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
• 25/01089/HOU Refused

  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)

  Decided 30 Oct 2025 Householder
• 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. 12 Nov 2024

   Received by Spelthorne

2. 8 Jan 2025

   Decision issued: Condition NOT discharged

3. 25 Sep 2026

   Added to PlanIndex

Spelthorne granted permission on 8 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.

This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.

• 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

• 20 St Margarets Avenue Ashford TW15 1DR

  25/01089/HOU Submitted 4 Sep 2025 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)

  Refused Householder Extension Roofing +1 13 docs
  Small domestic

• 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 10 docs
  Small domestic

• 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

• 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

• 98 Feltham Road Ashford TW15 1DP

  21/01110/CPD Submitted 7 Jul 2021 100 yards away

  Certificate of Lawfulness for the proposed development of a rear facing dormer with a juliet balcony and 2 no roof light within the front roof slope.

  Granted Lawful development Loft or dormer 13 docs

• 26/00666/DC1 Awaiting decision

  Clonskeagh Russell Road Shepperton TW17 9HS

  Discharge of condition 2 (materials) relating to planning permission 26/00666/LBC

  Received 11 Sep, published by the council 25 Sep 2026 Conditions
• 26/00665/DC1 Awaiting decision

  Clonskeagh Russell Road Shepperton TW17 9HS

  Discharge of condition 2 (materials) relating to planning permission 26/00665/HOU

  Received 9 Sep, published by the council 25 Sep 2026 Conditions
• 24/01321/DC2 Awaiting decision

  Park House 17 - 19 Park Road Sunbury-on-Thames TW16 5BX

  Discharge of condition 12 (Contamination Report) relating to planning permission 24/01321/FUL

  Received 3 Sep, published by the council 14 Sep 2026 Conditions
• 25/00436/DC2 Awaiting decision

  Ian Allan Group Terminal House Station Approach Shepperton TW17 8AS

  Discharge of Conditions 2) Contamination Desk Study and 8) Refuse & recycling storage details of Prior Approval 25/00436/PAP

  Received 28 Aug, published by the council 25 Sep 2026 Conditions
• 23/00070/DC3 Granted

  Land Adjacent To Hazelwood Hazelwood Drive Sunbury-on-Thames TW16 6QU

  Discharge of condition 9 (off-site highway improvements) of application 23/00070/FUL

  Received 27 Nov, published by the council 30 Jul 2026 Conditions