425 Twickenham Road, Isleworth, TW7 7ES

This site has had 2 applications since 2025: 2 approved, 0 refused.

• P/2025/3369 Granted

  425 Twickenham Road, Isleworth, TW7 7ES

  Erection of a single storey rear extension and part ground floor part first floor side extension to the house.

  Decided 5 Mar 2026 Householder

1. 10 Sep 2025

   Received by Hounslow

2. 3 Nov 2025

   Decision issued: GRANT

3. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 3 November 2025, 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.

• 425 Twickenham Road, Isleworth, TW7 7ES

  P/2025/3369 Submitted 10 Nov 2025 50 yards away

  Erection of a single storey rear extension and part ground floor part first floor side extension to the house.

  Granted Householder Extension 9 docs
  Small domestic

• 403-405 Twickenham Road,Greater London,Isleworth,TW7 7ES

  P/2024/2879 Submitted 29 Aug 2024 50 yards away

  Installation of one internally illuminated advertisement panel.

  Granted Advertising 15 docs

• 2 LYNTON CLOSE, ISLEWORTH, TW7 7ET

  P/2021/2722 Submitted 5 Jul 2021 50 yards away

  Certificate of Lawfulness for the proposed erection of a rear roof extension incorporating three front roof windows to the house

  Granted Lawful development Extension Windows or glazing 7 docs

• 403-405 Twickenham Road, Isleworth, TW7 7ES

  P/2026/2202 Submitted 28 Jul 2026 50 yards away

  89% historically approved · decision due ~22 Sep

  Variation of conditions 4 (opening times for shop) and 5 (opening times for petrol station) to allow to be rewording of condition 4 to 'the onsite shop shall be permanently open to customers 24 hours' and condition 5 to 'the filling of vehicles with petrol and the associated receipt of payment shall be carried out at the premises 24 hours permanently, with the exception of pumps 1, 2, 3 and 4 which shall not operate between the hours of 11.00pm and 6.00am' of planning permission 01137/403 405/P29 (P/2016/1527) approved 29/06/2016 for the variation of condition 3 to change the opening hours from 07:00 am to 06:00 am following planning permission 01137/403 405/P23 (H/0006/5173) dated 14/12/1983 for erection of petrol service station with car servicing

  Awaiting decision Conditions 4 docs

• 403-405 Twickenham Road,Isleworth,Hounslow,TW7 7ES

  P/2024/3244 Submitted 27 Sep 2024 50 yards away

  Details of Condition 4 (Waste water) submitted pursuant to planning permission 01137/403-405/P34 (P/2023/1181) dated 05/09/2023 for Demolition of car wash and jet wash machine and the creation of charging zone, erection of EV chargers, erection of canopy, two jet wash bays, sub-station enclosure and associated forecourt works.

  Refused Conditions Demolition 4 docs

• 403-405 Twickenham Road, Isleworth, TW7 7ES

  P/2024/3910 Submitted 21 Nov 2024 50 yards away

  Details of Condition 4 (Waste water) submitted pursuant to planning permission 01137/403-405/P34 (P/2023/1181) dated 05/09/2023 for Demolition of car wash and jet wash machine and the creation of charging zone, erection of EV chargers, erection of canopy, two jet wash bays, sub-station enclosure and associated forecourt works.

  Granted Conditions Demolition 5 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