| Postcode | SG3 6EP | 
|---|---|
| Post Town | Knebworth | 
| Nearest station | Knebworth (0 km) | 
| Bus stops | Station Road (N) Gun Road (S) Gun Road (N) Knebworth Rail Station () Knebworth Railway Station (E) Golf Club (SE) | 
| Roads in this postcode | |
| Number of UPRNs | 2 View | 
| Known addresses | 
                          No addresses found
                       | 
| Businesses | 
| Latitude | 51.865744 | |
|---|---|---|
| Longitude | -0.182531 | |
| Easting | 525239 | |
| Northing | 220135 | |
| Grid reference | TL252201 | |
| UTM reference | 30U 693980 5749858 | |
| what3words | native.daily.tops | |
| FixPhrase | crisped magnesium squiggle upgrade | |
| Plus code | 9C3XVR88+7X | |
| Altitude | 92 metres (303 feet) | |
| Sunrise (today) | 6:54 | |
| Sunset (today) | 16:36 | |
| Distance away | ||
| Distance to sea | 59.4 KMs (36.9 miles) | 
| Parish | Knebworth | E04004783 | 
|---|---|---|
| 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 | December 2000 | 
|---|---|
| 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) | Urban: Nearer to a major town or city | |
| Rural/urban (2011) | Rural town and fringe | |
| Built up area (2024) | Knebworth | E63011325 | 
| Census output area (2021) | E00119996 | |
| Census output area (2011) | 5B1 | |
| Lower layer super output area (2021) | North Hertfordshire 015E | E01023628 | 
| Lower layer super output area (2011) | North Hertfordshire 015E | E01023628 | 
| 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 Stevenage | £395,224 | 
|---|---|
| Annual change | 0.3% |