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 50 yards 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 50 yards 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 50 yards 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 50 yards 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 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  Withdrawn Householder Extension Windows or glazing 6 docs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

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

  P/2026/0878 Submitted 16 Mar 2026 50 yards 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/2026/2813 Awaiting decision

  150 Wood Lane, Isleworth, TW7 5EQ

  (GSGS877009741) Certificate of lawfulness proposed for the erection of a single storey outbuilding to be used as a home gym / playroom / shed in the rear garden of the house

  Received 5 Oct, published by the council 9 Oct 2026 Lawful development
• P/2026/2334 Granted

  69 Central Avenue, Hounslow, TW3 2QW

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

  Received 12 Aug, published by the council 16 Aug 2026 Lawful development
• P/2026/2459 Granted

  2 Letchworth Avenue, Feltham, TW14 9RY

  Certificate of Lawfulness for the proposed hip to gable roof conversion, installation of two front roof windows, and erection of a rear roof extension to the existing house.

  Received 28 Aug, published by the council 5 Sep 2026 Lawful development
• P/2026/2787 Awaiting decision

  13 Denbigh Road, Hounslow, TW3 4DU

  Certificate of Lawfulness for the proposed erection of a detached outbuilding in the rear garden.

  Received 1 Oct, published by the council 9 Oct 2026 Lawful development
• P/2026/2790 Awaiting decision

  14 Old Farm Close, Hounslow, TW4 7AB

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

  Received 1 Oct, published by the council 6 Oct 2026 Lawful development