Planning application
127 Twickenham Road, Isleworth, TW7 6AW
Works: Extension Loft or dormer
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Certificate of Lawfulness for the proposed rear roof extension with hip-to-gable conversion at the house.
As published by the council, reference P/2026/0961
Application record
- Reference
- P/2026/0961
- Type
- Lawful Development Certificate (Proposed)
- Status
- Decided: GRANT
- Decision
- GRANT
- Received
- 24 Mar 2026
- Validated
- 24 Mar 2026
- Decided
- 7 May 2026
- Ward
- Syon & Brentford Lock
- Postcode
- TW7 6AW
Timeline
Dates from the published record
-
24 Mar 2026
Received by Hounslow
-
7 May 2026
Decision issued: GRANT
-
12 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
7 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Trade members open them from here.
Open the documentsWhat this grant of permission means
Hounslow granted permission on 7 May 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About lawful development applications
A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.
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Other lawful development applications
In Hounslow
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P/2026/2033 Granted
3 Benedict Drive, Feltham, TW14 8JH
Certificate of lawfulness for the proposed erection of a rear roof extension with hip to gable conversion with windows to the front and side of the house.
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P/2026/2027 Granted
115 Northumberland Crescent, Feltham, TW14 9SP
Certificate of lawfulness for the proposed erection of a rear roof extension and windows to the front of the house.
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P/2026/2009 Granted
3 Brainton Avenue, Feltham, TW14 0AZ
Certificate of lawfulness for the proposed erection of a rear roof extension and Juliette balcony with front roof windows to the house.
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P/2026/2014 Granted
82 Sussex Avenue, Isleworth, TW7 6LB
Certificate of lawfulness for the proposed erection of a rear roof extension, a porch to the front of the house, and a front roof window.
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P/2026/2473 Awaiting decision
16 Somerset Waye, Hounslow, TW5 9HG
Certificate of lawfulness for the proposed erection of a rear roof extension with two roof windows to the front and alterations to the existing side roof from flat roof to pitched roof.