9 Rosslyn Avenue, Feltham, TW14 9LG

1. 13 Jan 2026

   Received by Hounslow

2. 18 Feb 2026

   Decision issued: PRIOR APPROVAL IS NOT REQUIRED

3. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 18 February 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.

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

• 64 Gladstone Avenue, Feltham, TW14 9LL

  PA/2026/1144 Submitted 14 Apr 2026 50 yards away

  Ground floor rear extension 4.25 metres deep, maximum height 3.49 metres, 2.68 metres high to the eaves.

  Granted Prior approval Extension 9 docs

• 79 GLADSTONE AVENUE, FELTHAM, TW14 9LJ

  P/2021/2753 Submitted 7 Jul 2021 100 yards away

  Erection of two storey side extension, front porch, part single part two storey rear extension with two sunlight tunnels and two roof windows to the house

  Refused Householder Extension Windows or glazing 13 docs
  Small domestic

• 53 BURNS AVENUE, FELTHAM, TW14 9LZ

  P/2019/4105 Submitted 13 Nov 2019 150 yards away

  Certificate of lawfulness for erection of a rear roof extension with hip to gable conversion and two roof windows to front elevation

  Granted Lawful development Extension Loft or dormer +1 8 docs

• BUILDING TO THE REAR 94 HARLINGTON ROAD WEST, FELTHAM, TW14 0JJ

  PAC/2021/2405 Submitted 9 Jun 2021 150 yards away

  Prior approval for the change of use of the office to one residential unit

  Refused Prior approval 6 docs

• 98A Harlington Road West, Feltham, TW14 0JJ

  P/2025/2208 Submitted 17 Jul 2025 200 yards away

  Erection rear roof extension with two front roof windows and first floor rear extension with internal alterations to the flat.

  Withdrawn Full applications Extension Windows or glazing 4 docs

• 98A Harlington Road West, Feltham, TW14 0JJ

  P/2026/0044 Submitted 2 Jan 2026 200 yards away

  64% historically approved · decision due ~27 Feb

  Erection rear roof extension with two front roof windows and first floor rear extension with internal alterations to the flat.

  Awaiting decision Full applications Extension Windows or glazing 4 docs

• PA/2026/2437 Refused

  17 Orchard Road, Brentford, TW8 0QX

  Ground floor rear extension 5.51 metres deep, maximum height of 2.80 metres, 2.06 metres high to the eaves

  Received 26 Aug, published by the council 2 Sep 2026 Prior approval
• PA/2026/2481 Refused

  6 Speart Lane, Hounslow, TW5 9EF

  Ground floor rear extension 8.00 metres deep, maximum height of 3.00 metres, 2.80 metres high to the eaves

  Received 1 Sep, published by the council 5 Sep 2026 Prior approval
• PA/2026/2768 Awaiting decision

  86 Kneller Gardens, Isleworth, TW7 7NW

  Ground floor rear extension 4.50 metres, maximum height 3.20 metres, 2.70 metres high to the eaves.

  Received 30 Sep, published by the council 6 Oct 2026 Prior approval
• PA/2026/2393 Granted

  2 Letchworth Avenue, Feltham, TW14 9RY

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

  Received 18 Aug, published by the council 23 Aug 2026 Prior approval
• PA/2026/2364 Granted

  9 Westbourne Road, Feltham, TW13 4LX

  Ground floor rear extension 4.5 metres deep, maximum height of 2.8 metres, 2.8 metres high to the eaves

  Received 13 Aug, published by the council 23 Aug 2026 Prior approval