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

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 64m away

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

  Granted Householder Extension 12 docs
  Domestic

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

  24/01017/HOU Submitted 23 Aug 2024 77m 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

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

  11/00570/HOU Submitted 1 Aug 2011 86m 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 97m 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

• 11 Riverway Laleham Staines-upon-Thames TW18 2SJ

  24/01197/HOU Submitted 8 Oct 2024 120m away

  Proposed rear annexe outbuilding

  Refused Householder 17 docs
  Small domestic

• 13 Riverway Laleham Staines-upon-Thames TW18 2SJ

  24/01196/HOU Submitted 8 Oct 2024 122m away

  Proposed rear outbuilding annexe

  Refused Householder 9 docs
  Small domestic

• 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)

  4 May 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.

  26 Feb 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)

  14 Apr 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.

  28 Apr 2026 Lawful development
• 26/00575/CLD Refused

  96 Groveley Road Sunbury-on-Thames TW16 7LB

  Certificate of Lawfulness for an existing development and use for a ground floor rear extension, roof alterations including a rear roof dormer and a hip to gable conversion with insertion of rooflights, and use as a small HMO (use class C4)

  2 Jun 2026 Lawful development