Planning application
21 Grosvenor Road, Brentford, London TW8 0NW
Works: Extension Windows or glazing Domestic
Read from the description, not a valuation. How we read the register
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Erection of a rear roof extension with two front roof windows to the house
As published by the council, reference P/2026/0690
Application record
- Reference
- P/2026/0690
- Type
- Householder Applications
- Status
- Decided: APPROVED
- Decision
- APPROVED
- Received
- 2 Mar 2026
- Validated
- 2 Mar 2026
- Decided
- 20 Apr 2026
- Ward
- Brentford West
- Postcode
- TW8 0NW
Timeline
Dates from the published record
-
2 Mar 2026
Received by Hounslow
-
20 Apr 2026
Decision issued: APPROVED
-
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 20 April 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 householder applications
Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.
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Non Material Amendment to add an extra rooflight and bring extension in 10cm from boundary following permission P/2025/1391 dated 18/09/2025 for Erection of a single storey rear wrap around extension to the house and a heat pump in the rear garden
Refused Amendments Extension Loft or dormer 3 docsSmall domestic -
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Works to tree within a conservation area. False Acacia (T1). Crown reduce by up to 5 metres, removing new growth only, and to shape and contain. Final height 7.5 metres and final spread 4 metres.
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Works to tree within a conservation area. False Acacia (T1). Crown reduce by up to 5 metres, removing new growth only, and to shape and contain. Final height 7.5 metres and final spread 4 metres.
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Other householder applications
In Hounslow
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P/2026/2047 Granted
9 Borough Road, Isleworth, TW7 5DY
Erection of a single storey rear extension.
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P/2026/1858 Granted
8 CONNAUGHT AVENUE, HOUNSLOW, TW4 5BW
Erection of single storey front extension to the outbuilding for used as storage, office and a Gym. Following part demolition of the outbuilding.
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P/2026/2503 Awaiting decision
25 Arnold Crescent, Isleworth, TW7 7NS
Erection of a single storey rear, two storey side extension, and rear roof extension with two front roof windows to the house.
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P/2026/1522 Granted
4 Camborne Way, Hounslow, TW5 0PW
Erection of a single storey rear extension and reduction in width of the existing side and rear extension.
-
P/2026/2024 Granted
20 Hartland Road, Isleworth, TW7 6RH
Erection of a rear roof extension with windows to the front of the house.