W1B 1AA maps, stats, and open data
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W1B 1AA is located in the Marylebone electoral ward, within the London borough of Westminster and the English Parliamentary constituency of Cities of London and Westminster. The Sub Integrated Care Board (ICB) Location is NHS North West London ICB - W2U3Z and the police force is Metropolitan Police. This postcode has been in use since November 2017.
W1B 1AA maps


Source: OS Open Zoomstack (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
Attribution: Contains OS data © Crown copyright and database right 2025
Source: Open Postcode GeoLicence: Open Government Licence (requires attribution)
Attribution: Contains OS data © Crown copyright and database right 2025; Contains Royal Mail data © Royal Mail copyright and database right 2025; Source: Office for National Statistics licensed under the Open Government Licence v.3.0
W1B 1AA geodata
| Easting | 528642 |
| Northing | 182056 |
| Latitude | 51.522780 |
| Longitude | -0.147134 |
Where is W1B 1AA?
| Country | England |
| Postcode District | W1B |
Politics
| Ward | Marylebone |
|---|
| Constituency | Cities Of London And Westminster |
|---|
Transport
Nearest bus stops to W1B 1AA
| Regent's Park (Marylebone Road) | Regent's Park | 102m |
| Regent's Park (Marylebone Road) | Regent's Park | 109m |
| Harley Street | Marylebone | 172m |
| Harley Street | Marylebone | 178m |
| Great Portland Street | Great Portland Street | 212m |
Nearest underground/metro/tram to W1B 1AA
| Regent's Park Underground Station | Regent's Park | 80m |
| Great Portland Street Underground Station | Great Portland Street | 233m |
| Warren Street Underground Station | Warren Street | 659m |
| Baker Street Underground Station | Baker Street | 692m |
| Euston Square Underground Station | Euston Square | 847m |
Nearest railway stations to W1B 1AA
| London Marylebone Station | 1.1km |
| London Euston Station | 1.1km |
| London St Pancras International LL Station | 1.7km |
Broadband
Broadband access in W1B 1AA (2020 data)
| Percentage of properties with Next Generation Access | 100.0% |
| Percentage of properties with Superfast Broadband | 100.0% |
| Percentage of properties with Ultrafast Broadband | 100.0% |
| Percentage of properties with Full Fibre Broadband | 100.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband limitations in W1B 1AA (2020 data)
| Percentage of properties unable to receive 2Mbps | 0.0% |
| Percentage of properties unable to receive 5Mbps | 0.0% |
| Percentage of properties unable to receive 10Mbps | 0.0% |
| Percentage of properties unable to receive 30Mbps | 0.0% |
Deprivation
13.8% of English postcodes are less deprived than
W1B 1AA:
Food Standards Agency
Three nearest food hygiene ratings to W1B 1AA (metres)
Queens College Preparatory School
International Students House
229 GREAT PORTLAND STREET
184m
Wellbeing Centre at the Portland Hospital Part of HCA Healthcare
GPS HOUSE 215-227 GREAT PORTLAND STREET
201m
➜ Get more ratings from the Food Standards Agency
Nearest post box to W1B 1AA
| | Last Collection | |
|---|
| Location | Mon-Fri | Sat | Distance |
|---|
| Park Crescent | 18:30 | 12:00 | 83m |
| Harley Street | 18:30 | 12:00 | 110m |
| Park Square West | 19:00 | 13:00 | 171m |
W1B 1AA ITL and W1B 1AA LAU
The below table lists the International Territorial Level (ITL) codes (formerly Nomenclature of Territorial Units for Statistics (NUTS) codes) and Local Administrative Units (LAU) codes for W1B 1AA:
| ITL 1 Code | Name |
|---|
| TLI | London |
| ITL 2 Code | Name |
|---|
| TLI3 | Inner London - West |
| ITL 3 Code | Name |
|---|
| TLI32 | Westminster |
| LAU 1 Code | Name |
|---|
| E09000033 | Westminster |
W1B 1AA census areas
The below table lists the Census Output Area (OA), Lower Layer Super Output Area (LSOA), and Middle Layer Super Output Area (MSOA) for W1B 1AA:
| Code | Name |
|---|
| OA | E00023848 | |
|---|
| LSOA | E01004716 | Westminster 011C |
|---|
| MSOA | E02000970 | Westminster 011 |
|---|
Nearest postcodes to W1B 1AA