Explore TW3 1BY 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 34 residents and 19 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 1BY |
| Postcode without spaces | TW31BY |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | September 2020 |
| Directory version | 2026-06 |
| Latitude | 51.4703600 |
| Longitude | -0.3527390 |
| British National Grid | 514,510 E, 175,886 N |
| Country | England |
| Region | London |
| Local authority | Hounslow |
| Output Area (2021) | E00179105 |
| LSOA (2021) | E01034037 |
| 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.
These Census figures are matched directly to the full postcode, rather than inferred from a wider neighbourhood.
| Residents | 34 |
| Households | 19 |
| Female residents | 19 |
| Male residents | 15 |
| Residents per household | 1.8 |
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 |
|---|---|---|---|---|
| 20 Oct 2025 | FLAT 14, MILLAIS COURT, 5, SELBOURNE AVENUE, HOUNSLOW | Flat or maisonette | Leasehold | £410,000 |
| 1 Oct 2025 | FLAT 12, MILLAIS COURT, 5, SELBOURNE AVENUE, HOUNSLOW | Flat or maisonette | Leasehold | £283,000 |
| 16 Apr 2021 | FLAT 8, MILLAIS COURT, 5, SELBOURNE AVENUE, HOUNSLOW | Flat or maisonette · New build | Leasehold | £320,000 |
| 20 Jan 2021 | FLAT 18, MILLAIS COURT, 5, SELBOURNE AVENUE, HOUNSLOW | Flat or maisonette · New build | Leasehold | £435,000 |
| 19 Oct 2020 | FLAT 6, MILLAIS COURT, 5, SELBOURNE AVENUE, HOUNSLOW | Flat or maisonette · New build | Leasehold | £415,000 |
| 7 Oct 2020 | FLAT 14, MILLAIS COURT, 5, SELBOURNE AVENUE, HOUNSLOW | Flat or maisonette · New build | Leasehold | £430,000 |
| 6 Oct 2020 | FLAT 20, MILLAIS COURT, 5, SELBOURNE AVENUE, HOUNSLOW | Flat or maisonette · New build | Leasehold | £335,000 |
| 30 Sep 2020 | FLAT 19, MILLAIS COURT, 5, SELBOURNE AVENUE, HOUNSLOW | Flat or maisonette · New build | Leasehold | £330,000 |
| 28 Sep 2020 | FLAT 7, MILLAIS COURT, 5, SELBOURNE AVENUE, HOUNSLOW | Flat or maisonette · New build | Leasehold | £315,000 |
| 25 Sep 2020 | FLAT 17, MILLAIS COURT, 5, SELBOURNE AVENUE, HOUNSLOW | Flat or maisonette · New build | Leasehold | £435,000 |
| 25 Sep 2020 | FLAT 16, MILLAIS COURT, 5, SELBOURNE AVENUE, HOUNSLOW | Flat or maisonette · New build | Leasehold | £330,000 |
| 25 Sep 2020 | FLAT 21, MILLAIS COURT, 5, SELBOURNE AVENUE, HOUNSLOW | Flat or maisonette · New build | Leasehold | £435,000 |
Open schools and active GP practices in the TW3 postcode district, ordered by straight-line distance where coordinates are available.
B
3-5 CECIL ROAD, HOUNSLOW, TW3 1NU
Community school
School Road, Hounslow, TW3 1QZ
Ages 3–11 · 1,077 pupils of 1,154 capacity
18.6% 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
Community school
Heath Road, Hounslow, TW3 2NW
Ages 3–11 · 594 pupils of 710 capacity
11.7% eligible for free school meals
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
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 24 June 2025
68100 - Buying and selling of own real estate
Private Limited Company
Incorporated 28 May 2025
99999 - Dormant Company
Private Limited Company
Incorporated 10 May 2023
69201 - Accounting and auditing activities
Private Limited Company
Incorporated 3 May 2023
56102 - Unlicensed restaurants and cafes
Private Limited Company
Incorporated 10 January 2022
70229 - Management consultancy activities other than financial management
Private Limited Company
Incorporated 9 August 2021
73110 - Advertising agencies
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Hounslow 015G includes TW3 1BY and other nearby postcodes.
| Crime type | Incidents |
|---|---|
| Anti-social behaviour | 4 |
| Violence and sexual offences | 4 |
| Drugs | 2 |
| Possession of weapons | 1 |
| Public order | 1 |
| Vehicle crime | 1 |
Answers use the geographic scope stated with each dataset above.
TW3 1BY is in Hounslow, England.
The Census 2021 postcode-level dataset records 34 residents at TW3 1BY. 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 1BY postcode.
Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full TW3 1BY postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.