59 Arnold Crescent, Isleworth, TW7 7NS

1. 20 Nov 2025

   Received by Hounslow

2. 1 Dec 2025

   Validated

   Checked as complete and ready for consideration.

3. 23 Feb 2026

   Decision issued: APPROVED

4. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 23 February 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.

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.

• 57 ARNOLD CRESCENT, ISLEWORTH, TW7 7NS

  P/2021/2292 Submitted 8 Jun 2021 50 yards away

  Erection of a single storey front extension incorporating conversion of existing garage into habitable room.

  Refused Householder Extension 6 docs
  Small domestic

• 248 WHITTON DENE, ISLEWORTH, TW7 7LU

  P/2021/2868 Submitted 14 Jul 2021 50 yards away

  Erection of a rear roof and a side roof extension.

  Refused Householder Extension 5 docs
  Domestic

• 45 Arnold Crescent, Isleworth, TW7 7NS

  P/2024/2821 Submitted 22 Aug 2024 50 yards away

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

  Refused Householder Extension 9 docs
  Small domestic

• 72 Arnold Crescent, Isleworth, TW7 7NU

  P/2025/3702 Submitted 12 Dec 2025 50 yards away

  Certificate of lawfulness for the proposed erection of a rear roof extension with hip to gable conversion and front roof windows to the house and removal of chimney.

  Granted Lawful development Extension Loft or dormer +1 9 docs

• 72 Arnold Crescent, Isleworth, TW7 7NU

  P/2026/0530 Submitted 13 Feb 2026 50 yards away

  Erection of a single storey side extension, single storey rear extension, front porch extension and rear roof extension with hip to gable conversion and three front roof windows following the demolition of the existing garage and conservatory.

  Refused Householder Extension Loft or dormer +2 12 docs
  Small domestic

• 43 Arnold Crescent, Isleworth, TW7 7NS

  P/2026/1123 Submitted 10 Apr 2026 100 yards away

  Certificate of lawfulness for a proposed hip to gable roof conversion with front and rear roof windows to the house.

  Granted Lawful development Loft or dormer Windows or glazing 7 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