18 St Marys Grove, Chiswick, London, W4 3LL

1. 30 Jul 2026

   Received by Hounslow

2. 31 Jul 2026

   Validated

   Checked as complete and ready for consideration.

3. 12 Aug 2026

   Added to PlanIndex

4. 2 Sep 2026

   Status changed to REGISTERED: Under Assessment

   Previously REGISTERED: Under Consultation.

5. 3 Sep 2026

   Decision issued: APPROVED

Hounslow granted permission on 3 September 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 full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 18A ST MARYS GROVE, CHISWICK, LONDON, W4 3LL

  P/2021/2412 Submitted 14 Jun 2021 50 yards away

  Erection of an enlargement to existing basement.

  Granted Full applications 9 docs

• FLAT GROUND FLOOR 9 BURNABY GARDENS, CHISWICK, LONDON, W4 3DS

  P/2021/2431 Submitted 16 Jun 2021 50 yards away

  Erection of a single storey rear infill extension to the ground floor flat.

  Granted Full applications Extension 9 docs
  Small domestic

• 13 Gordon Road, Chiswick, London, W4 3LU

  P/2024/3718 Submitted 7 Nov 2024 100 yards away

  Certificate of Lawfulness for the proposed erection of an outrigger roof extension to the house.

  Granted Lawful development Extension 7 docs

• 13 Gordon Road, Chiswick, London, W4 3LU

  P/2024/1853 Submitted 5 Jun 2024 100 yards away

  Ground floor side infill extension and rear extension.

  Granted Householder Extension 14 docs
  Domestic

• 13 Gordon Road, Chiswick, London, W4 3LU

  P/2024/1852 Submitted 5 Jun 2024 100 yards away

  Certificate of lawfulness for the proposed rear roof extension.

  Granted Lawful development Extension 9 docs

• 37 St Marys Grove, Chiswick, London, W4 3LN

  P/2025/2959 Submitted 2 Oct 2025 100 yards away

  Certificate of Lawfulness for change of use from a House in Multiple Occupation (Class 4) to a house (Class C3a).

  Granted Lawful development 13 docs

• P/2026/1916 Granted

  Police Station, 34 Hanworth Road, Feltham, TW13 5BD

  Replacement of existing vehicular and pedestrian gate with associated new control pedestals, new fencing and posts.

  Received 29 Jun, published by the council 26 Jul 2026 Full applications
• P/2026/2212 Granted

  190 Jersey Road, Isleworth, TW7 4QN

  Change of use of the existing House in Multiple Occupation (Use Class C4) occupied by up to six persons to a large House in Multiple Occupation (Sui Generis) occupied by up to eight persons, with no internal changes.

  Received 29 Jul, published by the council 5 Aug 2026 Full applications
• P/2026/1676 Granted

  Clayponds Open Space, Clayponds Gardens, London, W5 4RQ

  Replacement of ball court (MUGA) to a football foundation play zone, installation of new fencing, lighting and associated equipment

  Received 4 Jun, published by the council 26 Jul 2026 Full applications
• P/2026/2806 Awaiting decision

  COST CHOICE, UNIT 5, HIGH STREET, BRENTFORD,TW8 8LB

  Installation of ATM machine to the shopfront..

  Received 30 Sep, published by the council 6 Oct 2026 Full applications
• P/2026/1648 Refused

  Heathrow House, 785 Bath Road, Hounslow, TW5 9AT

  Change of use from 20 residential apartments (14 x one-bedroom and 6 x two-bedroom) to serviced accommodation across three floors 2,3 and 4 of the building.

  Received 3 Jun, published by the council 26 Jul 2026 Full applications