| Postcode | SW1X 8JZ | 
|---|---|
| Post Town | London | 
| Nearest station | Knightsbridge (0 km) | 
| Bus stops | Pont Street (N) Hyde Park Corner (W) Sloane Street  Knightsbridge Station (S) Hyde Park Corner (E) Knightsbridge Station (N) Eaton Square (W) | 
| London travel zone | 1 | 
| Roads in this postcode | |
| Number of UPRNs | 12 View | 
| Known addresses | 2 Halkin Mews, London 3 Halkin Mews, London 4 Halkin Mews, London 13 Halkin Mews, London 15 Halkin Mews, London 16 Halkin Mews, London | 
| Main property type | Terraced | 
| Businesses | 
| Latitude | 51.499197 | |
|---|---|---|
| Longitude | -0.156044 | |
| Easting | 528092 | |
| Northing | 179418 | |
| Grid reference | TQ280794 | |
| UTM reference | 30U 697392 5709175 | |
| what3words | grain.falls.pint | |
| FixPhrase | cringe magnesium swifter tremor | |
| Plus code | 9C3XFRXV+MH | |
| Altitude | 16 metres (52 feet) | |
| Sunrise (today) | 6:53 | |
| Sunset (today) | 16:37 | |
| Distance away | ||
| Distance to sea | 39.6 KMs (24.6 miles) | 
| Parish | Westminster, unparished area | E43000236 | 
|---|---|---|
| Ward | Knightsbridge & Belgravia | E05013797 | 
| 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) | 13 | |
|---|---|---|
| Households (2011) | 6 | |
| 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) | E00190381 | |
| Census output area (2011) | 3D3 | |
| Lower layer super output area (2021) | Westminster 019E | E01004691 | 
| Lower layer super output area (2011) | Westminster 019E | E01004691 | 
| Middle layer super output area (2021) | Knightsbridge, Belgravia & Hyde Park | E02000978 | 
| Middle layer super output area (2011) | Knightsbridge, Belgravia & Hyde Park | E02000978 | 
| Travel to work area | London | E30000234 | 
| Average property price in South West London | £707,741 | 
|---|---|
| Annual change | -8.4% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 4 Halkin Mews, London | Terraced (freehold) | Feb 2025 | £3,000,000 | 
| Terraced (freehold) | Jun 2021 | £1,400,000 | |
| Terraced (freehold) | Jun 2017 | £1,650,000 | |
| 15 Halkin Mews, London | Terraced (leasehold) | Jun 2024 | £8,468,439 | 
| Terraced (leasehold) | Aug 2022 | £4,300,000 | |
| 2 Halkin Mews, London | Terraced (freehold) | Jul 2022 | £2,720,000 | 
| 3 Halkin Mews, London | Flat (leasehold) | May 2006 | £1,920,000 | 
| Flat (leasehold) | Jun 1999 | £1,000,000 | |
| Flat (leasehold) | Jun 1997 | £834,000 | |
| 16 Halkin Mews, London | Terraced (leasehold) | Oct 2004 | £950,000 | 
| 13 Halkin Mews, London | Terraced (leasehold) | Sep 1995 | £365,000 |