Explore TW3 1SN 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.
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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 1SN |
| Postcode without spaces | TW31SN |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | January 1980 |
| Directory version | 2026-06 |
| Latitude | 51.4692500 |
| Longitude | -0.3499860 |
| British National Grid | 514,704 E, 175,767 N |
| Country | England |
| Region | London |
| Local authority | Hounslow |
| Output Area (2021) | E00013142 |
| LSOA (2021) | E01002643 |
| MSOA (2021) | E02000540 |
| Electoral ward | E05013621 |
| 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.
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.
Open schools and active GP practices in the TW3 postcode district, ordered by straight-line distance where coordinates are available.
Community school
School Road, Hounslow, TW3 1QZ
Ages 3–11 · 1,077 pupils of 1,154 capacity
18.6% eligible for free school meals
B
3-5 CECIL ROAD, HOUNSLOW, TW3 1NU
Community school
Heath Road, Hounslow, TW3 2NW
Ages 3–11 · 594 pupils of 710 capacity
11.7% eligible for free school meals
Academy sponsor led
Cecil Road, Hounslow, TW3 1AX
Ages 11–18 · 971 pupils of 1,050 capacity
33.6% eligible for free school meals
B
THE BLENHEIM CENTRE, PRINCE REGENT ROAD, HOUNSLOW, TW3 1NL
Community school
Denbigh Road, Hounslow, TW3 4DU
Ages 3–11 · 652 pupils of 720 capacity
11.5% 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
B
77 LAMPTON ROAD, HOUNSLOW, TW3 4JX
Community special school
Gresham Road, Hounslow, TW3 4BX
Ages 4–19 · 296 pupils of 300 capacity
42.0% eligible for free school meals
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Hounslow 015B includes TW3 1SN and other nearby postcodes.
| Crime type | Incidents |
|---|---|
| Violence and sexual offences | 7 |
| Anti-social behaviour | 6 |
| Other theft | 3 |
| Vehicle crime | 2 |
| Possession of weapons | 1 |
| Robbery | 1 |
Answers use the geographic scope stated with each dataset above.
TW3 1SN is in Hounslow, England.
The deprivation figures describe the containing Lower Layer Super Output Area, not only the individual postcode.
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Explore other full postcodes in the same postcode sector.