425 Twickenham Road, Isleworth, TW7 7ES

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

• P/2025/2736 Granted

  425 Twickenham Road, Isleworth, TW7 7ES

  Certificate of lawfulness for the proposed erection of a single storey rear extension to the house and a detached single storey outbuilding

  Decided 3 Nov 2025 Lawful development

1. 10 Nov 2025

   Received by Hounslow

2. 14 Nov 2025

   Validated

   Checked as complete and ready for consideration.

3. 5 Mar 2026

   Decision issued: APPROVED

4. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 5 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.

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.

• 425 Twickenham Road, Isleworth, TW7 7ES

  P/2025/2736 Submitted 10 Sep 2025 50 yards away

  Certificate of lawfulness for the proposed erection of a single storey rear extension to the house and a detached single storey outbuilding

  Granted Lawful development 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/2026/2304 Granted

  18 Clifden Road, Brentford, TW8 0PF

  Erection of a side and rear extensions.

  Received 7 Aug, published by the council 12 Aug 2026 Householder
• P/2026/2804 Awaiting decision

  128 Durham Road, Feltham, TW14 0AE

  Erection of a detached outbuilding in the rear garden following demolition of existing shed.

  Received 2 Oct, published by the council 9 Oct 2026 Householder
• P/2026/2301 Granted

  4 Glebe Street, Chiswick, W4 2BG

  Erection of a front side and rear side infill extensions with alterations to the rear elevation, a rear side first floor infill extension with replacement of windows to the rear elevation and installation of new rooflights to the existing ground floor infill extension of the house

  Received 7 Aug, published by the council 16 Aug 2026 Householder
• P/2026/1167 Granted

  20 Firs Drive, Hounslow, TW5 9TD

  Erection of part one, part two-storey side extension following demolition of existing garage and part one, part two-storey rear extension. Raising of roof ridge, erection of rear roof extensions, and installation of one front roof window.

  Received 15 Apr, published by the council 26 Jul 2026 Householder
• P/2026/2025 Granted

  1 Kneller Gardens, Isleworth, TW7 7NP

  Erection of a single storey rear and first floor side extension incorporating the conversion of the existing garage to a habitable room

  Received 8 Jul, published by the council 26 Jul 2026 Householder