294 Twickenham Road, Isleworth, TW7 7DU

1. 28 Feb 2025

   Received by Hounslow

2. 26 Jul 2026

   Added to PlanIndex

The applicant withdrew this application before Hounslow decided it, and is free to submit a revised scheme at any time. More in our guide to what happens after a planning decision.

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.

• 7 DAWES AVENUE, ISLEWORTH, TW7 7JU

  P/2021/2897 Submitted 15 Jul 2021 50 yards away

  Erection of a single storey outbuilding with storage area and communal space.

  Granted Householder 6 docs
  Small domestic

• 7 DAWES AVENUE, ISLEWORTH, TW7 7JU

  P/2021/2747 Submitted 6 Jul 2021 50 yards away

  Certificate of Lawfulness for the erection of a rear roof extension incorporating hip to gable conversion, with four front roof windows to the house

  Granted Lawful development Extension Loft or dormer +1 5 docs

• 4 Dawes Avenue, Isleworth, TW7 7JT

  PA/2025/3597 Submitted 2 Dec 2025 50 yards away

  Ground floor rear extension 6.00 metres deep, maximum height 3.28 metres, 2.77 metres high to the eaves.

  Granted Prior approval Extension 6 docs

• 4 Dawes Avenue, Isleworth, TW7 7JT

  P/2026/2374 Submitted 17 Aug 2026 50 yards away

  Non material amendment to change the flat roof to a pitched roof of planning permission P/2026/1102 approved 29/07/2026 for the erection of a single storey rear extension to the house.

  Refused Amendments Extension 10 docs
  Small domestic

• 4 Dawes Avenue, Isleworth, TW7 7JT

  P/2026/1102 Submitted 7 Apr 2026 50 yards away

  Erection of a single storey rear extension to the house.

  Granted Householder Extension 46 docs
  Small domestic

• 6 Woodstock Avenue, Isleworth, TW7 7JF

  P/2026/0848 Submitted 13 Mar 2026 50 yards away

  Retrospective planning permission for the conversion of the existing single family house to two residential houses with associated private amenity space, refuse storage and cycle storage.

  Refused Full applications 14 docs

• P/2026/1827 Granted

  31 Staveley Gardens,Chiswick,W4 2SA

  Erection of a single storey front porch extension, two storey side extension and single storey rear extension to the house.

  Received 19 Jun, published by the council 26 Jul 2026 Householder
• P/2026/1567 Granted

  15 Devonshire Gardens, Chiswick, London, W4 3TN

  Demolition of the existing single storey detached unenclosed gazebo outbuilding in the south western area of the house's rear garden and erection of a single storey detached outbuilding with a front lean-to in the south western area of the house's rear garden.

  Received 26 May, published by the council 26 Jul 2026 Householder
• P/2026/2655 Awaiting decision

  39 Old Cote Drive, Hounslow, TW5 0RW

  Erection of a single storey detached outbuilding.

  Received 17 Sep, published by the council 20 Sep 2026 Householder
• P/2026/2643 Awaiting decision

  103 Syon Park Gardens, Isleworth, TW7 5NF

  Erection of two side roof extensions.

  Received 16 Sep, published by the council 20 Sep 2026 Householder
• P/2026/2642 Awaiting decision

  103 Syon Park Gardens, Isleworth, TW7 5NF

  Erection of a single storey side extension.

  Received 16 Sep, published by the council 20 Sep 2026 Householder