194 Ash Grove, Hounslow, TW5 9DT

1. 20 Apr 2026

   Received by Hounslow

2. 27 May 2026

   Decision issued: PRIOR APPROVAL IS NOT REQUIRED

3. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 27 May 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.

• 188 Ash Grove, Hounslow, TW5 9DT

  P/2024/3427 Submitted 12 Oct 2024 50 yards away

  Conversion of the existing detached outbuilding into 1x self contained dwelling with associated private amenity space, car parking, cycle and refuse storage.

  Refused Full applications 10 docs
  Small domestic

• 206 ASH GROVE, HOUNSLOW, TW5 9DT

  PA/2023/0957 Submitted 27 Mar 2023 50 yards away

  Ground floor rear extension 6.00 metres deep, maximum height 3.65 metres, 3.00 metres high to the eaves

  Granted Prior approval Extension 4 docs

• 93 Ash Grove, Hounslow, TW5 9DX

  P/2025/3174 Submitted 21 Oct 2025 50 yards away

  Certificate of lawfulness proposed for the erection of single storey detached outbuilding for use as a gym to the house.

  Granted Lawful development 5 docs
  Small domestic

• 30 OAK AVENUE, HOUNSLOW, TW5 9EB

  P/2021/2320 Submitted 9 Jun 2021 50 yards away

  Certificate of Lawfulness for the erection of a rear roof extension incorporating hip to gable conversion, two front roof windows and one second floor side window to the house

  Granted Lawful development Extension Loft or dormer +1 5 docs

• 75 ASH GROVE, HOUNSLOW, TW5 9DU

  P/2023/0197 Submitted 20 Jan 2023 100 yards away

  Certificate of lawfulness for the erection of a detached rear outbuilding to the house

  Granted Lawful development 6 docs

• 67 Ash Grove, Hounslow, TW5 9DU

  PA/2025/2906 Submitted 26 Sep 2025 100 yards away

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

  Granted Prior approval Extension 6 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