12 Letchworth Avenue, Feltham, TW14 9RY Data via plota.co.uk
Proposal
Ground floor rear extension 6.00 metres deep, maximum height 3.60 metres, 2.66 metres high to the eaves. Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicts a decision around 17 Nov 2026, from Hounslow's recent extensions.
Documents 9
Statements & assessments 2
Plans & drawings 5
Application forms 1
Other documents 1
Site constraints 6
Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
Sales history 2
Last sold for £342,500 in June 2014. Semi-detached house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Building
From the energy performance certificate lodged in April 2014, the latest held for this property. The building may have changed since. View the certificate
Every application in Hounslow - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
Decision outlook
Day 15 of the 56-day target. Hounslow usually decides extensions by day 54.
Plota live figures for extensions decided by Hounslow in the last twelve months, from validation. Hounslow decision record →
Consultation & key dates
- Consultation
- 24 Sept 2026
- Comments by
- 15 Oct 2026
- Statutory expiry
- 5 Nov 2026
Historical activity at this location
28 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
Hounslow is slower than most councils at deciding householder applications, ranking #203 out of 296. 47% of applications have the time limit extended, above the 41% national average. Hounslow is also one of the strictest councils - it refuses more householder applications than almost any other, with only 75% approved vs 90% nationally.
Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
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12 Letchworth Avenue, Feltham, TW14 9RY
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Comments are open until 15 Oct 2026