9 CLEVELAND AVENUE, CHISWICK, LONDON, W4 1SN

1. 18 Jan 2023

   Received by Hounslow

2. 1 Mar 2023

   Validated

   Checked as complete and ready for consideration.

3. 6 Apr 2023

   Decision issued: REFUSED PLANNING PERMISSION

4. 16 Aug 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.

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

  P/2019/3975 Submitted 1 Nov 2019 17m away

  Erection of a single storey rear extension to ground floor flat

  Granted Full applications Extension 13 docs
  Small domestic

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

  P/2026/1161 Submitted 15 Apr 2026 19m away

  Enlargement of existing single storey rear extension to the house.

  Granted Householder Extension 13 docs
  Small domestic

• 4 Cleveland Avenue,Chiswick,W4 1SN

  P/2026/2144 Submitted 22 Jul 2026 36m away

  76% historically approved · decision due ~16 Sep

  Enlargement of existing basement.

  Awaiting decision Householder 23 docs
  Domestic

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

  P/2026/0519 Submitted 13 Feb 2026 38m 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 38m away

  Erection of a single storey rear extension to the house.

  Granted Householder Extension 9 docs
  Small domestic

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

  P/2026/0878 Submitted 16 Mar 2026 50m 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/2026/2047 Granted

  9 Borough Road, Isleworth, TW7 5DY

  Erection of a single storey rear extension.

  10 Jul 2026 Householder
• P/2026/1858 Granted

  8 CONNAUGHT AVENUE, HOUNSLOW, TW4 5BW

  Erection of single storey front extension to the outbuilding for used as storage, office and a Gym. Following part demolition of the outbuilding.

  23 Jun 2026 Householder
• P/2026/2503 Awaiting decision

  25 Arnold Crescent, Isleworth, TW7 7NS

  Erection of a single storey rear, two storey side extension, and rear roof extension with two front roof windows to the house.

  3 Sep 2026 Householder
• P/2026/1522 Granted

  4 Camborne Way, Hounslow, TW5 0PW

  Erection of a single storey rear extension and reduction in width of the existing side and rear extension.

  20 May 2026 Householder
• P/2026/2024 Granted

  20 Hartland Road, Isleworth, TW7 6RH

  Erection of a rear roof extension with windows to the front of the house.

  8 Jul 2026 Householder