657 Great West Road, Isleworth, TW7 4PT Data via plota.co.uk
Proposal
Erection of a rear and side roof extension with one front roof window to the house. Erection of a single storey outbuilding to the rear garden. Data via plota.co.uk
Application progress
This application is under consideration - no decision has been issued yet. Plota predicted a decision around 14 Sept 2026; it is now day 123. The consultation period closed on 12 Jun 2026.
Documents 15
Statements & assessments 1
Plans & drawings 10
Application forms 1
Site constraints 5
Checked on 11 September 2026. Historic England, the Environment Agency, Natural England 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.
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 123, past the statutory target. 96% of extensions in Hounslow are decided within thirteen weeks; extensions of time are common, and the council need not decide on the day. Last seen undecided on 13 Sept 2026.
Plota live figures for extensions decided by Hounslow in the last twelve months, from validation. Hounslow decision record →
Consultation & key dates
- Consultation
- 15 May 2026
- Comments by
- 12 Jun 2026
- Site or press notice
- 22 May 2026
- Statutory expiry
- 9 Jul 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.
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657 Great West Road, Isleworth, TW7 4PT
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