12 Legrace Avenue, Hounslow, TW4 7RS

This site has had 4 applications since 2025: 2 approved, 1 refused.

• P/2026/2470 Awaiting decision

  12 Legrace Avenue, Hounslow, TW4 7RS

  Erection of a two storey side extension, single storey rear extension and part first floor rear extension, together with a hip to gable roof extension, rear roof extension incorporating a Juliet balcony, and installation of four front roof windows to the house

  Submitted 28 Aug 2026 Householder
• PA/2025/3789 Granted

  12 Legrace Avenue, Hounslow, TW4 7RS

  Ground floor rear extension 6.00 metres deep, maximum height of 3.50 metres, 2.70 metres high to the eaves

  Decided 29 Jan 2026 Prior approval
• P/2025/3790 Granted

  12 Legrace Avenue, Hounslow, TW4 7RS

  Certificate of lawfulness proposed for the erection of a hip to gable and rear roof extension with three front roof windows and Juliette balcony, a front porch and a single storey detached outbuilding in the rear garden of the house

  Decided 7 May 2026 Lawful development

1. 17 Mar 2026

   Received by Hounslow

2. 31 Mar 2026

   Validated

   Checked as complete and ready for consideration.

3. 23 Jun 2026

   Decision issued: REFUSED

4. 26 Jul 2026

   Added to PlanIndex

Hounslow refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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 Legrace Avenue, Hounslow, TW4 7RS

  P/2026/2470 Submitted 28 Aug 2026 50 yards away

  77% historically approved · decision due ~23 Oct

  Erection of a two storey side extension, single storey rear extension and part first floor rear extension, together with a hip to gable roof extension, rear roof extension incorporating a Juliet balcony, and installation of four front roof windows to the house

  Awaiting decision Householder Extension Loft or dormer +1 4 docs
  Small domestic

• 12 Legrace Avenue, Hounslow, TW4 7RS

  PA/2025/3789 Submitted 22 Dec 2025 50 yards away

  Ground floor rear extension 6.00 metres deep, maximum height of 3.50 metres, 2.70 metres high to the eaves

  Granted Prior approval Extension 5 docs

• 12 Legrace Avenue, Hounslow, TW4 7RS

  P/2025/3790 Submitted 22 Dec 2025 50 yards away

  Certificate of lawfulness proposed for the erection of a hip to gable and rear roof extension with three front roof windows and Juliette balcony, a front porch and a single storey detached outbuilding in the rear garden of the house

  Granted Lawful development Extension Loft or dormer +1 5 docs
  Small domestic

• 18 BASILDENE ROAD, HOUNSLOW, TW4 7LE

  PA/2021/2770 Submitted 7 Jul 2021 50 yards away

  Ground floor rear extension 6.00 metres deep, maximum height of 3.20 metres, 3.00 metres high to the eaves

  Granted Prior approval Extension 4 docs

• 100 LELA AVENUE, HOUNSLOW, TW4 7RY

  PA/2021/3167 Submitted 3 Aug 2021 100 yards away

  Ground floor rear extension 6 metres deep, maximum height of 3 metres, 2.8 metres high to the eaves

  Granted Prior approval Extension 6 docs

• 18 Kevin Close, Hounslow, TW4 7RX

  P/2024/3070 Submitted 13 Sep 2024 100 yards away

  Proposal for the erection of a two-storey side and part two-storey rear extension.

  Granted Householder Extension 11 docs
  Domestic

• 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