| Postcode | AL7 4ZN | 
|---|---|
| Post Town | Welwyn, Welwyn Garden City | 
| Nearest station | Welwyn Garden City (2 km) | 
| Bus stops | New QEII Hospital (NE) Ryelands (E) Ryelands (W) Thumbswood (SW) Howlands House (E) Thumbswood (NE) | 
| Known addresses | 
                          No addresses found
                       | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 51.78552 | |
|---|---|---|
| Longitude | -0.189163 | |
| Easting | 525004 | |
| Northing | 211202 | |
| Grid reference | TL250112 | |
| UTM reference | 30U 693868 5740921 | |
| what3words | bills.arts.varieties | |
| FixPhrase | crinkly magnesium stump unfreeze | |
| Plus code | 9C3XQRP6+68 | |
| Altitude | 75 metres (248 feet) | |
| Sunrise (today) | 6:54 | |
| Sunset (today) | 16:36 | |
| Distance away | ||
| Distance to sea | 54.2 KMs (33.7 miles) | 
| Parish | Welwyn Hatfield, unparished area | E43000083 | 
|---|---|---|
| Ward | Hollybush | E05011065 | 
| Local Authority District | Welwyn Hatfield | E07000241 | 
| County Electoral Division | Welwyn Garden City South | E58000676 | 
| 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 | December 1998 | 
|---|---|
| Date usage ended | June 2000 | 
| Last updated | September 2025 | 
| User type | Large (addresses receive more than 25 items of mail per day) | 
| Quality | Postcode sector mean (mainly PO Boxes) | 
| 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) | Welwyn Garden City | E63011463 | 
| Census output area (2021) | E00121567 | |
| Census output area (2011) | 4A1 | |
| Lower layer super output area (2021) | Welwyn Hatfield 009D | E01023942 | 
| Lower layer super output area (2011) | Welwyn Hatfield 009D | E01023942 | 
| Middle layer super output area (2021) | Hollybush | E02004988 | 
| Middle layer super output area (2011) | Hollybush | E02004988 | 
| Travel to work area | Stevenage and Welwyn Garden City | E30000272 | 
| Average property price in St Albans | £541,094 | 
|---|---|
| Annual change | -0.5% |