18 Cleveland Avenue, Chiswick, London, W4 1SN

This site has had 2 applications since 2026: 2 approved, 0 refused.

• P/2026/0489 Granted

  18 Cleveland Avenue, Chiswick, London, W4 1SN

  Erection of a single storey rear extension to the house.

  Decided 14 Apr 2026 Householder

1. 13 Feb 2026

   Received by Hounslow

2. 31 Mar 2026

   Decision issued: GRANT

3. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 31 March 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.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

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

  P/2026/0489 Submitted 11 Feb 2026 0m away

  Erection of a single storey rear extension to the house.

  Granted Householder Extension 9 docs
  Small domestic

• 28 Ravensmede Way, Chiswick, London, W4 1TD

  P/2025/3028 Submitted 9 Oct 2025 27m away

  Retrospective application for the erection of a detached outbuilding in the rear garden and extension of a pergola to the house.

  Granted Householder Extension 7 docs
  Small domestic

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

  P/2026/1161 Submitted 15 Apr 2026 30m away

  Enlargement of existing single storey rear extension to the house.

  Granted Householder Extension 13 docs
  Small domestic

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

  P/2023/0183 Submitted 18 Jan 2023 38m away

  Installation of a trellis to raise all existing boundary treatments

  Refused Householder 9 docs
  Domestic

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

  P/2022/4054 Submitted 19 Dec 2022 39m 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  Withdrawn Householder Extension Windows or glazing 6 docs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

• 22 Ravensmede Way, Chiswick, London, W4 1TD

  P/2026/0878 Submitted 16 Mar 2026 45m away

  Variation of condition 2 (Approved Plans) to allow pitched roof over side extension with four rooflights and alterations to fenestration following planning permission P/2025/1377 approved 09/07/2025 Erection of a single storey side and front extension, conversion of the garage into a habitable room with associated alterations to the house.

  Granted Conditions Extension Loft or dormer +1 7 docs
  Small domestic

• P/2026/2033 Granted

  3 Benedict Drive, Feltham, TW14 8JH

  Certificate of lawfulness for the proposed erection of a rear roof extension with hip to gable conversion with windows to the front and side of the house.

  8 Jul 2026 Lawful development
• P/2026/2027 Granted

  115 Northumberland Crescent, Feltham, TW14 9SP

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

  8 Jul 2026 Lawful development
• P/2026/2009 Granted

  3 Brainton Avenue, Feltham, TW14 0AZ

  Certificate of lawfulness for the proposed erection of a rear roof extension and Juliette balcony with front roof windows to the house.

  7 Jul 2026 Lawful development
• P/2026/2014 Granted

  82 Sussex Avenue, Isleworth, TW7 6LB

  Certificate of lawfulness for the proposed erection of a rear roof extension, a porch to the front of the house, and a front roof window.

  7 Jul 2026 Lawful development
• P/2026/2473 Awaiting decision

  16 Somerset Waye, Hounslow, TW5 9HG

  Certificate of lawfulness for the proposed erection of a rear roof extension with two roof windows to the front and alterations to the existing side roof from flat roof to pitched roof.

  1 Sep 2026 Lawful development