12 Prospect Close, Hounslow, TW3 4JL

This site has had 2 applications since 2025: 0 approved, 1 refused.

• P/2025/3581 Refused

  12 Prospect Close, Hounslow, TW3 4JL

  Erection of a single storey front extension following the demolition of the front bay window with alterations to the existing porch of the house

  Decided 3 Feb 2026 Householder

1. 28 Nov 2025

   Received by Hounslow

2. 8 Dec 2025

   Validated

   Checked as complete and ready for consideration.

3. 26 Jul 2026

   Added to PlanIndex

The applicant withdrew this application before Hounslow decided it, and is free to submit a revised scheme at any time. 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.

• 12 Prospect Close, Hounslow, TW3 4JL

  P/2025/3581 Submitted 1 Dec 2025 50 yards away

  Erection of a single storey front extension following the demolition of the front bay window with alterations to the existing porch of the house

  Refused Householder Extension Demolition +1 17 docs
  Small domestic

• 19 Prospect Close, Hounslow, TW3 4JL

  P/2026/0079 Submitted 12 Jan 2026 50 yards away

  Certificate of lawfulness for the proposed erection of a single storey detached outbuilding to be used as a games room, cinema and store room in the rear garden.

  Granted Lawful development 5 docs
  Small domestic

• 13 Sarsen Avenue, Hounslow, TW3 4JN

  P/2026/1114 Submitted 9 Apr 2026 100 yards away

  Erection of a two-storey side extension and a rear roof extension to the house

  Granted Householder Extension 6 docs
  Domestic

• 8 Stratton Close, Hounslow, TW3 4JP

  P/2025/3489 Submitted 19 Nov 2025 150 yards away

  Demolition of existing conservatory and erection of a single storey rear extension, part single storey, part two storey side infill and part first floor rear extension to the house.

  Refused Householder Extension Demolition 6 docs
  Small domestic

• 8 Stratton Close, Hounslow, TW3 4JP

  P/2026/2341 Submitted 13 Aug 2026 150 yards away

  77% historically approved · decision due ~8 Oct

  Erection of a part single part two storey side infill extension and a part first floor rear extension with fenestration changes to the ground floor rear of the house

  Awaiting decision Householder Extension Windows or glazing 4 docs
  Domestic

• 33 Queenswood Avenue, Hounslow, TW3 4LG

  PA/2026/0795 Submitted 9 Mar 2026 150 yards away

  Ground floor rear extension 6.00 metres deep, maximum height 3.40 metres, 3.00 metres high to the eaves.

  Granted Prior approval Extension 5 docs

• P/2026/1827 Granted

  31 Staveley Gardens,Chiswick,W4 2SA

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

  Received 19 Jun, published by the council 26 Jul 2026 Householder
• P/2026/1567 Granted

  15 Devonshire Gardens, Chiswick, London, W4 3TN

  Demolition of the existing single storey detached unenclosed gazebo outbuilding in the south western area of the house's rear garden and erection of a single storey detached outbuilding with a front lean-to in the south western area of the house's rear garden.

  Received 26 May, published by the council 26 Jul 2026 Householder
• P/2026/2655 Awaiting decision

  39 Old Cote Drive, Hounslow, TW5 0RW

  Erection of a single storey detached outbuilding.

  Received 17 Sep, published by the council 20 Sep 2026 Householder
• P/2026/2643 Awaiting decision

  103 Syon Park Gardens, Isleworth, TW7 5NF

  Erection of two side roof extensions.

  Received 16 Sep, published by the council 20 Sep 2026 Householder
• P/2026/2642 Awaiting decision

  103 Syon Park Gardens, Isleworth, TW7 5NF

  Erection of a single storey side extension.

  Received 16 Sep, published by the council 20 Sep 2026 Householder