6 Alton Close, Isleworth, TW7 6AL

This site has had 4 applications since 2025: 3 approved, 0 refused.

• P/2026/1209 Granted

  6 Alton Close, Isleworth, TW7 6AL

  Certificate of lawfulness for the proposed erection of a single storey detached outbuilding for use as an office and a front porch extension to the house.

  Decided 26 Jun 2026 Lawful development
• P/2025/2854 Granted

  6 Alton Close, Isleworth, TW7 6AL

  Certificate of Lawfulness for erection of a rear roof extension with a hip to gable conversion, and three front roof windows to the house.

  Decided 21 Oct 2025 Lawful development
• P/2025/0931 Withdrawn

  6 Alton Close, Isleworth, TW7 6AL

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

  Submitted 24 Mar 2025 Lawful development

1. 8 Oct 2025

   Received by Hounslow

2. 2 Dec 2025

   Decision issued: APPROVED

3. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 2 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.

• 6 Alton Close, Isleworth, TW7 6AL

  P/2025/2854 Submitted 23 Sep 2025 50 yards away

  Certificate of Lawfulness for erection of a rear roof extension with a hip to gable conversion, and three front roof windows to the house.

  Granted Lawful development Extension Loft or dormer +1 20 docs

• 6 Alton Close, Isleworth, TW7 6AL

  P/2025/0931 Submitted 24 Mar 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.

  Withdrawn Lawful development Extension Loft or dormer +1 20 docs

• 6 Alton Close, Isleworth, TW7 6AL

  P/2026/1209 Submitted 20 Apr 2026 50 yards away

  Certificate of lawfulness for the proposed erection of a single storey detached outbuilding for use as an office and a front porch extension to the house.

  Granted Lawful development Extension 18 docs
  Small domestic

• 8 Alton Close, Isleworth, TW7 6AL

  P/2024/3818 Submitted 15 Nov 2024 50 yards away

  Certificate of Lawfulness for the proposed erection of a single storey detached outbuilding as an office in rear garden.

  Granted Lawful development 5 docs
  Small domestic

• 20 AMHURST GARDENS, ISLEWORTH, TW7 6AJ

  PA/2019/4025 Submitted 6 Nov 2019 50 yards away

  Ground floor rear extension 6 metres deep, maximum height of 2.9 metres, 2.4 metres high to the eaves

  Granted Prior approval Extension 9 docs

• Land Rear of 26-48 & 34 Amhurst Gardens, Isleworth TW7 6AJ

  P/2026/1136 Submitted 13 Apr 2026 50 yards away

  Details of Conditions 6 (Construction Logistics Plan) submitted pursuant to planning permission P/2025/0430 dated 28/11/2025 for Erection of eight houses with an associated access road, private parking, amenity space, landscaping, cycle and bin stores following the demolition of 34 Amhurst Gardens

  Granted Conditions Demolition 15 docs
  Several homes

• 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