| Postcode | W1M 3HY | 
|---|---|
| Nearest station | Baker Street (0 km) | 
| Bus stops | 
                       Baker Street Station (W) 
York Street (N) 
Baker Street Station (E) 
Portman Square (S) 
Dorset Street (S) 
Portman Square (N) 
                     | 
                  
| London travel zone | 1 | 
| Known addresses | 
                       
                          No addresses found
                       
                     | 
                  
| Businesses | 
                     
                        No businesses found
                     
                   | 
                
| Latitude | 51.520323 | |
|---|---|---|
| Longitude | -0.153317 | |
| Easting | 528222 | |
| Northing | 181772 | |
| Grid reference | TQ282817 | |
| UTM reference | 30U 697489 5711531 | |
| what3words | global.case.slows | |
| FixPhrase | cringing magnesium shaky unarmored | |
| Plus code | 9C3XGRCW+4M | |
| Altitude | 34 metres (110 feet) | |
| Sunrise (today) | 7:00 | |
| Sunset (today) | 16:30 | |
| Distance away | ||
| Distance to sea | 39.7 KMs (24.7 miles) | 
| Parish | Westminster, unparished area | E43000236 | 
|---|---|---|
| Ward | Marylebone | E05013801 | 
| London Borough | Westminster | E09000033 | 
| County | Greater London | E11000009 | 
| Constituency (2024) | Cities of London and Westminster | E14001172 | 
| MP | Rachel Blake | Labour | 
| Police force | Metropolitan Police | |
| NUTS/ITL 3 | Westminster and City of London | |
| NUTS/ITL 2 | Inner London - West | |
| NUTS/ITL 1 | London | |
| Country | England | E92000001 | 
| Date introduced | January 1980 | 
|---|---|
| Date usage ended | July 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) | Urban major conurbation | |
| Built up area (2024) | City of Westminster | E63012036 | 
| Census output area (2021) | E00023835 | |
| Census output area (2011) | 2D3 | |
| Lower layer super output area (2021) | Westminster 011D | E01004717 | 
| Lower layer super output area (2011) | Westminster 011D | E01004717 | 
| Middle layer super output area (2021) | Marylebone & Park Lane | E02000970 | 
| Middle layer super output area (2011) | Marylebone & Park Lane | E02000970 | 
| Travel to work area | London | E30000234 |