| Postcode | AL5 3PU | 
|---|---|
| Post Town | Harpenden | 
| Nearest station | Harpenden (4 km) | 
| Bus stops | 
                       No nearby bus stops 
                     | 
                  
| Roads in this postcode | |
| Number of UPRNs | 3 View | 
| Known addresses | 
                       
                          No addresses found
                       
                     | 
                  
| Businesses | 
                     
                        No businesses found
                     
                   | 
                
| Latitude | 51.831288 | |
|---|---|---|
| Longitude | -0.406405 | |
| Easting | 509909 | |
| Northing | 215942 | |
| Grid reference | TL099159 | |
| UTM reference | 30U 678705 5745454 | |
| what3words | plans.moves.wire | |
| FixPhrase | crisped magical silk twiddling | |
| Plus code | 9C3XRHJV+GC | |
| Altitude | 153 metres (502 feet) | |
| Sunrise (today) | 7:02 | |
| Sunset (today) | 16:30 | |
| Distance away | ||
| Distance to sea | 69.5 KMs (43.2 miles) | 
| Parish | Harpenden Rural | E04004804 | 
|---|---|---|
| Ward | Harpenden North & Rural | E05013953 | 
| Local Authority District | St Albans | E07000240 | 
| County Electoral Division | Harpenden Rural | E58000625 | 
| 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) | Smaller rural: Nearer to a major town or city | |
| Rural/urban (2011) | Urban city and town | |
| Census output area (2021) | E00120457 | |
| Census output area (2011) | 1B2 | |
| Lower layer super output area (2021) | St Albans 006D | E01023725 | 
| Lower layer super output area (2011) | St Albans 006D | E01023725 | 
| Middle layer super output area (2021) | Redbourn | E02004929 | 
| Middle layer super output area (2011) | Redbourn | E02004929 | 
| Travel to work area | Luton | E30000237 | 
| Average property price in St Albans | £544,917 | 
|---|---|
| Annual change | 0.0% |