99 Basildene Road, Hounslow, TW4 7LX

This site has had 2 applications since 2026: 2 approved, 0 refused.

• PA/2026/1584 Granted

  99 Basildene Road, Hounslow, TW4 7LX

  Ground floor rear extension 6.00 metres deep, maximum height of 3.30 metres, 3.00 metres high to the eaves

  Decided 6 Jul 2026 Prior approval

1. 27 May 2026

   Received by Hounslow

2. 5 Jun 2026

   Validated

   Checked as complete and ready for consideration.

3. 23 Jul 2026

   Decision issued: GRANT

4. 26 Jul 2026

   Added to PlanIndex

Hounslow granted permission on 23 July 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.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 99 Basildene Road, Hounslow, TW4 7LX

  PA/2026/1584 Submitted 27 May 2026 0m away

  Ground floor rear extension 6.00 metres deep, maximum height of 3.30 metres, 3.00 metres high to the eaves

  Granted Prior approval Extension 5 docs

• 92 Basildene Road, Hounslow, TW4 7LU

  P/2026/1109 Submitted 7 Apr 2026 42m away

  66% historically approved · decision due ~7 Jul

  Erection of a two storey house fronting Marnell Way following the demolition of the garage

  Awaiting decision Full applications Demolition 11 docs

• 24 MARNELL WAY, HOUNSLOW, TW4 7LY

  P/2022/3632 Submitted 14 Nov 2022 97m away

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

  Refused Lawful development 5 docs
  Small domestic

• 45 CLIFFORD ROAD, HOUNSLOW, TW4 7LS

  P/2023/0043 Submitted 4 Jan 2023 103m away

  Erection of a hip to gable and rear roof extension with two front roof windows to the house

  Granted Householder Extension Loft or dormer +1 11 docs
  Domestic

• 7 MARNELL WAY, HOUNSLOW, TW4 7LZ

  P/2021/2681 Submitted 30 Jun 2021 103m away

  Certificate of lawfulness for the proposed erection of a single storey detached outbuilding in the rear end of the garden to the house

  Granted Lawful development 6 docs
  Small domestic

• 33 Clifford Road, Hounslow, TW4 7LS

  P/2026/0397 Submitted 9 Feb 2026 124m away

  Conversion of the house into two self contained flats

  Refused Full applications New dwelling 12 docs

• P/2026/2118 Granted

  54 Amhurst Gardens, Isleworth, TW7 6AJ

  Certificate of lawfulness for the proposed erection of a rear roof extension with front roof windows.

  20 Jul 2026 Lawful development
• P/2026/2580 Awaiting decision

  50B Paxton Road, Chiswick, London, W4 2QX

  Certificate of lawfulness for the existing use of a first floor self contained flat.

  10 Sep 2026 Lawful development
• P/2026/2332 Granted

  43 Dawes Avenue, Isleworth, TW7 7JS

  Certificate of Lawfulness for the proposed hip to gable conversion, front roof lights and erection of a rear roof extension to the house.

  12 Aug 2026 Lawful development
• P/2026/2089 Granted

  18 Central Avenue, Hounslow, TW3 2QH

  Certificate of lawfulness for the existing use of the rear extension as a self contained flat.

  17 Jul 2026 Lawful development
• P/2026/2566 Awaiting decision

  109 Wood Lane, Isleworth, TW7 5EG

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

  9 Sep 2026 Lawful development