Use this guide to understand W4 1SN in Hounslow. Start with the interactive location and approximate postcode outline, then browse the available facts and local-area indicators. Labels show which figures relate to the exact postcode and which cover a larger geography. Census 2021 records 106 residents and 37 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 | W4 1SN |
| Postcode without spaces | W41SN |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | January 1980 |
| Directory version | 2026-06 |
| Latitude | 51.4941700 |
| Longitude | -0.2485620 |
| British National Grid | 521,682 E, 178,701 N |
| Country | England |
| Region | London |
| Local authority | Hounslow |
| Output Area (2021) | E00012807 |
| LSOA (2021) | E01002575 |
| MSOA (2021) | E02000526 |
| Electoral ward | E05013610 |
| Westminster constituency | E14001264 |
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 | 106 |
| Households | 37 |
| Female residents | 57 |
| Male residents | 49 |
| Residents per household | 2.9 |
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 |
|---|---|---|---|---|
| 22 Apr 2026 | 33, CLEVELAND AVENUE, LONDON | Flat or maisonette | Leasehold | £540,000 |
| 29 Aug 2025 | 15, CLEVELAND AVENUE, LONDON | Terraced | Freehold | £1,528,000 |
| 25 Oct 2024 | 16, CLEVELAND AVENUE, LONDON | Terraced | Freehold | £1,310,000 |
| 24 Aug 2023 | 8, CLEVELAND AVENUE, LONDON | Terraced | Freehold | £1,525,000 |
| 1 Jun 2023 | 23, CLEVELAND AVENUE, LONDON | Terraced | Freehold | £1,500,000 |
| 14 Oct 2022 | 5, CLEVELAND AVENUE, LONDON | Terraced | Freehold | £2,025,000 |
| 24 Jun 2022 | 25, CLEVELAND AVENUE, LONDON | Terraced | Freehold | £1,500,000 |
| 17 Jun 2021 | 29, CLEVELAND AVENUE, LONDON | Flat or maisonette | Leasehold | £561,564 |
| 15 Jun 2021 | 6, CLEVELAND AVENUE, LONDON | Terraced | Freehold | £1,610,000 |
| 23 Apr 2021 | 17, CLEVELAND AVENUE, LONDON | Terraced | Freehold | £1,560,000 |
Open schools and active GP practices in the W4 postcode district, ordered by straight-line distance where coordinates are available.
Other independent school
Cone Ripman House, 14 Bath Road, Chiswick, London, W4 1LY
Ages 11–19 · 265 pupils of 330 capacity
Other independent school
Priory House, Priory Avenue, Chiswick, London, W4 1LB
Ages 3–11 · 331 pupils of 470 capacity
B
1 GLEBE STREET, CHISWICK, LONDON, W4 2BD
B
FISHERS LANE, LONDON, W4 1RX
B
CHISWICK HEALTH CENTRE, FISHERS LANE, LONDON, W4 1RX
B
2A HOLLY ROAD, CHISWICK, LONDON, W4 1NU
B
CHISWICK HEALTH CENTRE, FISHERS LANE, LONDON, W4 1RX
Community school
Duke Road, Chiswick, London, W4 2JR
Ages 3–11 · 153 pupils of 236 capacity
30.1% eligible for free school meals
Voluntary aided school
Duke Road, Chiswick, London, W4 2DF
Ages 3–11 · 195 pupils of 210 capacity
7.4% eligible for free school meals
B
55 SOUTH PARADE, CHISWICK, LONDON, W4 5LH
Community school
Belmont Road, Chiswick, London, W4 5UL
Ages 3–11 · 444 pupils of 472 capacity
8.6% eligible for free school meals
Community school
Southfield Road, Bedford Park, London, W4 1BD
Ages 4–11 · 372 pupils of 480 capacity
14.0% eligible for free school meals
Companies House records whose registered-office address uses this exact postcode.
Private Limited Company
Incorporated 2 December 2024
85510 - Sports and recreation education
Private Limited Company
Incorporated 8 April 2022
10860 - Manufacture of homogenized food preparations and dietetic food
Private Limited Company
Incorporated 15 June 2021
62020 - Information technology consultancy activities
Private Limited Company
Incorporated 28 May 2021
98000 - Residents property management
Private Limited Company
Incorporated 11 June 2020
64303 - Activities of venture and development capital companies
Private Limited Company
Incorporated 19 May 2020
62012 - Business and domestic software development
Private Limited Company
Incorporated 18 November 2019
64910 - Financial leasing
Private Limited Company
Incorporated 24 December 2018
70229 - Management consultancy activities other than financial management
Private Limited Company
Incorporated 7 April 2017
82990 - Other business support service activities n.e.c.
Private Limited Company
Incorporated 6 August 2013
70229 - Management consultancy activities other than financial management
PRI/LTD BY GUAR/NSC (Private, limited by guarantee, no share capital)
Incorporated 7 May 2013
85600 - Educational support services
Private Limited Company
Incorporated 11 February 2013
82990 - Other business support service activities n.e.c.
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Hounslow 001E includes W4 1SN and other nearby postcodes.
| Crime type | Incidents |
|---|---|
| Vehicle crime | 3 |
| Violence and sexual offences | 3 |
| Anti-social behaviour | 1 |
| Bicycle theft | 1 |
| Drugs | 1 |
| Possession of weapons | 1 |
| Public order | 1 |
Answers use the geographic scope stated with each dataset above.
W4 1SN is in Hounslow, England.
The Census 2021 postcode-level dataset records 106 residents at W4 1SN. 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 W4 1SN postcode.
Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full W4 1SN postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.