PA/2021/2526

1. 18 Jun 2021

   Received by Hounslow

2. 16 Jul 2021

   Decision issued: PRIOR APPROVAL IS NOT REQUIRED

3. 26 Jul 2026

   Added to PlanIndex

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

Prior approval applications arise where permitted development rights already grant the principle of the work, such as larger home extensions, changes of use to housing or agricultural buildings. The council may only consider the specific matters set out in the rules, for example transport, flooding or appearance, and in many classes the work may proceed if the council does not respond within the deadline, commonly 56 days.

More on prior approval applications in our guide

• P/2026/1503 Awaiting decision

  52 Worple Road, Isleworth, TW7 7AR

  Erection of a rear roof extension incorporating a Juliet balcony, together with the installation of two front roof windows to the house

  19 May 2026 37m away Householder
• P/2021/2578 Refused

  36 WORPLE ROAD, ISLEWORTH, TW7 7AR

  Erection of side dormer roof extension including one front roof window in the front roof slope and a rear outrigger extension

  24 Jun 2021 42m away Householder
• P/2021/2621 Granted

  79 WORPLE ROAD, ISLEWORTH, TW7 7AT

  Certificate of Lawfulness for the erection of a single storey detached outbuilding to use as a gym and utility area to the side of the existing house

  28 Jun 2021 97m away Lawful development
• P/2025/0567 Withdrawn

  10 Percy Road, Isleworth, TW7 7HB

  Certificate of lawfulness proposed for the erection of a rear roof extension with two front roof window and erection of a single storey rear extension to the house.

  23 Feb 2025 101m away Lawful development
• PA/2023/0325 Granted

  18 CHESTNUT GROVE, ISLEWORTH, TW7 7EZ

  Ground floor rear extension 6.00 metres deep, maximum height 4.00 metres, 3.00 metres high to the eaves

  1 Feb 2023 137m away Prior approval
• P/2026/1106 Awaiting decision

  210 Twickenham Road, Isleworth, TW7 7DR

  Certificate of lawfulness for the continued use as three self contained flats

  7 Apr 2026 161m away Lawful development

• PA/2026/2235 Awaiting decision

  209 Hatton Road, Feltham, TW14 9QY

  Ground floor rear extension 5.00 metres deep, maximum height 3.60 metres, 3.00 metres high to the eaves.

  31 Jul 2026 Prior approval
• PA/2026/2232 Awaiting decision

  9 Wareham Close, Hounslow, TW3 3PX

  Ground floor rear extension 6.00 metres deep, maximum height 3.00 metres, 2.80 metres high to the eaves.

  31 Jul 2026 Prior approval
• PA/2026/2187 Awaiting decision

  205 Brabazon Road, Hounslow, TW5 9LW

  Ground floor rear extension 6.00 metres deep, maximum height of 3.40 metres, 2.90 metres high to the eaves

  28 Jul 2026 Prior approval
• PA/2026/2172 Awaiting decision

  65 Mornington Crescent, Hounslow, TW5 9ST

  Ground floor rear extension 6.00 metres deep, maximum height of 3.00 metres, 2.85 metres high to the eaves

  27 Jul 2026 Prior approval
• PA/2026/1749 Refused

  25 Grosvenor Road, Hounslow, TW3 3ER

  Ground floor rear extension 6.00 metres deep, maximum height 3.00 metres, 2.90 metres high to the eaves.

  12 Jun 2026 Prior approval