51 Park Avenue, Hounslow, TW3 2LY

This site has had 2 applications since 2024: 1 approved, 0 refused.

• P/2026/0058 Awaiting decision

  51 Park Avenue, Hounslow, TW3 2LY

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

  Submitted 9 Jan 2026 Lawful development

1. 16 Nov 2024

   Received by Hounslow

2. 25 Nov 2024

   Validated

   Checked as complete and ready for consideration.

3. 20 Jan 2025

   Decision issued: APPROVED

4. 6 Oct 2026

   Added to PlanIndex

Hounslow granted permission on 20 January 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.

• 51 Park Avenue, Hounslow, TW3 2LY

  P/2026/0058 Submitted 9 Jan 2026 50 yards away

  100% historically approved · decision due ~6 Mar

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

  Awaiting decision Lawful development Extension Loft or dormer +1 8 docs

• 133, Argyle Avenue, Hounslow, TW3 2LL

  PA26/1328 Submitted 15 Apr 2026 50 yards away

  P/2026/117 - Erection of a first floor side extension above the existing ground floor side extension.

  Granted Outline Extension 2 docs

• 44 Park Avenue, Hounslow TW3 2LX

  PA26/0488 Submitted 12 Feb 2026 100 yards away

  Lawful development certificate for the existing rear roof dormer, hip-to-gables and 4no. front rooflights.

  Granted Lawful development Loft or dormer 10 docs

• 80 ARGYLE AVENUE, HOUNSLOW, TW3 2LN

  PA/2023/0680 Submitted 2 Mar 2023 100 yards away

  Ground floor rear extension 6.00 metres deep, maximum height 2.95 metres, 2.95 metres high to the eaves

  Granted Prior approval Extension 6 docs

• 58 Wills Crescent Whitton Hounslow TW3 2JB

  21/1772/HOT Submitted 17 May 2021 100 yards away

  single storey side and rear extension following removal of existing side garage

  Granted Householder Extension 9 docs
  Small domestic

• 76 Argyle Avenue, Hounslow, TW3 2LN

  P/2026/1490 Submitted 18 May 2026 100 yards away

  Certificate of Lawfulness for the proposed erection of a rear roof extension, including a hip-to-gable roof conversion and installation of three front roof windows, erection of a front porch, and erection of a single-storey detached outbuilding in the rear garden.

  Granted Lawful development Extension Loft or dormer +1 11 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