121 High Street, Hounslow, TW3 1QL

1. 29 Jun 2026

   Received by Hounslow

2. 2 Jul 2026

   Validated

   Checked as complete and ready for consideration.

3. 26 Jul 2026

   Added to PlanIndex

4. 27 Aug 2026

   Decision issued: LAWFNOTGRANT

Hounslow granted permission on 27 August 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.

• 115-119 High Street, Hounslow, TW3 1QT

  P/2025/3100 Submitted 15 Oct 2025 17m away

  Erection of a mixed-use building comprising commercial floorspace (Use Class E(a), (b), (c), (e) and (g)(i)) at ground and basement levels, and seven residential units (Use Class C3) at first and second floors, with associated amenity space, refuse and cycle storage and public realm improvements following the demolition of the existing buildings.

  Granted Full applications Demolition 66 docs

• 113 HIGH STREET, Hounslow, TW3 1QT

  P/2025/3079 Submitted 13 Oct 2025 28m away

  Replacement of the existing shopfront, relocation of the existing flue, and installation of a foldable canopy to the rear of the premises, to allow the change of use from an existing bar/pub (Sui Generis) to a mixed bar/pub and restaurant use (Sui Generis/Class E(b))

  Granted Full applications Windows or glazing 15 docs

• 96-98 HIGH STREET, HOUNSLOW, TW3 1NH

  P/2021/3681 Submitted 10 Sep 2021 62m away

  Retrospective planning application for use of building as commercial ground floor with eight self contained flats.

  Granted Full applications New dwelling 32 docs

• 147-161 High Street, Hounslow, TW3 1QL

  P/2025/3543 Submitted 26 Nov 2025 64m away

  Erection of a part third floor front extension to provide four additional flats and a part second floor rear extension to provide two additional flats, with associated landscaping, cycle parking and refuse storage

  Granted Full applications New dwelling Extension 59 docs

• 84 High Street, Hounslow, TW3 1NH

  P/2024/3254 Submitted 28 Sep 2024 75m away

  Erection of a six storey building consisting of retail storage and five residential units with cycle parking, refuse and recycling following demolition of the ground floor retail storage area and first floor apartment at the rear of property

  Refused Full applications Demolition 55 docs

• 147-161 High Street, Hounslow, TW3 1QL

  P/2026/1955 Submitted 1 Jul 2026 81m away

  Details of conditions 4a to g (materials), 6 (construction logistics plan) and 11 (cycle storage) submitted pursuant to planning permission P/2025/3543 approved 07/04/2026 for the erection of a part third floor front extension to provide four additional flats and a part second floor rear extension to provide two additional flats, with associated landscaping, cycle parking and refuse storage.

  Refused Conditions New dwelling Extension 15 docs

• P/2026/2118 Granted

  54 Amhurst Gardens, Isleworth, TW7 6AJ

  Certificate of lawfulness for the proposed erection of a rear roof extension with front roof windows.

  Received 20 Jul, published by the council 26 Jul 2026 Lawful development
• P/2026/2580 Awaiting decision

  50B Paxton Road, Chiswick, London, W4 2QX

  Certificate of lawfulness for the existing use of a first floor self contained flat.

  Received 10 Sep, published by the council 17 Sep 2026 Lawful development
• P/2026/2332 Granted

  43 Dawes Avenue, Isleworth, TW7 7JS

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

  Received 12 Aug, published by the council 16 Aug 2026 Lawful development
• P/2026/2089 Granted

  18 Central Avenue, Hounslow, TW3 2QH

  Certificate of lawfulness for the existing use of the rear extension as a self contained flat.

  Received 17 Jul, published by the council 26 Jul 2026 Lawful development
• P/2026/2566 Awaiting decision

  109 Wood Lane, Isleworth, TW7 5EG

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

  Received 9 Sep, published by the council 17 Sep 2026 Lawful development