| Postcode | SW1A 1RL | 
|---|---|
| Post Town | London | 
| Nearest station | Green Park (0 km) | 
| Bus stops | Old Bond Street Royal Academy (W) Green Park (SW) Old Bond Street Royal Academy (E) Berkeley Street (S) Green Park (N) Pall Mall  St James's Palace (W) | 
| London travel zone | 1 | 
| Roads in this postcode | |
| Number of UPRNs | 55 View | 
| Known addresses | Flat 4, Arlington House, Arlington Street, London Flat 40, Arlington House, Arlington Street, London Flat 42, Arlington House, Arlington Street, London Flat 60, Arlington House, Arlington Street, London | 
| Main property type | Flat | 
| Businesses | 
| Latitude | 51.506521 | |
|---|---|---|
| Longitude | -0.140892 | |
| Easting | 529123 | |
| Northing | 180259 | |
| Grid reference | TQ291802 | |
| UTM reference | 30U 698411 5710030 | |
| what3words | cans.void.spark | |
| FixPhrase | cringing magnesium schnapps unmasking | |
| Plus code | 9C3XGV45+JJ | |
| Altitude | 29 metres (96 feet) | |
| Sunrise (today) | 6:53 | |
| Sunset (today) | 16:37 | |
| Distance away | ||
| Distance to sea | 38.6 KMs (24 miles) | 
| Parish | Westminster, unparished area | E43000236 | 
|---|---|---|
| Ward | St James's | E05013806 | 
| London Borough | Westminster | E09000033 | 
| County | Greater London | E11000009 | 
| Constituency (2024) | Cities of London and Westminster | E14001172 | 
| MP | Rachel Blake | Labour | 
| Police force | Metropolitan Police | |
| Water company | Thames Water | |
| 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 | 
|---|---|
| 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) | 3 | |
|---|---|---|
| Households (2011) | 2 | |
| 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) | E00023937 | |
| Census output area (2011) | 2D3 | |
| Lower layer super output area (2021) | Westminster 018C | E01004736 | 
| Lower layer super output area (2011) | Westminster 018C | E01004736 | 
| Middle layer super output area (2021) | Strand, St James & Mayfair | E02000977 | 
| Middle layer super output area (2011) | Strand, St James & Mayfair | E02000977 | 
| Travel to work area | London | E30000234 | 
| Average property price in South West London | £707,741 | 
|---|---|
| Annual change | -8.4% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| Flat 60, Arlington House, Arlington Street, London | Flat (leasehold) | Jan 2020 | £3,400,000 | 
| Flat (leasehold) | Jul 2007 | £546,000 | |
| Flat (leasehold) | Oct 2000 | £740,000 | |
| Flat (leasehold) | May 1999 | £675,000 | |
| Flat (leasehold) | Jun 1997 | £450,000 | |
| Flat 42, Arlington House, Arlington Street, London | Flat (leasehold) | Apr 2002 | £1,250,000 | 
| Flat 40, Arlington House, Arlington Street, London | Flat (leasehold) | Sep 1999 | £300,000 | 
| Flat 4, Arlington House, Arlington Street, London | New build flat (leasehold) | Aug 1999 | £288,000 |