11 Cranmore Avenue, Isleworth, TW7 4QW

This site has had 4 applications since 2019: 3 approved, 1 refused.

• P/2026/1513 Granted

  11 Cranmore Avenue, Isleworth, TW7 4QW

  Erection of rear roof extension and a hip to gable conversion with a Juliet balcony and two front roof windows, and a two storey side, part first floor and single storey rear extension with a front porch to the house.

  Decided 28 Jul 2026 Householder
• P/2026/0786 Granted

  11 Cranmore Avenue, Isleworth, TW7 4QW

  Certificate of lawfulness for the proposed erection of a rear roof extension with hip to gable conversion and front roof windows and the erection of a front porch to the house.

  Decided 14 Apr 2026 Lawful development
• PA/2019/3920 Refused

  11 CRANMORE AVENUE, ISLEWORTH, TW7 4QW

  Ground floor rear extension 6 metres deep, maximum height 3.6 metres, 2.9 metres high to the eaves

  Decided 27 Nov 2019 Prior approval

1. 26 Feb 2026

   Received by Hounslow

2. 27 Mar 2026

   Decision issued: PRIOR APPROVAL IS NOT REQUIRED

3. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 27 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.

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.

• 11 CRANMORE AVENUE, ISLEWORTH, TW7 4QW

  PA/2019/3920 Submitted 28 Oct 2019 50 yards away

  Ground floor rear extension 6 metres deep, maximum height 3.6 metres, 2.9 metres high to the eaves

  Refused Prior approval Extension 6 docs

• 11 Cranmore Avenue, Isleworth, TW7 4QW

  P/2026/0786 Submitted 9 Mar 2026 50 yards away

  Certificate of lawfulness for the proposed erection of a rear roof extension with hip to gable conversion and front roof windows and the erection of a front porch to the house.

  Granted Lawful development Extension Loft or dormer +1 10 docs
  Small domestic

• 11 Cranmore Avenue, Isleworth, TW7 4QW

  P/2026/1513 Submitted 20 May 2026 50 yards away

  Erection of rear roof extension and a hip to gable conversion with a Juliet balcony and two front roof windows, and a two storey side, part first floor and single storey rear extension with a front porch to the house.

  Granted Householder Extension Loft or dormer +1 12 docs
  Small domestic

• 12 CRANMORE AVENUE, ISLEWORTH, TW7 4QW

  P/2021/2494 Submitted 18 Jun 2021 50 yards away

  t1-Silver Birch Crown Reduction - Reducing the height and spread of the tree by up to 2m. Remove deadwood. General maintenance.

  Withdrawn Trees 2 docs

• 2A CRANMORE AVENUE, ISLEWORTH, TW7 4QW

  P/2021/3333 Submitted 17 Aug 2021 50 yards away

  T1 - Sycamore: Fell tree to ground level

  Granted Trees 3 docs

• 18 Cranmore Avenue, Isleworth, TW7 4QW

  PA/2024/3490 Submitted 19 Oct 2024 50 yards away

  Ground floor rear extension 6.00 metres deep, maximum height 2.90 metres, 2.90 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