| Postcode | AL6 0LH | 
|---|---|
| Post Town | Welwyn | 
| Nearest station | Welwyn North (3 km) | 
| Bus stops | Plume of Feathers PH (SE) Rose and Crown PH (S) Rose and Crown PH (N) Grasswarren Estate (S) | 
| Roads in this postcode | |
| Number of UPRNs | 6 View | 
| Known addresses | The Barn House, 80 Upper Green Road, Tewin 72 Upper Green Road, Tewin 76 Upper Green Road, Tewin | 
| Main property type | Other | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 51.821198 | |
|---|---|---|
| Longitude | -0.154882 | |
| Easting | 527268 | |
| Northing | 215229 | |
| Grid reference | TL272152 | |
| UTM reference | 30U 696077 5744979 | |
| what3words | digs.native.tour | |
| FixPhrase | crisped magnesium shaping tribute | |
| Plus code | 9C3XRRCW+F2 | |
| Altitude | 87 metres (285 feet) | |
| Sunrise (today) | 6:54 | |
| Sunset (today) | 16:36 | |
| Distance away | ||
| Distance to sea | 54.7 KMs (34 miles) | 
| Parish | Tewin | E04004752 | 
|---|---|---|
| Ward | Hertford Rural | E05015368 | 
| Local Authority District | East Hertfordshire | E07000242 | 
| County Electoral Division | Hertford Rural | E58000638 | 
| Local Authority | Hertfordshire | E10000015 | 
| County | Hertfordshire | E10000015 | 
| Constituency (2024) | North East Hertfordshire | E14001393 | 
| MP | Chris Hinchliff | Labour | 
| Police force | Hertfordshire | |
| Water company | Affinity Water | |
| Sewage company | Thames Water | |
| NUTS/ITL 3 | North and East 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) | 9 | |
|---|---|---|
| Households (2011) | 3 | |
| 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) | Rural village | |
| Built up area (2024) | Tewin | E63011431 | 
| Census output area (2021) | E00119296 | |
| Census output area (2011) | 6B2 | |
| Lower layer super output area (2021) | East Hertfordshire 010B | E01023486 | 
| Lower layer super output area (2011) | East Hertfordshire 010B | E01023486 | 
| Middle layer super output area (2021) | Watton-at-Stone, Bramfield & Bayford | E02004887 | 
| Middle layer super output area (2011) | Watton-at-Stone, Bramfield & Bayford | E02004887 | 
| Travel to work area | Stevenage and Welwyn Garden City | E30000272 | 
| Average property price in St Albans | £541,094 | 
|---|---|
| Annual change | -0.5% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| The Barn House, 80 Upper Green Road, Tewin | Other (freehold) | Feb 2019 | £1,480,000 | 
| 72 Upper Green Road, Tewin | Other (freehold) | Dec 2016 | £703,000 | 
| 76 Upper Green Road, Tewin | Semi-detached (freehold) | Jan 2016 | £588,000 |