8 Castle Road, Isleworth, TW7 6QS

1. 23 Jul 2024

   Received by Hounslow

2. 16 Aug 2024

   Validated

   Checked as complete and ready for consideration.

3. 10 Oct 2024

   Decision issued: REFUSED

4. 23 Sep 2026

   Added to PlanIndex

Hounslow refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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.

• 18 Castle Road, Isleworth, TW7 6QS

  P/2025/2613 Submitted 27 Aug 2025 50 yards away

  Certificate of Lawfulness for erection of a rear roof extension and two front roof windows to the house.

  Granted Lawful development Extension Windows or glazing 16 docs

• 23 GRAINGER ROAD, ISLEWORTH, TW7 6PQ

  P/2021/3246 Submitted 10 Aug 2021 50 yards away

  Certificate of Lawfulness for the proposed erection of a single storey side / rear infill extension and a rear roof extension incorporating a Juliet balcony and two front roof windows to the house

  Refused Lawful development Extension Windows or glazing 11 docs
  Small domestic

• 23 GRAINGER ROAD, ISLEWORTH, TW7 6PQ

  P/2021/3718 Submitted 15 Sep 2021 50 yards away

  Certificate of Lawfulness for the proposed erection of a rear roof extension incorporating a Juliet balcony and two front roof windows, removal of the existing front and rear pebbledash render and restore brick to the house

  Granted Lawful development Extension Windows or glazing 11 docs

• 15-17 GRAINGER ROAD, ISLEWORTH, TW7 6PQ

  P/2021/0834 Submitted 3 Mar 2021 50 yards away

  Erection of a single storey rear infill extension to both houses

  Granted Householder Extension 15 docs
  Small domestic

• 29 GRAINGER ROAD, ISLEWORTH, TW7 6PQ

  P/2021/2762 Submitted 7 Jul 2021 50 yards away

  Erection of a rear outrigger roof extension to the house

  Withdrawn Householder Extension 5 docs
  Domestic

• 29 GRAINGER ROAD, ISLEWORTH, TW7 6PQ

  P/2021/3406 Submitted 20 Aug 2021 50 yards away

  Certificate of Lawfulness for the erection of an outrigger roof extension incorporating a second front roof window to the house

  Granted Lawful development Extension Windows or glazing 9 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