42A SYON LANE, ISLEWORTH, TW7 5NQ

1. 1 Mar 2023

   Received by Hounslow

2. 11 Apr 2023

   Decision issued: REFUSED (FULL PLANNING PERMISSION REQUIRED)

3. 23 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.

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.

• 36 SYON LANE, ISLEWORTH, TW7 5NQ

  P/2024/0513 Submitted 15 Feb 2024 50 yards away

  Change of use from the existing garage into a retail unit.

  Granted Full applications 10 docs

• 850-852 GREAT WEST ROAD, ISLEWORTH, TW7 5NG

  P/2021/2546 Submitted 22 Jun 2021 100 yards away

  Erection of part single storey rear extensions to Flats B at both properties .

  Refused Full applications New dwelling Extension 5 docs
  Small domestic

• 101 Syon Lane Isleworth TW7 5LW

  250294CONS Submitted 22 Jan 2025 100 yards away

  Demolition of Old Mould shop, Caxton Building, Vanmatic Building, rear/north wing of Campbells Building and associated outbuildings. Refurbishment and extension of the Gillette Building, IPF Building, Natwest Building and front/south wing of Campbells Building to update the spaces associated with the existing film studios use and provide a public café. Erection of new buildings serving as studios for virtual production, film and digital content creation, comprising sound stages, offices and workshops (Use Class E(g)). Formation of associated access, cycle and car parking, waste storage, renewable energy infrastructure and landscaping arrangements and listed building consent P/2024/2755 (amended drawings) (Out of borough)

  Granted Outline Extension Demolition 2 docs

• 2 OTTERBURN GARDENS, ISLEWORTH, TW7 5JJ

  P/2022/3682 Submitted 17 Nov 2022 100 yards away

  Formation of vehicle access at the front of the house

  Refused Householder 7 docs
  Domestic

• 4 Otterburn Gardens, Isleworth, TW7 5JJ

  P/2025/1311 Submitted 24 Apr 2025 100 yards away

  Formation of a vehicular access to the existing site.

  Withdrawn Full applications 5 docs

• 4 Otterburn Gardens, Isleworth, TW7 5JJ

  P/2026/2129 Submitted 21 Jul 2026 100 yards away

  Erection of a rear roof extension with hip to gable conversion and three front roof windows.

  Refused Full applications Extension Loft or dormer +1 10 docs

• 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