45 MERTON AVENUE, CHISWICK, LONDON, W4 1TA

1. 4 Jan 2023

   Received by Hounslow

2. 11 Jan 2023

   Validated

   Checked as complete and ready for consideration.

3. 8 Mar 2023

   Decision issued: REFUSED PLANNING PERMISSION

4. 26 Jul 2026

   Added to PlanIndex

This application is at appeal, which passes the decision from Hounslow to the planning inspectorate, and the outcome will replace the council's decision. 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.

• 42 CLEVELAND AVENUE, CHISWICK, W4 1SW

  P/2023/0607 Submitted 23 Feb 2023 50 yards away

  Non-material amendment to alter the description of the approval from 'Erection of a part single storey rear extension to ground floor flat' to include the wording a'nd amendments to existing fenestration' i.e.'Erection of a part single storey rear extension and amendments to existing fenestration to ground floor flat' following planning permission 00277/42/P1 dated 25/05/2022

  Granted Amendments Extension Windows or glazing 5 docs
  Small domestic

• 39 MERTON AVENUE, CHISWICK, LONDON, W4 1TA

  P/2021/1813 Submitted 10 May 2021 50 yards away

  Erection of a three storey house with roof terrace, rear garden and waste/ cycle storage adjoining No. 39 Merton Avenue.

  Granted Full applications 17 docs

• 25 CLEVELAND AVENUE, CHISWICK, LONDON, W4 1SN

  P/2022/4054 Submitted 19 Dec 2022 50 yards away

  Erection of a single storey rear infilll extension, alterations to the existing single storey rear and rear roof extension incorporating the installation of two additional front roof windows

  Withdrawn Householder Extension Windows or glazing 6 docs
  Small domestic

• 18 Cleveland Avenue, Chiswick, London, W4 1SN

  P/2026/0519 Submitted 13 Feb 2026 100 yards away

  Certificate of lawfulness proposed for the erection of a rear roof extension with three front and rear roof windows to the house and removal of a chimney.

  Granted Lawful development Extension Windows or glazing 5 docs

• 18 Cleveland Avenue, Chiswick, London, W4 1SN

  P/2026/0489 Submitted 11 Feb 2026 100 yards away

  Erection of a single storey rear extension to the house.

  Granted Householder Extension 9 docs
  Small domestic

• 15 Cleveland Avenue, Chiswick, London, W4 1SN

  P/2026/1161 Submitted 15 Apr 2026 100 yards away

  Enlargement of existing single storey rear extension to the house.

  Granted Householder Extension 13 docs
  Small 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