109 ROXBOROUGH AVENUE, ISLEWORTH, TW7 5HH

1. 9 Jul 2021

   Received by Hounslow

2. 18 Aug 2021

   Decision issued: APPROVED

3. 26 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 18 August 2021, 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.

• 115 Roxborough Avenue, Isleworth, TW7 5HH

  P/2026/1372 Submitted 6 May 2026 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.

  Granted Lawful development Extension Loft or dormer +1 8 docs

• 115 Roxborough Avenue, Isleworth, TW7 5HH

  P/2026/2474 Submitted 1 Sep 2026 50 yards away

  75% historically approved · decision due ~29 Oct

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

  Awaiting decision Householder Extension 7 docs
  Small domestic

• 84 ROXBOROUGH AVENUE, ISLEWORTH, TW7 5HJ

  P/2023/1200 Submitted 17 Apr 2023 50 yards away

  Certificate of Lawfulness for the conversion of garage to habitable room; replacement of existing garage door with a single window and associated alterations to the house

  Granted Lawful development Windows or glazing 10 docs

• 74 ROXBOROUGH AVENUE, ISLEWORTH, TW7 5HJ

  P/2021/3310 Submitted 16 Aug 2021 100 yards away

  Certificate of Lawfulness for the proposed erection of a rear roof extension incorporating hip to gable conversion, two front roof windows, one second floor side window and conversion of existing garage into habitable room with removal of front shutter and replace with windows to the house.

  Granted Lawful development Extension Loft or dormer +1 5 docs

• 109 Wood Lane, Isleworth, TW7 5EG

  P/2026/2566 Submitted 9 Sep 2026 100 yards away

  100% historically approved · decision due ~6 Nov

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

  Awaiting decision Lawful development Extension Loft or dormer +1 4 docs

• 107 WOOD LANE, ISLEWORTH, TW7 5EG

  P/2022/3278 Submitted 17 Oct 2022 100 yards away

  Erection of part single part two storey side with single storey rear extension and the erection of a front porch extension to the house

  Granted Householder Extension 14 docs
  Small domestic

• 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