| Postcode | AL7 4DL | 
|---|---|
| Post Town | Welwyn, Welwyn Garden City | 
| Nearest station | Welwyn Garden City (2 km) | 
| Bus stops | Boundary Lane (NW) Hollybush Lane (NW) Hollybush PH (N) Hollybush Lane (SE) Chequers Field (W) Hunters Way (NW) | 
| Roads in this postcode | |
| Number of UPRNs | 4 View | 
| Known addresses | 116 Boundary Lane, Welwyn Garden City 118 Boundary Lane, Welwyn Garden City 120 Boundary Lane, Welwyn Garden City | 
| Main property type | Semi-detached | 
| Businesses | 
| Latitude | 51.782961 | |
|---|---|---|
| Longitude | -0.20111 | |
| Easting | 524187 | |
| Northing | 210897 | |
| Grid reference | TL241108 | |
| UTM reference | 30U 693055 5740605 | |
| what3words | list.prep.asks | |
| FixPhrase | crinkly magma stubborn tattle | |
| Plus code | 9C3XQQMX+5H | |
| Altitude | 81 metres (265 feet) | |
| Sunrise (today) | 6:54 | |
| Sunset (today) | 16:36 | |
| Distance away | ||
| Distance to sea | 54.7 KMs (34 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 | |
| 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) | 11 | |
|---|---|---|
| Households (2011) | 4 | |
| 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) | E00121555 | |
| Census output area (2011) | 8D2 | |
| Lower layer super output area (2021) | Welwyn Hatfield 009E | E01035606 | 
| Lower layer super output area (2011) | Welwyn Hatfield 009C | E01023941 | 
| 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% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 116 Boundary Lane, Welwyn Garden City | Semi-detached (freehold) | Feb 2025 | £475,000 | 
| Semi-detached (freehold) | Nov 2017 | £460,000 | |
| Semi-detached (freehold) | Jan 2003 | £183,000 | |
| Semi-detached (freehold) | Jun 2001 | £144,000 | |
| 120 Boundary Lane, Welwyn Garden City | Semi-detached (freehold) | Dec 2012 | £270,000 | 
| Semi-detached (freehold) | Jan 2011 | £258,000 | |
| Semi-detached (freehold) | Aug 2005 | £242,000 | |
| Semi-detached (freehold) | Nov 2003 | £222,000 | |
| 118 Boundary Lane, Welwyn Garden City | Semi-detached (freehold) | Jul 2005 | £222,000 |