20 St Margarets Avenue Ashford TW15 1DR

This site has had 4 applications since 2021: 2 approved, 1 refused.

• 26/00702/HOU Decided

  20 St Margarets Avenue Ashford TW15 1DR

  Erection of a first floor extension to the existing bungalow with a new roof, a part single storey part two storey rear extension with associated alterations to the materials, roofs, windows and doors (part-retrospective) (To address previously refused application: 25/01089/HOU)

  Decided 28 Aug 2026 Householder
• 22/00368/DC1 Granted

  20 St Margarets Avenue Ashford TW15 1DR

  Discharge of condition 2 (materials) relating to planning permission 22/00368/HOU

  Decided 8 Jan 2025 Conditions
• 21/00983/PDH Granted

  20 St Margarets Avenue Ashford TW15 1DR

  Prior Approval Notification for a single storey rear extension measuring 8 metres in depth beyond the rear wall of the original dwelling house measuring a maximum height of 2.7 metres and a height to the eaves of 2.7 metres. (As shown on: Location Plan, TSL/20/YOG/01, TSL/20/YOG/02, TSL/20/YOG/03, received 28.06.2021)

  Decided 6 Aug 2021 Prior approval

1. 4 Sep 2025

   Received by Spelthorne

2. 30 Oct 2025

   Decision issued: Application Refused

3. 11 Aug 2026

   Added to PlanIndex

1 later application on the register refers to this one:

• 26/00702/HOU Decided

  20 St Margarets Avenue Ashford TW15 1DR

  Erection of a first floor extension to the existing bungalow with a new roof, a part single storey part two storey rear extension with associated alterations to the materials, roofs, windows and doors (part-retrospective) (To address previously refused application: 25/01089/HOU)

  Decided 28 Aug 2026 Householder

• Application: 22/00368/DC1 (Decided)
• Application: 22/00368/HOU (Decided (Approved))

Spelthorne refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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.

• 20 St Margarets Avenue Ashford TW15 1DR

  21/00983/PDH Submitted 10 Jun 2021 50 yards away

  Prior Approval Notification for a single storey rear extension measuring 8 metres in depth beyond the rear wall of the original dwelling house measuring a maximum height of 2.7 metres and a height to the eaves of 2.7 metres. (As shown on: Location Plan, TSL/20/YOG/01, TSL/20/YOG/02, TSL/20/YOG/03, received 28.06.2021)

  Granted Prior approval Extension 9 docs
  Small domestic

• 20 St Margarets Avenue Ashford TW15 1DR

  22/00368/DC1 Submitted 12 Nov 2024 50 yards away

  Discharge of condition 2 (materials) relating to planning permission 22/00368/HOU

  Granted Conditions 7 docs

• 24 St Margarets Avenue Ashford TW15 1DR

  25/01451/HOU Submitted 4 Dec 2025 50 yards away

  Erection of a single storey side/rear extension. Following removal of existing conservatory. Changes to ground floor fenestration.

  Granted Householder Extension Windows or glazing 6 docs
  Small domestic

• 20 St Margarets Avenue Ashford TW15 1DR

  26/00702/HOU Submitted 6 Jul 2026 50 yards away

  Erection of a first floor extension to the existing bungalow with a new roof, a part single storey part two storey rear extension with associated alterations to the materials, roofs, windows and doors (part-retrospective) (To address previously refused application: 25/01089/HOU)

  Decided Householder Extension Roofing +1 29 docs
  Small domestic

• 35 Oakfield Road Ashford TW15 1DN

  25/01079/FUL Submitted 4 Sep 2025 50 yards away

  Change of use from a Residential Dwelling (Use Class C3) to a children and young adult's care home (Use Class C2)

  Refused Full applications 18 docs
  Domestic

• 11 St Margarets Avenue Ashford TW15 1DR

  23/00106/HOU Submitted 26 Jan 2023 50 yards away

  Erection of a single storey side and rear extension (following demolition of existing outbuilding).

  Granted Householder Extension Demolition 12 docs
  Small domestic

• 26/00816/HOU Granted

  55 Nursery Gardens Staines-upon-Thames TW18 1EJ

  Proposed first floor side and rear extension and partial conversion of garage to habitable accommodation

  Received 4 Aug, published by the council 8 Aug 2026 Householder
• 26/00914/HOU Granted

  53 Gordon Road Ashford TW15 3ES

  Erection of a single storey side and rear wraparound extension, connecting to existing detached garage. Following removal of existing conservatory. Rear timber brise soleil. Alterations to front driveway.

  Received 31 Aug, published by the council 7 Sep 2026 Householder
• 26/00869/HOU Decided

  Cherry Tree Cottage Halliford Road Sunbury-on-Thames TW16 6DG

  Erection of single storey side extension and front extension (following demolition of existing conservatory, side utility and front porch) New roof comprising ridge height increase and 2 no. side facing dormers (as shown on plan no's 05a rec'd 27.08.2026 and location plan, block plan, 01, 03 and 04 rec'd 17.08.2026) .

  Received 17 Aug, published by the council 31 Aug 2026 Householder
• 26/00925/HOU Granted

  73A Parkland Grove Ashford TW15 2JF

  Conversion and extension of existing garage to provide a garden office with shower room with new roof

  Received 2 Sep, published by the council 18 Sep 2026 Householder
• 26/00894/HOU Granted

  288 Feltham Hill Road Ashford TW15 1LN

  Erection of a two-storey side extension and a part two-storey, part single storey rear extension. Loft conversion with 1 no. rear facing dormer and 4 no. rooflights. Front porch extension and new vehicle crossover with associated driveway alterations.

  Received 25 Aug, published by the council 31 Aug 2026 Householder