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.

• 46 BROWNING WAY, HOUNSLOW, TW5 9BE

  P/2023/0665 Submitted 1 Mar 2023 61m 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 78m away

  76% 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 81m 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 94m 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 104m 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

• 2 ASH GROVE, HOUNSLOW, TW5 9DR

  P/2021/2231 Submitted 4 Jun 2021 113m away

  Certificate of Lawfulness for the proposed erection of a rear roof extension incorporating hip to gable conversion to the original roof line and the installation of two front roof windows to the house

  Granted Lawful development Extension Loft or dormer +1 6 docs

• P/2026/2047 Granted

  9 Borough Road, Isleworth, TW7 5DY

  Erection of a single storey rear extension.

  10 Jul 2026 Householder
• P/2026/1858 Granted

  8 CONNAUGHT AVENUE, HOUNSLOW, TW4 5BW

  Erection of single storey front extension to the outbuilding for used as storage, office and a Gym. Following part demolition of the outbuilding.

  23 Jun 2026 Householder
• P/2026/2503 Awaiting decision

  25 Arnold Crescent, Isleworth, TW7 7NS

  Erection of a single storey rear, two storey side extension, and rear roof extension with two front roof windows to the house.

  3 Sep 2026 Householder
• P/2026/1522 Granted

  4 Camborne Way, Hounslow, TW5 0PW

  Erection of a single storey rear extension and reduction in width of the existing side and rear extension.

  20 May 2026 Householder
• P/2026/2024 Granted

  20 Hartland Road, Isleworth, TW7 6RH

  Erection of a rear roof extension with windows to the front of the house.

  8 Jul 2026 Householder