21 Church Road,Isleworth,TW7 4PR Data via plota.co.uk
Proposal
Erection of a rear roof extension with hip to gable conversion with two front roof windows and a single storey rear extension. Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicts a decision around 28 Dec 2026, from Hounslow's recent extensions.
Documents 5
Statements & assessments 1
Plans & drawings 1
Application forms 1
Site constraints 6
Checked on 5 November 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.
Building
From the energy performance certificate lodged in March 2026, 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 6 of the 56-day target. Hounslow usually decides extensions by day 55.
Plota live figures for extensions decided by Hounslow in the last twelve months, from validation. Hounslow decision record →
Consultation & key dates
- Consultation
- 4 Nov 2026
- Comments by
- 4 Dec 2026
- Site or press notice
- 13 Nov 2026
- Statutory expiry
- 29 Dec 2026
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
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.
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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21 Church Road, Isleworth, TW7 4PR
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Comments are open until 4 Dec 2026