18 BASILDENE ROAD, HOUNSLOW, TW4 7LE

1. 7 Jul 2021

   Received by Hounslow

2. 11 Aug 2021

   Decision issued: PRIOR APPROVAL IS NOT REQUIRED

3. 16 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 11 August 2021, 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.

• 12 Legrace Avenue, Hounslow, TW4 7RS

  P/2026/0887 Submitted 17 Mar 2026 50 yards away

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

  Refused Householder Extension Loft or dormer +1 6 docs
  Small domestic

• 12 Legrace Avenue, Hounslow, TW4 7RS

  P/2026/2470 Submitted 28 Aug 2026 50 yards away

  75% historically approved · decision due ~23 Oct

  Erection of a two storey side extension, single storey rear extension and part first floor rear extension, together with a hip to gable roof extension, rear roof extension incorporating a Juliet balcony, and installation of four front roof windows to the house

  Awaiting decision Householder Extension Loft or dormer +1 4 docs
  Small domestic

• 12 Legrace Avenue, Hounslow, TW4 7RS

  PA/2025/3789 Submitted 22 Dec 2025 50 yards away

  Ground floor rear extension 6.00 metres deep, maximum height of 3.50 metres, 2.70 metres high to the eaves

  Granted Prior approval Extension 5 docs

• 12 Legrace Avenue, Hounslow, TW4 7RS

  P/2025/3790 Submitted 22 Dec 2025 50 yards away

  Certificate of lawfulness proposed for the erection of a hip to gable and rear roof extension with three front roof windows and Juliette balcony, a front porch and a single storey detached outbuilding in the rear garden of the house

  Granted Lawful development Extension Loft or dormer +1 5 docs
  Small domestic

• 17 Basildene Road, Hounslow, TW4 7LF

  PA/2026/1037 Submitted 30 Mar 2026 100 yards away

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

  Granted Prior approval Extension 6 docs

• 76 Francis Road, Hounslow, TW4 7JS

  P/2024/3906 Submitted 21 Nov 2024 100 yards away

  Conversion of the existing single family house into two residential units with associated car parking, private amenity, cycle and refuse storage.

  Granted Full applications 9 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