17 Welwyn Avenue, Feltham, TW14 9SJ

1. 20 Apr 2026

   Received by Hounslow

2. 29 Apr 2026

   Validated

   Checked as complete and ready for consideration.

3. 24 Jun 2026

   Decision issued: APPROVED

4. 26 Jul 2026

   Added to PlanIndex

Hounslow granted permission on 24 June 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.

• 3 Welwyn Avenue, Feltham, TW14 9SJ

  PA/2026/0899 Submitted 18 Mar 2026 62m away

  Ground floor rear extension 5.28 metres deep, maximum height 2.90 metres, 2.60 metres high to the eaves.

  Granted Prior approval Extension 6 docs

• 3 Welwyn Avenue, Feltham, TW14 9SJ

  P/2026/1815 Submitted 18 Jun 2026 62m away

  Erection of a single storey side and part rear extension.

  Granted Householder Extension 7 docs
  Small domestic

• 1 Welwyn Avenue, Feltham, TW14 9SJ

  PA/2024/3584 Submitted 29 Oct 2024 65m away

  Ground floor rear extension 5.285 metres deep, maximum height of 2.90 metres, 2.90 metres high to the eaves

  Granted Prior approval Extension 10 docs

• 92 Kingston Avenue, Feltham, TW14 9SN

  P/2026/0247 Submitted 27 Jan 2026 70m away

  Erection of a two storey side and part single part two storey rear extension following demolition of existing rear extension to the house

  Granted Householder Extension Demolition 8 docs
  Domestic

• 92 Kingston Avenue, Feltham, TW14 9SN

  P/2025/3339 Submitted 6 Nov 2025 70m away

  Certificate of lawfulness proposed for the erection of single storey detached outbuilding for use as store, playroom and gym to the house.

  Granted Lawful development 6 docs
  Small domestic

• 48 Longford Avenue, Feltham, TW14 9TG

  P/2026/0508 Submitted 11 Feb 2026 79m away

  Demolition of existing conservatory and erection of a single storey rear extension to the house.

  Granted Householder Extension Demolition 8 docs
  Small domestic

• P/2026/2623 Awaiting decision

  8 Lonsdale Road,Chiswick,W4 1ND

  Installation of external condenser at first floor level.

  Received 15 Sep, published by the council 17 Sep 2026 Householder
• P/2026/2125 Granted

  36 Midsummer Avenue, Hounslow, TW4 5BB

  Erection of a single storey rear extension and a single storey side extension following the demolition of the existing side garage.

  Received 21 Jul, published by the council 30 Jul 2026 Householder
• P/2026/2615 Awaiting decision

  48 Meadow Waye, Hounslow, TW5 9EZ

  Erection of a part first floor rear extension.

  Received 14 Sep, published by the council 17 Sep 2026 Householder
• P/2026/2619 Awaiting decision

  12 Letchworth Avenue, Feltham, TW14 9RY

  Erection of a single storey rear extension.

  Received 14 Sep, published by the council 17 Sep 2026 Householder
• P/2026/2600 Awaiting decision

  310 Lionel Road North, Brentford, TW8 9QX

  Erection of a rear roof extension.

  Received 14 Sep, published by the council 17 Sep 2026 Householder