| Postcode | AL9 5WB | 
|---|---|
| Post Town | Hatfield | 
| Nearest station | Welham Green (0 km) | 
| Bus stops | The Rookery (SW) The Rookery (NW) Welham Green Rail Station () Duke's Ride Lodge (N) Duke's Ride Lodge (S) Welham Green Railway Station (W) | 
| Known addresses | 
                          No addresses found
                       | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 51.737542 | |
|---|---|---|
| Longitude | -0.206538 | |
| Easting | 523937 | |
| Northing | 205837 | |
| Grid reference | TL239058 | |
| UTM reference | 30U 692874 5735540 | |
| what3words | coherent.rash.with | |
| FixPhrase | crinkly magma skimmer unified | |
| Plus code | 9C3XPQQV+29 | |
| Altitude | 96 metres (314 feet) | |
| Sunrise (today) | 6:54 | |
| Sunset (today) | 16:37 | |
| Distance away | ||
| Distance to sea | 52.4 KMs (32.5 miles) | 
| Parish | North Mymms | E04012223 | 
|---|---|---|
| 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 | |
| NUTS/ITL 3 | North and East Hertfordshire | |
| NUTS/ITL 2 | Bedfordshire and Hertfordshire | |
| NUTS/ITL 1 | East of England | |
| Country | England | E92000001 | 
| Date introduced | June 2002 | 
|---|---|
| Date usage ended | August 2004 | 
| Last updated | September 2025 | 
| User type | Large (addresses receive more than 25 items of mail per day) | 
| Quality | Imputed by ONS by reference to surrounding postcode grid references | 
| Index of Multiple Deprivation (2019) | Most deprivedLeast deprived | |
|---|---|---|
| Average household income (2020) | Lowest (£22,200)
                        Highest (£108,100)
                       | |
| Rural/urban (2021) | Smaller rural: Nearer to a major town or city | |
| Rural/urban (2011) | Rural hamlet and isolated dwellings | |
| Census output area (2021) | E00121678 | |
| Census output area (2011) | 1B2 | |
| Lower layer super output area (2021) | Welwyn Hatfield 017C | E01035608 | 
| Lower layer super output area (2011) | Welwyn Hatfield 014C | E01023964 | 
| Middle layer super output area (2021) | Welham Green | E02007092 | 
| Middle layer super output area (2011) | Welham Green | E02004993 | 
| Travel to work area | Stevenage and Welwyn Garden City | E30000272 | 
| Average property price in St Albans | £541,094 | 
|---|---|
| Annual change | -0.5% |