12 The Avenue Laleham Staines-upon-Thames TW18 2SE

1. 20 Nov 2024

   Received by Spelthorne

2. 14 Jan 2025

   Decision issued: Grant Conditional

3. 25 Sep 2026

   Added to PlanIndex

Spelthorne granted permission on 14 January 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.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 6 Hereford Close Laleham Staines-upon-Thames TW18 2SA

  26/00317/HOU Submitted 26 Mar 2026 100 yards away

  Single storey front, side and rear extension.

  Granted Householder Extension 14 docs
  Small domestic

• 219 Staines Road Laleham Staines-upon-Thames TW18 2RS

  23/00176/HOU Submitted 14 Feb 2023 150 yards away

  Erection of single-storey detached garden room

  Granted Householder 11 docs
  Small domestic

• 175 Staines Road Laleham Staines-upon-Thames TW18 2SD

  23/00440/CPD Submitted 4 Apr 2023 150 yards away

  Certificate of lawfulness for proposed development of a loft conversion to include a hip to gable extension, a rear facing dormer and 3 no. roof lights in the front elevation.

  Granted Lawful development Extension Loft or dormer 12 docs

• 225 Staines Road Laleham Staines-upon-Thames TW18 2RS

  25/01431/HOU Submitted 28 Nov 2025 150 yards away

  Erection of single storey side/rear extension, new flat roof over existing extension with associated internal alterations.

  Granted Householder Extension 9 docs
  Small domestic

• 12 The Ryde Laleham Staines-upon-Thames TW18 2SL

  23/00439/HOU Submitted 4 Apr 2023 200 yards away

  Removal of existing dormer windows and erection of two new dormer windows to side roof slopes

  Refused Householder Loft or dormer Windows or glazing 20 docs
  Domestic

• Penton Hook Farm Penton Hook Road Staines-upon-Thames TW18 2HU

  21/00811/FUL Submitted 17 May 2021 200 yards away

  Conversion of the existing outbuilding, currently used as garages, into two residential units with separate access, with associated parking spaces, refuse storage, and cycle storage.

  Refused Full applications 59 docs

• 26/00808/HOU Decided

  49 French Street Sunbury-on-Thames TW16 5JL

  Erection of single storey rear extension.

  Received 31 Jul, published by the council 18 Aug 2026 Householder
• 26/00855/HOU Decided

  67 Laleham Road Staines-upon-Thames TW18 2EA

  Single storey side/rear extension (following demolition of existing rear extension) and two rooflights on rear/side roof and replacement of existing window frames with grey aluminium framed windows and partial garage conversion to WC

  Received 11 Aug, published by the council 12 Aug 2026 Householder
• 26/00827/HOU Decided

  63 Chaplin Crescent Sunbury-on-Thames TW16 7JD

  Erection of a single storey rear and side extension

  Received 5 Aug, published by the council 12 Aug 2026 Householder
• 26/00693/HOU Decided

  64 Ashford Avenue Ashford TW15 2BD

  Proposed double storey side extension, single storey rear extension, addition of a first floor and loft conversion with two flank dormers to turn existing bungalow into a three storey dwelling

  Received 3 Jul, published by the council 3 Aug 2026 Householder
• 26/00755/HOU Decided

  Tudor House Shortwood Common Leacroft Staines-upon-Thames TW18 4NS

  Proposed single storey side and part rear extension following demolition of garage to provide living accommodation

  Received 20 Jul, published by the council 30 Jul 2026 Householder