| Postcode | AL6 9SG | 
|---|---|
| Post Town | Welwyn | 
| Nearest station | Welwyn North (3 km) | 
| Bus stops | No nearby bus stops | 
| Roads in this postcode | |
| Number of UPRNs | 27 View | 
| Known addresses | Heathfield, Danesbury Lane, Welwyn Tanglewood, Danesbury Lane, Welwyn 1 Danesbury Lane, Welwyn 2A Danesbury Lane, Welwyn 2B Danesbury Lane, Welwyn 4 Danesbury Lane, Welwyn 7 Danesbury Lane, Welwyn | 
| Main property type | Detached | 
| Businesses | 
| Latitude | 51.845201 | |
|---|---|---|
| Longitude | -0.207371 | |
| Easting | 523585 | |
| Northing | 217808 | |
| Grid reference | TL235178 | |
| UTM reference | 30U 692358 5747508 | |
| what3words | gained.swing.coast | |
| FixPhrase | crisped magma smasher travel | |
| Plus code | 9C3XRQWV+33 | |
| Altitude | 118 metres (387 feet) | |
| Sunrise (today) | 6:54 | |
| Sunset (today) | 16:36 | |
| Distance away | ||
| Distance to sea | 59.2 KMs (36.8 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 | |
| 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) | 16 | |
|---|---|---|
| Households (2011) | 6 | |
| 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) | Woolmer Green | E63011372 | 
| Census output area (2021) | E00119992 | |
| Census output area (2011) | 6A1 | |
| 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% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 4 Danesbury Lane, Welwyn | Detached (freehold) | May 2021 | £1,250,000 | 
| 2A Danesbury Lane, Welwyn | Detached (freehold) | Feb 2020 | £1,200,000 | 
| Detached (freehold) | Dec 2015 | £1,010,000 | |
| Detached (freehold) | Oct 2011 | £850,000 | |
| 7 Danesbury Lane, Welwyn | Other (freehold) | Apr 2017 | £1,750,000 | 
| Detached (freehold) | May 2001 | £950,000 | |
| Detached (freehold) | Jun 1997 | £290,000 | |
| Tanglewood, Danesbury Lane, Welwyn | Detached (freehold) | Aug 2015 | £1,250,000 | 
| Detached (freehold) | Jul 1995 | £192,500 | |
| 2B Danesbury Lane, Welwyn | Detached (freehold) | Jun 2015 | £1,250,000 | 
| Detached (freehold) | Mar 2014 | £1,120,000 | |
| Heathfield, Danesbury Lane, Welwyn | Detached (freehold) | Mar 2013 | £1,300,000 | 
| 1 Danesbury Lane, Welwyn | Detached (freehold) | Mar 2008 | £1,395,000 | 
| Detached (freehold) | Jul 2006 | £565,000 | |
| Detached (freehold) | Jan 1997 | £75,000 |