| Postcode | SW3 4QA | 
|---|---|
| Post Town | London | 
| Nearest station | Sloane Square (0 km) | 
| Bus stops | Duke of York Square (E) Walpole Street (W) Cadogan Gardens Sloane Square (E) Draycott Place (W) National Army Museum (NE) Royal Hospital Chelsea  Lower Sloane St (E) | 
| London travel zone | 1 | 
| Roads in this postcode | |
| Number of UPRNs | 10 View | 
| Known addresses | 1 St Leonards Terrace, London 1A St Leonards Terrace, London 3 St Leonards Terrace, London 4 St Leonards Terrace, London 5 St Leonards Terrace, London | 
| Main property type | Terraced | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 51.489601 | |
|---|---|---|
| Longitude | -0.159975 | |
| Easting | 527846 | |
| Northing | 178344 | |
| Grid reference | TQ278783 | |
| UTM reference | 30U 697160 5708097 | |
| what3words | tilt.orders.model | |
| FixPhrase | cringe magnesium subsoil unmoving | |
| Plus code | 9C3XFRQR+R2 | |
| Altitude | 12 metres (39 feet) | |
| Sunrise (today) | 6:53 | |
| Sunset (today) | 16:37 | |
| Distance away | ||
| Distance to sea | 39.7 KMs (24.7 miles) | 
| Parish | Kensington and Chelsea, unparished area | E43000210 | 
|---|---|---|
| Ward | Royal Hospital | E05009403 | 
| London Borough | Kensington and Chelsea | E09000020 | 
| County | Greater London | E11000009 | 
| Constituency (2024) | Chelsea and Fulham | E14001160 | 
| MP | Ben Coleman | 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) | 16 | |
|---|---|---|
| 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) | Kensington and Chelsea | E63012062 | 
| Census output area (2021) | E00014590 | |
| Census output area (2011) | 2D2 | |
| Lower layer super output area (2021) | Kensington and Chelsea 018E | E01002903 | 
| Lower layer super output area (2011) | Kensington and Chelsea 018E | E01002903 | 
| Middle layer super output area (2021) | Chelsea Manor & Royal Hospital | E02000594 | 
| Middle layer super output area (2011) | Chelsea Manor & Royal Hospital | E02000594 | 
| Travel to work area | London | E30000234 | 
| Average property price in South West London | £707,741 | 
|---|---|
| Annual change | -8.4% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 1 St Leonards Terrace, London | Terraced (freehold) | Apr 2023 | £10,250,000 | 
| 5 St Leonards Terrace, London | Terraced (freehold) | Feb 2023 | £6,372,200 | 
| 4 St Leonards Terrace, London | Terraced (freehold) | Apr 2022 | £7,950,000 | 
| Terraced (freehold) | Mar 2001 | £2,500,000 | |
| 1A St Leonards Terrace, London | Terraced (freehold) | Nov 1999 | £1,675,000 | 
| 3 St Leonards Terrace, London | Terraced (freehold) | Sep 1999 | £2,020,000 |