| Postcode | AL5 2SD | 
|---|---|
| Post Town | Harpenden | 
| Nearest station | Harpenden (0 km) | 
| Bus stops | Old Cock Inn (S) The George PH (SE) Church Green Terminus (NE) Amenbury Lane (S) Amenbury Lane (NW) Bowers Way (SW) | 
| Roads in this postcode | |
| Number of UPRNs | 4 View | 
| Known addresses | 37 High Street, Harpenden | 
| Main property type | Other | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 51.816726 | |
|---|---|---|
| Longitude | -0.356517 | |
| Easting | 513383 | |
| Northing | 214399 | |
| Grid reference | TL133143 | |
| UTM reference | 30U 682201 5743959 | |
| what3words | cups.news.piano | |
| FixPhrase | crisped magician sepia unusual | |
| Plus code | 9C3XRJ8V+M9 | |
| Altitude | 108 metres (355 feet) | |
| Sunrise (today) | 6:55 | |
| Sunset (today) | 16:37 | |
| Distance away | ||
| Distance to sea | 65.7 KMs (40.8 miles) | 
| Parish | Harpenden Town | E04013284 | 
|---|---|---|
| Ward | Harpenden West | E05013955 | 
| Local Authority District | St Albans | E07000240 | 
| County Electoral Division | Harpenden South West | E58000626 | 
| Local Authority | Hertfordshire | E10000015 | 
| County | Hertfordshire | E10000015 | 
| Constituency (2024) | Harpenden and Berkhamsted | E14001268 | 
| MP | Victoria Collins | Liberal Democrat | 
| Police force | Hertfordshire | |
| Water company | Affinity Water | |
| Sewage company | Thames Water | |
| NUTS/ITL 3 | South West 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) | 2 | |
|---|---|---|
| Households (2011) | 1 | |
| 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) | Harpenden | E63011425 | 
| Census output area (2021) | E00120352 | |
| Census output area (2011) | 2C1 | |
| Lower layer super output area (2021) | St Albans 003C | E01023701 | 
| Lower layer super output area (2011) | St Albans 003C | E01023701 | 
| Middle layer super output area (2021) | Harpenden Town | E02004926 | 
| Middle layer super output area (2011) | Harpenden Town | E02004926 | 
| Travel to work area | Luton | E30000237 | 
| Average property price in St Albans | £541,094 | 
|---|---|
| Annual change | -0.5% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 37 High Street, Harpenden | Other (freehold) | Sep 2017 | £795,000 |