16 Cardington Square, Hounslow, TW4 6AH

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

• P/2026/0692 Granted

  16 Cardington Square, Hounslow, TW4 6AH

  Certificate of lawfulness for proposed hip-to-gable conversion and rear roof extension with two front roof windows. Erection of outbuilding in rear garden for use as garden storage, office and gym.

  Decided 20 Apr 2026 Lawful development

1. 2 Mar 2026

   Received by Hounslow

2. 31 Mar 2026

   Decision issued: PRIOR APPROVAL IS NOT REQUIRED

3. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 31 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.

• 16 Cardington Square, Hounslow, TW4 6AH

  P/2026/0692 Submitted 2 Mar 2026 0m away

  Certificate of lawfulness for proposed hip-to-gable conversion and rear roof extension with two front roof windows. Erection of outbuilding in rear garden for use as garden storage, office and gym.

  Granted Lawful development Extension Loft or dormer +1 9 docs

• 18 Cardington Square, Hounslow, TW4 6AH

  P/2026/1410 Submitted 11 May 2026 4m away

  Erection of roof extension and a two storey side and single storey rear extension to the house. Following the demolition of the garage.

  Granted Householder Extension Demolition 16 docs
  Small domestic

• 18 Cardington Square, Hounslow, TW4 6AH

  PA/2026/0696 Submitted 2 Mar 2026 4m away

  Ground floor rear extension 6.00 metres deep, maximum height 3.00 metres, 2.85 metres high to the eaves.

  Granted Prior approval Extension 9 docs

• 18 Cardington Square, Hounslow, TW4 6AH

  P/2026/0695 Submitted 2 Mar 2026 4m away

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

  Granted Lawful development Extension Loft or dormer +1 9 docs

• 26 Cardington Square, Hounslow, TW4 6AH

  P/2024/3253 Submitted 28 Sep 2024 38m away

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

  Granted Lawful development Extension Loft or dormer +1 8 docs

• 148 Cardington Square, Hounslow, TW4 6AL

  P/2025/3681 Submitted 11 Dec 2025 110m away

  Erection of a part first floor rear extension to the house.

  Refused Householder Extension 10 docs
  Domestic

• PA/2026/2167 Granted

  2 Church Walk, Brentford, TW8 8DB

  Ground floor rear extension 4.50 metres deep, maximum height 4.00 metres, 3.00 metres high to the eaves.

  24 Jul 2026 Prior approval
• PA/2026/2475 Awaiting decision

  4 Upton Road, Hounslow, TW3 3HP

  GS868133219 - Ground floor rear extension 6.00 metres deep, maximum height of 3.00 metres, 3.00 metres high to the eaves

  1 Sep 2026 Prior approval
• PA/2026/2481 Awaiting decision

  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

  1 Sep 2026 Prior approval
• PA/2026/2458 Awaiting decision

  82 Ringway, Southall, UB2 5SU

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

  28 Aug 2026 Prior approval
• PA/2026/2461 Awaiting decision

  24 Kingston Avenue, Feltham, TW14 9SL

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

  28 Aug 2026 Prior approval