| Postcode | AL6 9FW | 
|---|---|
| Post Town | Welwyn | 
| Nearest station | Welwyn North (2 km) | 
| Bus stops | No nearby bus stops | 
| Roads in this postcode | |
| Number of UPRNs | 6 View | 
| Known addresses | 1 Dolphin Court, Welwyn 2 Dolphin Court, Welwyn 3 Dolphin Court, Welwyn 4 Dolphin Court, Welwyn 5 Dolphin Court, Welwyn | 
| Main property type | Detached | 
| Businesses | 
| Latitude | 51.820998 | |
|---|---|---|
| Longitude | -0.22541 | |
| Easting | 522408 | |
| Northing | 215086 | |
| Grid reference | TL224150 | |
| UTM reference | 30U 691218 5744770 | |
| what3words | scars.class.flags | |
| FixPhrase | crisped magma sharper tactile | |
| Plus code | 9C3XRQCF+9R | |
| Altitude | 69 metres (228 feet) | |
| Sunrise (today) | 6:54 | |
| Sunset (today) | 16:36 | |
| Distance away | ||
| Distance to sea | 58.5 KMs (36.4 miles) | 
| Parish | Welwyn | E04004822 | 
|---|---|---|
| Ward | Welwyn West | E05011073 | 
| Local Authority District | Welwyn Hatfield | E07000241 | 
| County Electoral Division | Welwyn | E58000675 | 
| Local Authority | Hertfordshire | E10000015 | 
| County | Hertfordshire | E10000015 | 
| Constituency (2024) | Welwyn Hatfield | E14001573 | 
| MP | Andrew Lewin | 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 | June 2016 | 
|---|---|
| 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) | Urban city and town | |
| Census output area (2021) | E00190339 | |
| Census output area (2011) | 4A1 | |
| Lower layer super output area (2021) | Welwyn Hatfield 002D | E01023970 | 
| Lower layer super output area (2011) | Welwyn Hatfield 002D | E01023970 | 
| Middle layer super output area (2021) | Welwyn & Hatfield Garden Village | E02004981 | 
| Middle layer super output area (2011) | Welwyn & Hatfield Garden Village | E02004981 | 
| 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 | 
|---|---|---|---|
| 1 Dolphin Court, Welwyn | Detached (freehold) | Mar 2025 | £1,250,000 | 
| New build detached (freehold) | May 2016 | £1,150,000 | |
| 2 Dolphin Court, Welwyn | New build detached (freehold) | Jul 2016 | £1,150,000 | 
| 4 Dolphin Court, Welwyn | New build detached (freehold) | Jun 2016 | £835,000 | 
| 5 Dolphin Court, Welwyn | New build detached (freehold) | Jun 2016 | £835,000 | 
| 3 Dolphin Court, Welwyn | New build detached (freehold) | Jun 2016 | £845,000 |