33 Heathcroft Avenue Sunbury-on-Thames TW16 7SP

1. 3 Oct 2025

   Received by Spelthorne

2. 24 Nov 2025

   Decision issued: Grant Cert Lawful Prop Use/Dev

3. 11 Aug 2026

   Added to PlanIndex

Spelthorne granted permission on 24 November 2025, 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.

• 59 Staines Road West Sunbury-on-Thames TW16 7AG

  21/00984/FUL Submitted 11 Jun 2021 50 yards away

  Proposed development of rear car park to provide a new Nursery School.

  Refused Full applications 22 docs

• 49 Heathcroft Avenue Sunbury-on-Thames TW16 7SR

  21/00923/CPD Submitted 2 Jun 2021 50 yards away

  Certificate of Lawfulness for the proposed development of a carport

  Granted Lawful development 8 docs

• 35 The Parade Staines Road West Sunbury-on-Thames TW16 7AB

  25/01437/FUL Submitted 1 Dec 2025 100 yards away

  Erection of a single storey rear extension to ground floor commercial unit.

  Granted Full applications Extension 9 docs
  Small domestic

• 13 The Parade Staines Road West Sunbury On Thames TW16 7AB

  21/00221/FUL Submitted 10 Feb 2021 100 yards away

  Change of use from Class E (Formerly A1) (grocery shop) to Sui Generis (Formerly A5) hot food takeaway with associated ventilation equipment at the rear.

  Granted Full applications 21 docs

• 51 Staines Road West Sunbury-on-Thames TW16 7AH

  25/01308/CPD Submitted 28 Oct 2025 100 yards away

  Certificate of lawfulness for proposed installation of 48 panel roof mounted solar panels As shown on drawing no's: Site Location Plan and SC/WP/01A; SC/WP/01B; SC/WP/01C received 28.10.2025.

  Granted Lawful development 12 docs

• 57A Staines Road West Sunbury-on-Thames TW16 7AH

  24/00913/FUL Submitted 1 Aug 2024 100 yards away

  Proposed rear and roof extensions to facilitate conversion of the upper parts in 6 no. residential dwelling flats (2x 1-bed, 3 x 2-ded and 1 X 3-bed) with accociated landscaping, parking and bin and cycle storage.

  Granted Full applications New dwelling Extension 24 docs
  Domestic

• 26/00916/CPD Awaiting decision

  9 Alexandra Road Ashford TW15 1TW

  Certificate of Lawfulness for proposed conversion of roof space into habitable room, to include a rear dormer and conversion of roof from hip to gable end and 2 no roof lights on front of roof.

  Received 31 Aug, published by the council 9 Sep 2026 Lawful development
• 26/00452/CLD Granted

  177A Feltham Road Ashford TW15 1BB

  Certificate of Lawfulness for existing use of the ground floor flat as a small HMO (Use Class C4)

  Received 4 May, published by the council 30 Jul 2026 Lawful development
• 26/00200/CLD Granted

  73 Nursery Gardens Staines-upon-Thames TW18 1EL

  Certificate of Lawfulness to establish the lawful use of the property is as a House in Multiple Occupation (Use Class C4) for up to six occupants. As shown on site location plan and block plan no EX-1003 and Pre-Existing Floor Plans (Page 01 of 02) and Existing Floor Plans (Page 02 of 02) received 27.02.2026.

  Received 26 Feb, published by the council 30 Jul 2026 Lawful development
• 26/00383/CPD Refused

  13 Meadow Road Ashford TW15 1PL

  Certificate of lawfulness for proposed change of use from a 6 Person HMO (Class C4) to a 7 Person HMO (Sui-Generis)

  Received 14 Apr, published by the council 30 Jul 2026 Lawful development
• 26/00437/CLD Refused

  4 Sunmead Road Sunbury-on-Thames TW16 6PE

  Certificate of Existing Lawfulness for the conversion of a C3 dwellinghouse to a C4 small 6-person HMO.

  Received 28 Apr, published by the council 30 Jul 2026 Lawful development