15 Cleveland Avenue, Chiswick, London, W4 1SN

1. 15 Apr 2026

   Received by Hounslow

2. 20 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 21 Jul 2026

   Decision issued: APPROVED

4. 26 Jul 2026

   Added to PlanIndex

Hounslow granted permission on 21 July 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.

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

  P/2023/0183 Submitted 18 Jan 2023 19m away

  Installation of a trellis to raise all existing boundary treatments

  Refused Householder 9 docs
  Domestic

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

  P/2019/3975 Submitted 1 Nov 2019 29m away

  Erection of a single storey rear extension to ground floor flat

  Granted Full applications Extension 13 docs
  Small domestic

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

  P/2026/0519 Submitted 13 Feb 2026 30m 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 30m away

  Erection of a single storey rear extension to the house.

  Granted Householder Extension 9 docs
  Small domestic

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

  P/2022/4054 Submitted 19 Dec 2022 35m 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  Withdrawn Householder Extension Windows or glazing 6 docs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

• 4 Cleveland Avenue,Chiswick,W4 1SN

  P/2026/2144 Submitted 22 Jul 2026 52m away

  Enlargement of existing basement.

  Granted Householder 25 docs
  Domestic

• P/2026/2623 Awaiting decision

  8 Lonsdale Road,Chiswick,W4 1ND

  Installation of external condenser at first floor level.

  15 Sep 2026 Householder
• P/2026/2125 Granted

  36 Midsummer Avenue, Hounslow, TW4 5BB

  Erection of a single storey rear extension and a single storey side extension following the demolition of the existing side garage.

  21 Jul 2026 Householder
• P/2026/2615 Awaiting decision

  48 Meadow Waye, Hounslow, TW5 9EZ

  Erection of a part first floor rear extension.

  14 Sep 2026 Householder
• P/2026/2619 Awaiting decision

  12 Letchworth Avenue, Feltham, TW14 9RY

  Erection of a single storey rear extension.

  14 Sep 2026 Householder
• P/2026/2600 Awaiting decision

  310 Lionel Road North, Brentford, TW8 9QX

  Erection of a rear roof extension.

  14 Sep 2026 Householder