | |
| Northing | 207785 | |
| Grid reference | TL216077 | |
| UTM reference | 30U 690572 5737457 | |
| what3words | handy.regime.cans | |
| FixPhrase | crinkly magma spherical unglazed | |
| Plus code | 9C3XQQ46+6F | |
| Altitude | 92 metres (302 feet) | |
| Sunrise (today) | 6:52 | |
| Sunset (today) | 16:38 | |
| Distance away | ||
| Distance to sea | 55.3 KMs (34.4 miles) | 
| Parish | Hatfield | E04004819 | 
|---|---|---|
| Ward | Hatfield South West | E05011063 | 
| 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) | 38 | |
|---|---|---|
| Households (2011) | 10 | |
| 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) | E00121554 | |
| Census output area (2011) | 4A2 | |
| Lower layer super output area (2021) | Welwyn Hatfield 013C | E01023935 | 
| Lower layer super output area (2011) | Welwyn Hatfield 013C | E01023935 | 
| 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 | 
|---|---|---|---|
| 75 High Dells, Hatfield | Terraced (freehold) | Feb 2013 | £190,000 | 
| 77 High Dells, Hatfield | Terraced (freehold) | Apr 2010 | £185,000 | 
| Terraced (freehold) | Jul 1995 | £53,000 | |
| 87 High Dells, Hatfield | Terraced (freehold) | Sep 2003 | £165,000 | 
| 81 High Dells, Hatfield | Terraced (freehold) | Aug 2003 | £164,950 | 
| 83 High Dells, Hatfield | Terraced (freehold) | Jun 2003 | £166,500 | 
| 91 High Dells, Hatfield | Terraced (freehold) | Feb 2002 | £114,000 |