| Postcode | AL5 3QJ | 
|---|---|
| Post Town | Harpenden | 
| Nearest station | Harpenden (2 km) | 
| Bus stops | 
                       Ridgewood Drive (NW) 
Farm Avenue (SE) 
Farm Avenue (NW) 
The Common (SE) 
                     | 
                  
| Known addresses | 
                       
                          No addresses found
                       
                     | 
                  
| Businesses | 
                     
                        No businesses found
                     
                   | 
                
| Latitude | 51.826554 | |
|---|---|---|
| Longitude | -0.377186 | |
| Easting | 511934 | |
| Northing | 215460 | |
| Grid reference | TL119154 | |
| UTM reference | 30U 680737 5745000 | |
| what3words | begin.island.such | |
| FixPhrase | crisped magician shortly unquote | |
| Plus code | 9C3XRJGF+J4 | |
| Altitude | 130 metres (425 feet) | |
| Sunrise (today) | 7:02 | |
| Sunset (today) | 16:30 | |
| Distance away | ||
| Distance to sea | 67.5 KMs (41.9 miles) | 
| Parish | Harpenden Town | E04013284 | 
|---|---|---|
| Ward | Harpenden North & Rural | E05013953 | 
| Local Authority District | St Albans | E07000240 | 
| County Electoral Division | Harpenden North East | E58000624 | 
| Local Authority | Hertfordshire | E10000015 | 
| County | Hertfordshire | E10000015 | 
| Constituency (2024) | Harpenden and Berkhamsted | E14001268 | 
| MP | Victoria Collins | Liberal Democrat | 
| Police force | Hertfordshire | |
| NUTS/ITL 3 | South West Hertfordshire | |
| NUTS/ITL 2 | Bedfordshire and Hertfordshire | |
| NUTS/ITL 1 | East of England | |
| Country | England | E92000001 | 
| Date introduced | December 1994 | 
|---|---|
| Date usage ended | December 1999 | 
| Last updated | September 2025 | 
| User type | Large (addresses receive more than 25 items of mail per day) | 
| Quality | Postcode sector mean (mainly PO Boxes) | 
| 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) | E00120308 | |
| Census output area (2011) | 6A2 | |
| Lower layer super output area (2021) | St Albans 001B | E01023691 | 
| Lower layer super output area (2011) | St Albans 001B | E01023691 | 
| Middle layer super output area (2021) | Harpenden North | E02004924 | 
| Middle layer super output area (2011) | Harpenden North | E02004924 | 
| Travel to work area | Luton | E30000237 | 
| Average property price in St Albans | £544,917 | 
|---|---|
| Annual change | 0.0% |