37 Wellington Avenue, Hounslow, TW3 3SY

This site has had 2 applications since 2025: 2 approved, 0 refused.

• P/2025/3317 Granted

  37 Wellington Avenue, Hounslow, TW3 3SY

  Certificate of lawfulness proposed for a hip to gable conversion and erection of a rear roof extension and a single storey rear extension to the house.

  Decided 2 Dec 2025 Lawful development

1. 17 Nov 2025

   Received by Hounslow

2. 10 Mar 2026

   Decision issued: APPROVED

3. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 10 March 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.

• 37 Wellington Avenue, Hounslow, TW3 3SY

  P/2025/3317 Submitted 5 Nov 2025 50 yards away

  Certificate of lawfulness proposed for a hip to gable conversion and erection of a rear roof extension and a single storey rear extension to the house.

  Granted Lawful development Extension Loft or dormer 4 docs
  Small domestic

• 207 CROMWELL ROAD, HOUNSLOW, TW3 3QW

  PA/2023/0830 Submitted 14 Mar 2023 100 yards away

  Ground floor rear extension 5.00 metres deep, maximum height 3.00 metres, 3.00 metres high to the eaves

  Granted Prior approval Extension 9 docs

• 177 Cromwell Road, Hounslow, TW3 3QW

  P/2025/2836 Submitted 22 Sep 2025 100 yards away

  Conversion of a dwelling house into two self-contained flats incorporating a front roof window to the house.

  Withdrawn Full applications New dwelling Windows or glazing 30 docs
  Domestic

• 58 VICTORIA AVENUE, HOUNSLOW, TW3 3ST

  PA/2019/4233 Submitted 25 Nov 2019 100 yards away

  Ground floor rear extension 4 metres deep, maximum height of 2.9 metres, 2.9 metres high to the eaves

  Granted Prior approval Extension 7 docs

• 6 Roseville Avenue, Hounslow, TW3 3TD

  P/2026/2221 Submitted 30 Jul 2026 150 yards away

  75% historically approved · decision due ~13 Oct

  Erection of a single storey rear extension.

  Awaiting decision Householder Extension 16 docs
  Small domestic

• 156 Cromwell Road, Hounslow, TW3 3QS

  P/2026/2698 Submitted 23 Sep 2026 150 yards away

  100% historically approved · decision due ~18 Nov

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

  Awaiting decision Lawful development Extension Loft or dormer +1 4 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