| Postcode | W4 3LN | 
|---|---|
| Post Town | London | 
| Nearest station | Gunnersbury (1 km) | 
| Bus stops | Gunnersbury Station (E) Oxford Road North  Oxford Court (E) Lawford Road (N) Lawford Road (S) Oxford Road North  Oxford Court (N) Chesterfield Road (W4) (S) | 
| London travel zone | 3 | 
| Roads in this postcode | |
| Number of UPRNs | 38 View | 
| Known addresses | First Floor Flat, 28 St Marys Grove, London Top Floor Flat, 28 St Marys Grove, London 22 St Marys Grove, London 24 St Marys Grove, London 26 St Marys Grove, London 27 St Marys Grove, London 29 St Marys Grove, London 31 St Marys Grove, London 32 St Marys Grove, London 33A St Marys Grove, London 33C St Marys Grove, London 34 St Marys Grove, London 35 St Marys Grove, London 35A St Marys Grove, London 36 St Marys Grove, London 39 St Marys Grove, London 40 St Marys Grove, London 42 St Marys Grove, London 43 St Marys Grove, London 44 St Marys Grove, London 47 St Marys Grove, London | 
| Main property type | Detached | 
| Businesses | 
| Latitude | 51.486226 | |
|---|---|---|
| Longitude | -0.274562 | |
| Easting | 519900 | |
| Northing | 177775 | |
| Grid reference | TQ198777 | |
| UTM reference | 30U 689221 5707419 | |
| what3words | darker.knee.poker | |
| FixPhrase | cringe magma stylist trickily | |
| Plus code | 9C3XFPPG+F5 | |
| Altitude | 10 metres (32 feet) | |
| Sunrise (today) | 6:53 | |
| Sunset (today) | 16:37 | |
| Distance away | ||
| Distance to sea | 47.6 KMs (29.6 miles) | 
| Parish | Hounslow, unparished area | E43000208 | 
|---|---|---|
| Ward | Chiswick Riverside | E05013611 | 
| London Borough | Hounslow | E09000018 | 
| County | Greater London | E11000009 | 
| Constituency (2024) | Hammersmith and Chiswick | E14001264 | 
| MP | Andy Slaughter | Labour | 
| Police force | Metropolitan Police | |
| Water company | Thames Water | |
| NUTS/ITL 3 | Hounslow and Richmond upon Thames | |
| NUTS/ITL 2 | Outer London - West and North 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) | 99 | |
|---|---|---|
| Households (2011) | 34 | |
| 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) | Hounslow | E63012107 | 
| Census output area (2021) | E00012841 | |
| Census output area (2011) | 5B1 | |
| Lower layer super output area (2021) | Hounslow 008A | E01002576 | 
| Lower layer super output area (2011) | Hounslow 008A | E01002576 | 
| Middle layer super output area (2021) | Chiswick South West | E02000533 | 
| Middle layer super output area (2011) | Chiswick South West | E02000533 | 
| Travel to work area | London | E30000234 | 
| Average property price in West London | £788,410 | 
|---|---|
| Annual change | -7.8% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 40 St Marys Grove, London | Detached (freehold) | Aug 2023 | £3,350,000 | 
| Detached (freehold) | Jul 2022 | £3,250,000 | |
| Detached (freehold) | Mar 2010 | £1,345,000 | |
| 26 St Marys Grove, London | Flat (freehold) | Jul 2022 | £1,555,000 | 
| First Floor Flat, 28 St Marys Grove, London | Flat (leasehold) | Sep 2020 | £570,000 | 
| Flat (leasehold) | Apr 2019 | £416,250 | |
| 33C St Marys Grove, London | Flat (leasehold) | May 2020 | £590,000 | 
| Flat (leasehold) | Jan 2016 | £550,000 | |
| Top Floor Flat, 28 St Marys Grove, London | Flat (leasehold) | Apr 2019 | £266,250 | 
| 39 St Marys Grove, London | Detached (freehold) | Mar 2016 | £2,200,000 | 
| Detached (freehold) | Sep 2005 | £950,000 | |
| Detached (freehold) | Apr 1996 | £390,000 | |
| 31 St Marys Grove, London | Detached (freehold) | Feb 2016 | £2,100,000 | 
| Detached (freehold) | Mar 2006 | £950,000 | |
| 32 St Marys Grove, London | Detached (freehold) | Nov 2015 | £1,875,000 | 
| 47 St Marys Grove, London | Semi-detached (freehold) | Jan 2014 | £1,640,000 | 
| Semi-detached (freehold) | Jun 1999 | £370,000 | |
| 33A St Marys Grove, London | Flat (leasehold) | Nov 2013 | £890,000 |