The Powerhouse 21 Woodthorpe Road Ashford TW15 2RP

1. 21 Dec 2022

   Received by Spelthorne

2. 11 Jan 2023

   Validated

   Checked as complete and ready for consideration.

3. 17 Mar 2023

   Decision issued: Grant Conditional

4. 30 Jul 2026

   Added to PlanIndex

Spelthorne granted permission on 17 March 2023, 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.

• 21 Woodthorpe Road, Ashford, TW15 2RP

  12/00544/FUL Submitted 25 Apr 2012 13m away

  First floor extension to existing two storey office block and additional windows in existing north and south elevations.

  Granted Full applications Extension Windows or glazing 5 docs

• 5-7 & 9 Station Approach & 21 Woodthorpe Road Ashford TW15 2QN

  24/01089/FUL Submitted 9 Sep 2024 14m away

  Demolition of existing office buildings, and construction of 35 new residential units together with Class E (Commercial, Business and Service), associated amenity and parking.

  Granted Full applications Demolition 154 docs

• Rooftop Of Imtech House Woodthorpe Road Ashford TW15 2RH

  21/00216/FUL Submitted 10 Feb 2021 48m away

  Rooftop installation of 2 no. support poles (measuring 6.74m in height), 3 no. antenna, 2.no dishes, 1 no. cabinet, works within an internal room and development ancillary thereto.

  Granted Full applications 11 docs

• 9 Woodthorpe Road Ashford TW15 2RL

  26/00176/CPD Submitted 20 Feb 2026 84m away

  Certificate of Lawfulness for the proposed use of the ground floor as a hairdresser. As shown on the site location plan and block plan received 20.02.2026.

  Granted Lawful development 9 docs

• 39 Woodthorpe Road Ashford TW15 2RP

  26/00532/HOU Submitted 21 May 2026 88m away

  Erection of a single storey extension to an existing rear garden outbuilding to be used ancillary to the main residential house.

  Granted Householder Extension 13 docs
  Small domestic

• Retail Warehouse Stanwell Road Ashford TW15 3DT

  22/01410/ADV Submitted 11 Oct 2022 90m away

  Retrospective application for the display of 1 no. 7.5m high illuminated totem sign

  Granted Advertising 17 docs

• 26/00763/HOU Decided

  Lauraleen Halliford Road Sunbury-on-Thames TW16 6DG

  Erection of a single storey rear extension. Single storey front porch extension. Loft conversion facilitated by hip to gable extensions with extension of roof over existing garage. Part garage conversion. Rear facing dormer and 2 no. front facing rooflights. Erection of outbuilding in rear garden for incidental use.

  21 Jul 2026 Householder
• 26/00659/HOU Refused

  15 Moorhayes Drive Laleham Staines-upon-Thames TW18 1SL

  Loft conversion incorporating a roof extension with crown roof structure, alterations to the roofline to provide accommodation in the roof space and a single-storey side/rear extension (following demolition of existing side garage) (as shown on plans: Land Registry Location Plan received 23.06.2026 and 1003; 1004; Ground Floor Plans; First Floor Plans; Roof Plans received 15.07.2026)

  23 Jun 2026 Householder
• 26/00952/HOU Awaiting decision

  41 Napier Road Ashford TW15 1TQ

  Erection of a two-storey side extension. Relocation of front door and render to first-floor of original dwelling.

  10 Sep 2026 Householder
• 26/00950/HOU Awaiting decision

  50 Roper Crescent Sunbury-on-Thames TW16 5BA

  Erection of single storey rear extension. Following removal of existing pergola.

  9 Sep 2026 Householder
• 26/00718/HOU Decided

  94 Knightsbridge Crescent Staines-upon-Thames TW18 2QR

  Erection of a single storey side extension

  9 Jul 2026 Householder