7 Balmoral Grange Thames Side Laleham Staines-upon-Thames TW18 2JJ

1. 13 Nov 2025

   Received by Spelthorne

2. 19 Dec 2025

   Decision issued: Grant Cert Lawful Prop Use/Dev

3. 11 Aug 2026

   Added to PlanIndex

• Application: STAINES/FUL/P14832 (Decided (Approved))

Spelthorne granted permission on 19 December 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.

• 170 Thames Side Laleham Staines-upon-Thames TW18 2JH

  21/00988/HOU Submitted 14 Jun 2021 50 yards away

  Front extension with new balcony over. Extend existing balcony to run flush with new balcony.

  Granted Householder Extension 11 docs
  Domestic

• 171 Thames Side Laleham Staines-upon-Thames TW18 2JH

  24/01017/HOU Submitted 23 Aug 2024 100 yards away

  Creation of new balcony and balustrading to front elevation, new balustrading to existing balcony, formation of new driveway and front and side boundary walls and entrance gates, alterations to fenestration and other external alterations.

  Granted Householder Windows or glazing 19 docs
  Domestic

• 182 Thames Side Laleham Staines-upon-Thames TW18 2JH

  26/00972/TPO Submitted 17 Sep 2026 100 yards away

  TPO/27/STA G001 - Copper Beech - reduce tree by approximately 20% leaving a crown spread of no less than 5 metres and a finished height of no less than 12 metres.

  Granted Trees 3 docs

• 14 Cleveland Drive, Laleham, Staines, TW18 2SW

  11/00570/HOU Submitted 1 Aug 2011 100 yards away

  Erection of two storey rear extension and single storey side extension.

  Granted Householder Extension 8 docs
  Small domestic

• 123 Staines Road Laleham Staines-upon-Thames TW18 2SS

  26/00357/CPD Submitted 2 Apr 2026 100 yards away

  Certificate of Lawfulness for the proposed garage conversion, with associated bricking up of garage door and replacement window.

  Granted Lawful development Windows or glazing 10 docs

• Arcadia Riverway Laleham TW18 2JD

  24/01374/FUL Submitted 20 Nov 2024 100 yards away

  Retrospective Planning permission for 2no. lodges that have been rebuilt following removal of existing mobile homes.

  Refused Full applications 24 docs

• 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
• 26/00913/CPD Awaiting decision

  Engenica House Wraysbury Reservoir Coppermill Road TW19 5NW

  Certificate of lawfulness for proposed extension of existing car park

  Received 28 Aug, published by the council 7 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