| Postcode | AL6 9UN | 
|---|---|
| Post Town | Welwyn | 
| Nearest station | Knebworth (2 km) | 
| Bus stops | No nearby bus stops | 
| Roads in this postcode | |
| Number of UPRNs | 5 View | 
| Known addresses | 
                          No addresses found
                       | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 51.859874 | |
|---|---|---|
| Longitude | -0.211421 | |
| Easting | 523266 | |
| Northing | 219433 | |
| Grid reference | TL232194 | |
| UTM reference | 30U 692016 5749129 | |
| what3words | repay.shall.looked | |
| FixPhrase | crisped magma spoof washday | |
| Plus code | 9C3XVQ5Q+WC | |
| Altitude | 132 metres (434 feet) | |
| Sunrise (today) | 6:54 | |
| Sunset (today) | 16:36 | |
| Distance away | ||
| Distance to sea | 60.4 KMs (37.6 miles) | 
| Parish | Codicote | E04004773 | 
|---|---|---|
| Ward | Knebworth | E05015768 | 
| Local Authority District | North Hertfordshire | E07000099 | 
| County Electoral Division | Knebworth & Codicote | E58000646 | 
| Local Authority | Hertfordshire | E10000015 | 
| County | Hertfordshire | E10000015 | 
| Constituency (2024) | Stevenage | E14001516 | 
| MP | Kevin Bonavia | Labour | 
| Police force | Hertfordshire | |
| NUTS/ITL 3 | North and East Hertfordshire | |
| NUTS/ITL 2 | Bedfordshire and Hertfordshire | |
| NUTS/ITL 1 | East of England | |
| Country | England | E92000001 | 
| Date introduced | April 2021 | 
|---|---|
| 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 | 
| 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) | Rural hamlet and isolated dwellings | |
| Census output area (2021) | E00119991 | |
| Census output area (2011) | 1B2 | |
| Lower layer super output area (2021) | North Hertfordshire 015D | E01023627 | 
| Lower layer super output area (2011) | North Hertfordshire 015D | E01023627 | 
| Middle layer super output area (2021) | Knebworth, Codicote & Kimpton | E02004923 | 
| Middle layer super output area (2011) | Knebworth, Codicote & Kimpton | E02004923 | 
| Travel to work area | Stevenage and Welwyn Garden City | E30000272 | 
| Average property price in St Albans | £541,094 | 
|---|---|
| Annual change | -0.5% |