| Postcode | HP11 1NL | 
|---|---|
| Post Town | High Wycombe | 
| Nearest station | High Wycombe (0 km) | 
| Bus stops | Trinity Church (W) Duke Street (W) Duke Street (E) Station Interchange () Railway Station (E) Easton Street (E) | 
| Roads in this postcode | |
| Number of UPRNs | 15 View | 
| Known addresses | St. Johns Place, Easton Street, High Wycombe | 
| Main property type | Other | 
| Businesses |  | 
| Latitude | 51.627974 | |
|---|---|---|
| Longitude | -0.744135 | |
| Easting | 487026 | |
| Northing | 192875 | |
| Grid reference | SU870928 | |
| UTM reference | 30U 656137 5722072 | |
| what3words | scout.quest.moves | |
| FixPhrase | crinkle magazine shredding tameness | |
| Plus code | 9C3XJ7H4+58 | |
| Altitude | 75 metres (247 feet) | |
| Sunrise (today) | 6:56 | |
| Sunset (today) | 16:39 | |
| Distance away | ||
| Distance to sea | 82.1 KMs (51 miles) | 
| Parish | Buckinghamshire, unparished area | E43000275 | 
|---|---|---|
| Ward | Abbey | E05015927 | 
| Unitary Authority | Buckinghamshire | E06000060 | 
| County | Buckinghamshire | E10000002 | 
| Constituency (2024) | Wycombe | E14001600 | 
| MP | Emma Reynolds | Labour | 
| Police force | Thames Valley | |
| Water company | Thames Water | |
| NUTS/ITL 3 | Buckinghamshire | |
| NUTS/ITL 2 | Berkshire, Buckinghamshire and Oxfordshire | |
| NUTS/ITL 1 | South East | |
| Country | England | E92000001 | 
| Date introduced | October 2017 | 
|---|---|
| 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) | Urban city and town | |
| Built up area (2024) | High Wycombe | E63011847 | 
| Census output area (2021) | E00172607 | |
| Census output area (2011) | 2A3 | |
| Lower layer super output area (2021) | Buckinghamshire 049D | E01017839 | 
| Lower layer super output area (2011) | Wycombe 015D | E01017839 | 
| Middle layer super output area (2021) | Town Centre & Marlow Hill | E02003710 | 
| Middle layer super output area (2011) | Town Centre & Marlow Hill | E02003710 | 
| Travel to work area | High Wycombe and Aylesbury | E30000218 | 
| Average property price in Hemel Hempstead | £445,841 | 
|---|---|
| Annual change | -1.0% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| St. Johns Place, Easton Street, High Wycombe | Other (freehold) | Jun 2019 | £8,424,280 |