| Postcode | AL5 2SJ | 
|---|---|
| Post Town | Harpenden | 
| Nearest station | Harpenden (0 km) | 
| Bus stops | 
                       Old Cock Inn (N) 
Church Green Terminus (NE) 
Bowers Way (SW) 
Bowers Way (NE) 
The George PH (SE) 
Amenbury Lane (NW) 
                     | 
                  
| Roads in this postcode | |
| Number of UPRNs | 14 View | 
| Known addresses | 
                       43 High Street, Harpenden 
                            43A High Street, Harpenden 
                            43B High Street, Harpenden 
                            45A High Street, Harpenden 
                            45B High Street, Harpenden 
                       | 
                  
| Main property type | Flat | 
| Businesses | 
                     
                        No businesses found
                     
                   | 
                
| Latitude | 51.817304 | |
|---|---|---|
| Longitude | -0.356699 | |
| Easting | 513369 | |
| Northing | 214463 | |
| Grid reference | TL133144 | |
| UTM reference | 30U 682186 5744022 | |
| what3words | appear.dangerously.noting | |
| FixPhrase | crisped magician serpent twerp | |
| Plus code | 9C3XRJ8V+W8 | |
| Altitude | 109 metres (358 feet) | |
| Sunrise (today) | 7:02 | |
| Sunset (today) | 16:30 | |
| Distance away | ||
| Distance to sea | 65.8 KMs (40.9 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) | 12 | |
|---|---|---|
| Households (2011) | 6 | |
| 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 | £544,917 | 
|---|---|
| Annual change | 0.0% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 43B High Street, Harpenden | Flat (leasehold) | May 2016 | £350,000 | 
| Flat (leasehold) | Apr 2014 | £240,000 | |
| Flat (leasehold) | Apr 2004 | £210,000 | |
| 43 High Street, Harpenden | Terraced (freehold) | Sep 2011 | £350,000 | 
| 45B High Street, Harpenden | Flat (leasehold) | Jun 2006 | £173,000 | 
| Flat (leasehold) | Nov 2002 | £194,950 | |
| 43A High Street, Harpenden | Flat (leasehold) | Feb 2006 | £199,000 | 
| Flat (leasehold) | Mar 1996 | £65,000 | |
| 45A High Street, Harpenden | Flat (leasehold) | Sep 2005 | £215,000 | 
| Flat (leasehold) | Sep 1999 | £120,000 | |
| Flat (leasehold) | Mar 1998 | £90,000 |