150 Ash Grove, Hounslow, Middlesex, TW5 9DR

1. 21 Nov 2025

   Received by Hounslow

2. 15 Jan 2026

   Decision issued: APPROVED

3. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 15 January 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.

• 34 Browning Way, Hounslow, TW5 9BE

  P/2026/2581 Submitted 10 Sep 2026 50 yards away

  75% historically approved · decision due ~12 Nov

  Retrospective application for the rear conservatory to the house.

  Awaiting decision Householder Extension 4 docs
  Small domestic

• 46 BROWNING WAY, HOUNSLOW, TW5 9BE

  P/2023/0665 Submitted 1 Mar 2023 50 yards away

  Erection of a single storey rear extension and a single storey detached outbuilding

  Granted Householder Extension 8 docs
  Small domestic

• 153 Ash Grove, Hounslow, TW5 9DX

  P/2025/0031 Submitted 3 Jan 2025 100 yards away

  75% historically approved · decision due ~20 Mar

  Creation of vehicular access to the house

  Awaiting decision Householder 4 docs
  Domestic

• 258 Ash Grove, Hounslow, TW5 9DY

  PA/2025/3670 Submitted 10 Dec 2025 100 yards away

  Ground floor rear extension 6.00 metres deep, maximum height 3.40 metres, 2.90 metres high to the eaves.

  Refused Prior approval Extension 5 docs

• 27 Browning Way, Hounslow, TW5 9BG

  PA/2024/3335 Submitted 4 Oct 2024 100 yards away

  Ground floor rear extension 4.00 metres deep, maximum height of 3.54 metres, 2.58 metres high to the eaves

  Granted Prior approval Extension 9 docs

• 21 BROWNING WAY, HOUNSLOW, TW5 9BG

  P/2023/0644 Submitted 28 Feb 2023 100 yards away

  Certificate of lawfulness for 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

• 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