Planning application
P/2025/3713
3 Witham Road, Isleworth, TW7 4AJ
Proposal
Erection of a single storey side and rear extension to the house.
As published by the council, reference P/2025/3713
Timeline
Dates from the published record
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15 Dec 2025
Received by Hounslow
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5 Jan 2026
Validated
Checked as complete and ready for consideration.
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26 Jul 2026
Added to PlanIndex
What withdrawal means
The process from here
The applicant withdrew this application before the council decided it, so it carries no planning weight and no fee refund is automatic. Withdrawal often follows officer feedback that a refusal was likely.
The applicant is free to submit a revised application at any time, and many withdrawn schemes return in amended form, so the site is worth watching if the proposal affected you.
About householder applications
How this application type works
Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.
Nearby applications
Within 500 metres
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P/2021/2975 Granted
80 THORNBURY ROAD, ISLEWORTH, TW7 4LN
Works to Sycamore tree in the rear garden: Crown reduction by one-third to previous reduction points
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P/2021/1519 Granted
82 THORNBURY ROAD, ISLEWORTH, TW7 4LN
Erection of a single storey rear infill extension to the house and one chimney to be reinstated (amended plans and description)
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P/2026/1770 Awaiting decision
191 Spring Grove Road, Isleworth, TW7 4AL
Erection of single storey detached outbuilding for use as a games room, home gym, sauna and toilet in the rear garden.
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P/2026/1607 Granted
23 Thornbury Road, Isleworth, TW7 4LQ
Works to trees in a conservation area: Front garden. G1. Olive Group. Reduce height by up to 3 metres and reshape. Rear garden. T2. Lawson Cypress. Fell to ground level. T3. Purple Leafed Plum. Reduce crown back to most recent previous reduction and reshape. G4. Cherry. Laurel Reduce height by up to 2 metres and reshape. T5. Hazel. Reduce crown by up to 3 metres.
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P/2026/1495 Awaiting decision
4 Eversley Crescent, Isleworth, TW7 4LS
Erection of a single-storey rear infill conservatory extension.
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P/2026/2186 Awaiting decision
51 Thornbury Road, Isleworth, TW7 4LE
Details of Drainage Assessment Form submitted pursuant to conditions 14 of permission P/2025/0901 dated 13/02/26 for erection of one building to provide seven flats with landscaping, cycle parking, waste and recycling facilities following demolition of the existing house and garage.
Other householder applications
In Hounslow
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P/2026/2228 Awaiting decision
Magnolias,1 Eastbourne Road,Chiswick,W4 3EB
Erection of a front porch, single storey rear infill extension, first floor rear extension, rear roof extension and a single storey detached outbuilding.
-
P/2026/2222 Awaiting decision
17 Park Drive,Acton,W3 8ND
Replacement of porch window with double glazed windows and rear window to be replaced with double glazed windows.
-
P/2026/2208 Awaiting decision
20, Adelaide Terrace Great West Road, Brentford, TW8 9PQ
Erection of a single storey rear and side extension.
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P/2026/2215 Awaiting decision
1 The Drive, Feltham, TW14 0AQ
Erection of a single storey detached outbuilding.
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P/2026/2206 Awaiting decision
28 Eversley Crescent, Isleworth, TW7 4LS
Erection of a side roof extension with roof windows and a Juliet balcony to the rear of the property.