3 HAMILTON CRESCENT, HOUNSLOW, TW3 2LJ

1. 31 Jan 2023

   Received by Hounslow

2. 2 Feb 2023

   Validated

   Checked as complete and ready for consideration.

3. 16 Feb 2023

   Decision issued: GRANTED (FULL PLANNING PERMISSION NOT REQUIRED)

4. 23 Sep 2026

   Added to PlanIndex

Hounslow granted permission on 16 February 2023, 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.

• 76 Argyle Avenue, Hounslow, TW3 2LN

  P/2026/1490 Submitted 18 May 2026 50 yards away

  Certificate of Lawfulness for the proposed erection of a rear roof extension, including a hip-to-gable roof conversion and installation of three front roof windows, erection of a front porch, and erection of a single-storey detached outbuilding in the rear garden.

  Granted Lawful development Extension Loft or dormer +1 11 docs
  Small domestic

• 76 Argyle Avenue, Hounslow, TW3 2LN

  PA/2026/1491 Submitted 18 May 2026 50 yards away

  Ground floor rear extension 6.00 metres deep, maximum height of 3.00 metres, 2.82 metres high to the eaves

  Granted Prior approval Extension 4 docs

• 76 Argyle Avenue, Hounslow, TW3 2LN

  P/2026/2400 Submitted 19 Aug 2026 50 yards away

  76% historically approved · decision due ~29 Oct

  Erection of a two storey side and rear extension.

  Awaiting decision Householder Extension 7 docs
  Domestic

• 80 ARGYLE AVENUE, HOUNSLOW, TW3 2LN

  PA/2023/0680 Submitted 2 Mar 2023 50 yards away

  Ground floor rear extension 6.00 metres deep, maximum height 2.95 metres, 2.95 metres high to the eaves

  Granted Prior approval Extension 6 docs

• 31 PARK AVENUE, HOUNSLOW, TW3 2LY

  P/2021/2068 Submitted 24 May 2021 50 yards away

  Certificate of Lawfulness for the erection of a side and rear roof extension to the house

  Granted Lawful development Extension 9 docs

• 32 Carrington Avenue, Hounslow, TW3 2LG

  P/2026/0613 Submitted 23 Feb 2026 100 yards away

  Erection of a single storey rear extension, two side roof extensions

  Refused Householder Extension 12 docs
  Small domestic

• P/2026/2675 Awaiting decision

  17 Saxon Avenue, Feltham, TW13 5JJ

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

  Received 21 Sep, published by the council 23 Sep 2026 Lawful development
• P/2026/2668 Awaiting decision

  45 Shelley Crescent, Hounslow, TW5 9BQ

  Certificate of lawfulness for the proposed erection of a detached outbuilding in the rear garden.

  Received 21 Sep, published by the council 23 Sep 2026 Lawful development
• P/2026/2651 Awaiting decision

  3 Clayponds Avenue, Brentford, TW8 9QQ

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

  Received 17 Sep, published by the council 20 Sep 2026 Lawful development
• P/2026/2627 Awaiting decision

  23 Elmgate Avenue, Feltham, TW13 7BU

  Certificate of lawfulness for the proposed change of use from residential house Class C3a to a residential home for up to 3 young people aged between 7 and 18 Class C2

  Received 15 Sep, published by the council 20 Sep 2026 Lawful development
• P/2026/2631 Awaiting decision

  17 Northumberland Avenue, Isleworth, TW7 5HZ

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

  Received 15 Sep, published by the council 20 Sep 2026 Lawful development