| Postcode | SW1X 8NG | 
|---|---|
| Post Town | London | 
| Nearest station | Sloane Square (0 km) | 
| Bus stops | Pont Street (N) Sloane Street  Sloane Square Station (N) Sloane Square (S) Pont Street (S) Eaton Square (S) Sloane Square (W) | 
| London travel zone | 1 | 
| Roads in this postcode | |
| Number of UPRNs | 36 View | 
| Known addresses | Flat 10, Chalfont House, 19 - 21 Chesham Street, London Flat 12, Chalfont House, 19 - 21 Chesham Street, London Flat 16, Chalfont House, 19 - 21 Chesham Street, London Flat 17, Chalfont House, 19 - 21 Chesham Street, London Flat 21, Chalfont House, 37 - 49 Cadogan Lane, London Flat 23, Chalfont House, 37 - 49 Cadogan Lane, London Flat 24, Chalfont House, 37 - 49 Cadogan Lane, London Flat 26, Chalfont House, 19 - 21 Chesham Street, London Flat 28, Chalfont House, 19 - 21 Chesham Street, London Flat 2A, Chalfont House, 19 - 21 Chesham Street, London Flat 2B, Chalfont House, 19 - 21 Chesham Street, London Flat 3, Chalfont House, 19 - 21 Chesham Street, London Flat 30, Chalfont House, 19 - 21 Chesham Street, London Flat 31, Chalfont House, 37 - 49 Cadogan Lane, London Flat 32, Chalfont House, 19 - 21 Chesham Street, London Flat 36, Chalfont House, 19 - 21 Chesham Street, London Flat 37, Chalfont House, 19 - 21 Chesham Street, London Flat 4, Chalfont House, 19 - 21 Chesham Street, London Flat 5, Chalfont House, 19 - 21 Chesham Street, London Flat 6, Chalfont House, 19 - 21 Chesham Street, London Flat 9, Chalfont House, 19 - 21 Chesham Street, London | 
| Main property type | Flat | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 51.495951 | |
|---|---|---|
| Longitude | -0.156046 | |
| Easting | 528101 | |
| Northing | 179057 | |
| Grid reference | TQ281790 | |
| UTM reference | 30U 697405 5708814 | |
| what3words | divisions.form.barks | |
| FixPhrase | cringe magnesium surprise tackling | |
| Plus code | 9C3XFRWV+9H | |
| Altitude | 14 metres (47 feet) | |
| Sunrise (today) | 6:53 | |
| Sunset (today) | 16:37 | |
| Distance away | ||
| Distance to sea | 39.5 KMs (24.6 miles) | 
| Parish | Kensington and Chelsea, unparished area | E43000210 | 
|---|---|---|
| Ward | Brompton & Hans Town | E05009389 | 
| London Borough | Kensington and Chelsea | E09000020 | 
| County | Greater London | E11000009 | 
| Constituency (2024) | Kensington and Bayswater | E14001310 | 
| MP | Joe Powell | Labour | 
| Police force | Metropolitan Police | |
| Water company | Thames Water | |
| NUTS/ITL 3 | Kensington & Chelsea and Hammersmith & Fulham | |
| 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) | 38 | |
|---|---|---|
| Households (2011) | 23 | |
| 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) | Kensington and Chelsea | E63012062 | 
| Census output area (2021) | E00014360 | |
| Census output area (2011) | 2D1 | |
| Lower layer super output area (2021) | Kensington and Chelsea 012E | E01002863 | 
| Lower layer super output area (2011) | Kensington and Chelsea 012E | E01002863 | 
| Middle layer super output area (2021) | Hans Town | E02000588 | 
| Middle layer super output area (2011) | Hans Town | E02000588 | 
| Travel to work area | London | E30000234 | 
| Average property price in South West London | £707,741 | 
|---|---|
| Annual change | -8.4% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| Flat 26, Chalfont House, 19 - 21 Chesham Street, London | Flat (leasehold) | Mar 2025 | £2,603,616 | 
| Flat (leasehold) | Jul 2005 | £1,500,000 | |
| Flat (leasehold) | Dec 2000 | £550,000 | |
| Flat 2A, Chalfont House, 19 - 21 Chesham Street, London | Flat (leasehold) | Jun 2023 | £500,000 | 
| Flat 17, Chalfont House, 19 - 21 Chesham Street, London | Flat (leasehold) | Aug 2022 | £3,625,000 | 
| Flat 31, Chalfont House, 37 - 49 Cadogan Lane, London | Other (leasehold) | Jun 2022 | £3,190,000 | 
| Flat (leasehold) | Sep 1996 | £440,000 | |
| Flat 12, Chalfont House, 19 - 21 Chesham Street, London | Flat (leasehold) | Dec 2021 | £1,515,000 | 
| Flat (leasehold) | Nov 1999 | £380,000 | |
| Flat 16, Chalfont House, 19 - 21 Chesham Street, London | Flat (leasehold) | Nov 2021 | £1,050,000 | 
| Flat 30, Chalfont House, 19 - 21 Chesham Street, London | Flat (leasehold) | Mar 2021 | £2,950,000 | 
| Flat (leasehold) | Mar 2021 | £2,950,000 | |
| Flat (leasehold) | Mar 2021 | £2,950,000 | |
| Flat (leasehold) | Feb 2014 | £2,900,000 | |
| Flat (leasehold) | Feb 1999 | £520,000 | |
| Flat (leasehold) | Feb 1999 | £520,000 | |
| Flat (leasehold) | Nov 1995 | £420,000 | |
| Flat 2B, Chalfont House, 19 - 21 Chesham Street, London | Flat (leasehold) | Oct 2017 | £956,291 | 
| Flat 21, Chalfont House, 37 - 49 Cadogan Lane, London | Flat (leasehold) | Apr 2017 | £5,500,000 | 
| Flat (leasehold) | Apr 2017 | £5,500,000 | |
| Flat (leasehold) | Mar 2001 | £850,000 | |
| Flat 36, Chalfont House, 19 - 21 Chesham Street, London | Flat (leasehold) | Sep 2016 | £2,600,000 |