| Postcode | TW3 1ES | 
|---|---|
| Post Town | Hounslow | 
| Nearest station | Hounslow Central (0 km) | 
| Bus stops | Treaty Centre (NE) Douglas Road (TW3) (W) Grove Road (TW3) (S) Grove Road (TW3) (N) Treaty Centre (W) Hounslow Blenheim Centre (W) | 
| London travel zone | 4 | 
| Roads in this postcode | |
| Number of UPRNs | 93 View | 
| Known addresses | Unit 39, The Treaty Centre, High Street, Hounslow 21 Treaty Centre, High Street, Hounslow | 
| Main property type | Other | 
| Businesses | 
| Latitude | 51.468133 | |
|---|---|---|
| Longitude | -0.363028 | |
| Easting | 513802 | |
| Northing | 175622 | |
| Grid reference | TQ138756 | |
| UTM reference | 30U 683152 5705183 | |
| what3words | dent.staple.accent | |
| FixPhrase | cringe magician starboard tiling | |
| Plus code | 9C3XFJ9P+7Q | |
| Altitude | 28 metres (92 feet) | |
| Sunrise (today) | 6:54 | |
| Sunset (today) | 16:38 | |
| Distance away | ||
| Distance to sea | 53.6 KMs (33.3 miles) | 
| Parish | Hounslow, unparished area | E43000208 | 
|---|---|---|
| Ward | Hounslow Central | E05013620 | 
| London Borough | Hounslow | E09000018 | 
| County | Greater London | E11000009 | 
| Constituency (2024) | Brentford and Isleworth | E14001124 | 
| MP | Ruth Cadbury | 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 | February 1990 | 
|---|---|
| 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) | 12 | |
|---|---|---|
| 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) | Hounslow | E63012107 | 
| Census output area (2021) | E00013138 | |
| Census output area (2011) | 2B2 | |
| Lower layer super output area (2021) | Hounslow 018F | E01033083 | 
| Lower layer super output area (2011) | Hounslow 018F | E01033083 | 
| Middle layer super output area (2021) | Hounslow High Street | E02000543 | 
| Middle layer super output area (2011) | Hounslow High Street | E02000543 | 
| Travel to work area | Slough and Heathrow | E30000266 | 
| Average property price in Twickenham | £528,967 | 
|---|---|
| Annual change | -0.1% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| Unit 39, The Treaty Centre, High Street, Hounslow | Other (leasehold) | Oct 2017 | £30,000 | 
| 21 Treaty Centre, High Street, Hounslow | New build other (freehold) | Mar 2015 | £1,040,000 |