Explore TW3 3SY in Hounslow through its map and available local datasets. The outline is an approximate boundary derived from address locations, while the information below distinguishes full-postcode records from statistics covering surrounding official areas. Census 2021 records 100 residents and 25 households at the exact postcode.
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Create a Custom MapCore details from the ONS Postcode Directory. Geography codes identify the official areas containing this postcode.
| Postcode | TW3 3SY |
| Postcode without spaces | TW33SY |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | January 1980 |
| Directory version | 2026-06 |
| Latitude | 51.4608600 |
| Longitude | -0.3731050 |
| British National Grid | 513,119 E, 174,798 N |
| Country | England |
| Region | London |
| Local authority | Hounslow |
| Output Area (2021) | E00013157 |
| LSOA (2021) | E01002651 |
| MSOA (2021) | E02000546 |
| Electoral ward | E05013622 |
| Westminster constituency | E14001124 |
The postcode is assigned to these official political geographies. Names and election results will be added when the ElectionMaps datasets are connected.
These Census figures are matched directly to the full postcode, rather than inferred from a wider neighbourhood.
| Residents | 100 |
| Households | 25 |
| Female residents | 50 |
| Male residents | 50 |
| Residents per household | 4.0 |
A detailed vector map covering a 500 metre radius around the postcode.
Deprivation is published for the postcode's containing Lower Layer Super Output Area, a neighbourhood geography covering more than one postcode.
Land Registry Price Paid Data transactions matched to this exact full postcode.
| Sale date | Address | Property type | Tenure | Price |
|---|---|---|---|---|
| 24 Oct 2025 | 37, WELLINGTON AVENUE, HOUNSLOW | Semi-detached | Freehold | £430,000 |
| 26 Nov 2024 | 53, WELLINGTON AVENUE, HOUNSLOW | Detached | Freehold | £570,000 |
| 29 Aug 2024 | 39, WELLINGTON AVENUE, HOUNSLOW | Semi-detached | Freehold | £525,000 |
Open schools and active GP practices in the TW3 postcode district, ordered by straight-line distance where coordinates are available.
Community school
Cromwell Road, Hounslow, TW3 3QQ
Ages 3–11 · 233 pupils of 236 capacity
18.8% eligible for free school meals
B
92 BATH ROAD, HOUNSLOW, TW3 3LN
B
HOUNSLOW HEALTH CENTRE, 92 BATH ROAD, HOUNSLOW, TW3 3LN
B
HEART OF HOUNSLOW CENTRE FOR HEALTH, 92 BATH ROAD, HOUNSLOW, TW3 3EL
B
HEART OF HOUNSLOW CENTRE FOR HEALTH, 92 BATH ROAD, HOUNSLOW, TW3 3EL
B
HOUNSLOW HEALTH CENTRE, 92 BATH ROAD, HOUNSLOW, TW3 3LN
B
92 BATH ROAD, HOUNSLOW, TW3 3LN
Academy converter
106 Bath Road, Hounslow, TW3 3EJ
Ages 11–18 · 1,214 pupils of 1,213 capacity
12.1% eligible for free school meals
B
MASWELL PARK HEALTH CTR, HOUNSLOW AVENUE, HOUNSLOW, TW3 2DY
B
HOUNSLOW AVENUE, HOUNSLOW, TW3 2DY
B
HOUNSLOW AVENUE, HOUNSLOW, TW3 2DY
B
HOUNSLOW AVENUE, HOUNSLOW, TW3 2DY
Companies House records whose registered-office address uses this exact postcode.
Private Limited Company
Incorporated 13 August 2025
43110 - Demolition
Private Limited Company
Incorporated 10 July 2025
49410 - Freight transport by road
Private Limited Company
Incorporated 11 June 2025
41202 - Construction of domestic buildings
Private Limited Company
Incorporated 24 January 2025
47540 - Retail sale of electrical household appliances in specialised stores
Private Limited Company
Incorporated 5 June 2023
68100 - Buying and selling of own real estate
Private Limited Company
Incorporated 24 October 2019
47910 - Retail sale via mail order houses or via Internet
Private Limited Company
Incorporated 20 July 2015
62020 - Information technology consultancy activities
Private Limited Company
Incorporated 2 June 2015
56103 - Take-away food shops and mobile food stands
Private Limited Company
Incorporated 5 March 2025
46310 - Wholesale of fruit and vegetables
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Hounslow 021C includes TW3 3SY and other nearby postcodes.
| Crime type | Incidents |
|---|---|
| Anti-social behaviour | 5 |
| Violence and sexual offences | 5 |
| Theft from the person | 1 |
Answers use the geographic scope stated with each dataset above.
TW3 3SY is in Hounslow, England.
The Census 2021 postcode-level dataset records 100 residents at TW3 3SY. This is an exact postcode count.
The deprivation figures describe the containing Lower Layer Super Output Area, not only the individual postcode.
Yes. The sold-price records shown on this page are Land Registry transactions matched to the full TW3 3SY postcode.
Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full TW3 3SY postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.