17 Steele Road, Isleworth, TW7 7HL

1. 12 Sep 2025

   Received by Hounslow

2. 10 Dec 2025

   Decision issued: APPROVED

3. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 10 December 2025, 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.

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 Steele Road, Isleworth, TW7 7HL

  P/2026/2409 Submitted 21 Aug 2026 50 yards away

  75% historically approved · decision due ~16 Oct

  Erection of a first floor rear extension and a rear roof extension.

  Awaiting decision Householder Extension 7 docs
  Domestic

• 7 Steele Road, Isleworth, TW7 7HL

  P/2026/2359 Submitted 14 Aug 2026 50 yards away

  75% historically approved · decision due ~9 Oct

  Erection of a rear roof extension.

  Awaiting decision Householder Extension 7 docs
  Domestic

• 70 Worple Road, Isleworth, TW7 7HU

  P/2026/0671 Submitted 26 Feb 2026 50 yards away

  Erection of a rear roof extension, including extension over the existing rear outrigger, and two front roof windows.

  Granted Householder Extension Windows or glazing 8 docs
  Domestic

• 84 Worple Road, Isleworth, TW7 7HU

  P/2026/0081 Submitted 12 Jan 2026 50 yards away

  Erection of a single storey detached outbuilding in the rear garden for use as a hobby room

  Granted Householder 6 docs
  Small domestic

• 36 Steele Road, Isleworth, TW7 7HN

  P/2026/2330 Submitted 12 Aug 2026 50 yards away

  75% historically approved · decision due ~7 Oct

  Erection of a single storey side infill and rear extension to the house.

  Awaiting decision Householder Extension 7 docs
  Small domestic

• 39 Steele Road, Isleworth, TW7 7HL

  P/2024/3272 Submitted 30 Sep 2024 50 yards away

  Certificate of Lawfulness for the proposed erection of a rear roof extension incorporating an outrigger extension with two front roof windows

  Granted Lawful development Extension Windows or glazing 5 docs

• P/2026/2304 Granted

  18 Clifden Road, Brentford, TW8 0PF

  Erection of a side and rear extensions.

  Received 7 Aug, published by the council 12 Aug 2026 Householder
• P/2026/2804 Awaiting decision

  128 Durham Road, Feltham, TW14 0AE

  Erection of a detached outbuilding in the rear garden following demolition of existing shed.

  Received 2 Oct, published by the council 9 Oct 2026 Householder
• P/2026/2301 Granted

  4 Glebe Street, Chiswick, W4 2BG

  Erection of a front side and rear side infill extensions with alterations to the rear elevation, a rear side first floor infill extension with replacement of windows to the rear elevation and installation of new rooflights to the existing ground floor infill extension of the house

  Received 7 Aug, published by the council 16 Aug 2026 Householder
• P/2026/1167 Granted

  20 Firs Drive, Hounslow, TW5 9TD

  Erection of part one, part two-storey side extension following demolition of existing garage and part one, part two-storey rear extension. Raising of roof ridge, erection of rear roof extensions, and installation of one front roof window.

  Received 15 Apr, published by the council 26 Jul 2026 Householder
• P/2026/2025 Granted

  1 Kneller Gardens, Isleworth, TW7 7NP

  Erection of a single storey rear and first floor side extension incorporating the conversion of the existing garage to a habitable room

  Received 8 Jul, published by the council 26 Jul 2026 Householder