| Postcode | AL7 3ER | 
|---|---|
| Post Town | Welwyn, Welwyn Garden City | 
| Nearest station | Welwyn Garden City (1 km) | 
| Bus stops | Salisbury Road (SE) Ridgeway (W) Fire Station (SE) Fire Station (NW) Heronswood Road (S) Heronswood Road (N) | 
| Roads in this postcode | |
| Number of UPRNs | 8 View | 
| Known addresses | 55 Heronswood Road, Welwyn Garden City 63 Heronswood Road, Welwyn Garden City | 
| Main property type | Semi-detached | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 51.796236 | |
|---|---|---|
| Longitude | -0.18608 | |
| Easting | 525187 | |
| Northing | 212399 | |
| Grid reference | TL251123 | |
| UTM reference | 30U 694034 5742120 | |
| what3words | gains.issue.share | |
| FixPhrase | crinkly magnesium surname trembling | |
| Plus code | 9C3XQRW7+FH | |
| Altitude | 89 metres (292 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 | Howlands | E05011066 | 
| 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) | 12 | |
|---|---|---|
| Households (2011) | 7 | |
| 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) | E00121580 | |
| Census output area (2011) | 7A3 | |
| Lower layer super output area (2021) | Welwyn Hatfield 008B | E01023944 | 
| Lower layer super output area (2011) | Welwyn Hatfield 008B | E01023944 | 
| Middle layer super output area (2021) | Hall Grove | E02004987 | 
| Middle layer super output area (2011) | Hall Grove | E02004987 | 
| 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 | 
|---|---|---|---|
| 55 Heronswood Road, Welwyn Garden City | Terraced (freehold) | Oct 2009 | £182,000 | 
| Terraced (freehold) | Jun 2000 | £105,000 | |
| 63 Heronswood Road, Welwyn Garden City | Semi-detached (freehold) | Aug 1997 | £80,000 |