31 PARK AVENUE, HOUNSLOW, TW3 2LY

1. 24 May 2021

   Received by Hounslow

2. 2 Jul 2021

   Decision issued: GRANTED (FULL PLANNING PERMISSION NOT REQUIRED)

3. 23 Sep 2026

   Added to PlanIndex

Hounslow granted permission on 2 July 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.

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.

• 28 Park Avenue Hounslow Richmond Upon Thames TW3 2LX

  04/3124/HOT Submitted 28 Sep 2004 50 yards away

  Proposed first floor flank extension.

  Granted Householder Extension 6 docs
  Domestic

• 44 Park Avenue, Hounslow TW3 2LX

  PA26/0488 Submitted 12 Feb 2026 50 yards away

  Lawful development certificate for the existing rear roof dormer, hip-to-gables and 4no. front rooflights.

  Granted Lawful development Loft or dormer 10 docs

• 3 HAMILTON CRESCENT, HOUNSLOW, TW3 2LJ

  P/2023/0297 Submitted 31 Jan 2023 50 yards away

  Certificate of lawfulness for the use of one room as office for taxi services

  Granted Lawful development 7 docs

• 80 ARGYLE AVENUE, HOUNSLOW, TW3 2LN

  PA/2023/0680 Submitted 2 Mar 2023 100 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

• 76 Argyle Avenue, Hounslow, TW3 2LN

  P/2026/1490 Submitted 18 May 2026 100 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 100 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

• 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