82 Sussex Avenue, Isleworth, TW7 6LB

This site has had 2 applications since 2026: 1 approved, 0 refused.

• P/2026/2014 Granted

  82 Sussex Avenue, Isleworth, TW7 6LB

  Certificate of lawfulness for the proposed erection of a rear roof extension, a porch to the front of the house, and a front roof window.

  Decided 1 Sep 2026 Lawful development

1. 24 Sep 2026

   Received by Hounslow

2. 27 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 19 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Hounslow took a median of 56 days over the applications it decided in the last year.

This application is with Hounslow for determination, against a statutory target of eight weeks. Over the last year Hounslow decided householder applications in a median of 63 days. More in our guide to how long planning decisions take.

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.

• 82 Sussex Avenue, Isleworth, TW7 6LB

  P/2026/2014 Submitted 7 Jul 2026 50 yards away

  Certificate of lawfulness for the proposed erection of a rear roof extension, a porch to the front of the house, and a front roof window.

  Granted Lawful development Extension Windows or glazing 13 docs
  Small domestic

• 26 ESSEX AVENUE, ISLEWORTH, TW7 6LF

  PA/2023/1143 Submitted 11 Apr 2023 100 yards away

  Ground floor rear extension 4.00 meters deep, maximum height of 3.30 metres, 3.00 metres high to the eaves

  Refused Prior approval Extension 9 docs

• 22 ESSEX AVENUE, ISLEWORTH, TW7 6LF

  P/2022/4101 Submitted 23 Dec 2022 100 yards away

  Erection of a single storey rear and part first floor rear extension

  Granted Householder Extension 10 docs
  Small domestic

• 34 ESSEX AVENUE, ISLEWORTH, TW7 6LF

  P/2023/0815 Submitted 14 Mar 2023 100 yards away

  Certificate of Lawfulness for a single storey rear extension and a skylight following demolition of the existing conservatory

  Granted Lawful development Extension Demolition 12 docs
  Small domestic

• 11 CLAYTON ROAD, ISLEWORTH, TW7 6LE

  P/2023/0311 Submitted 31 Jan 2023 100 yards away

  Erection of a part single, part two storey rear extension to the house.

  Refused Householder Extension 8 docs
  Domestic

• 5 ESSEX AVENUE, ISLEWORTH, TW7 6LF

  P/2023/0166 Submitted 17 Jan 2023 100 yards away

  Erection of first floor extension with rear loft dormer to roof space, front porch and replacement of existing rear extension, following the demolition of the existing single storey side extension and rear extension, conservatory and attached single storey garage - amended description

  Withdrawn Householder Extension Loft or dormer +1 19 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