15 Saxonbury Avenue Sunbury-on-Thames TW16 5EY

1. 11 Dec 2025

   Received by Spelthorne

2. 18 Feb 2026

   Decision issued: Grant Conditional

3. 11 Aug 2026

   Added to PlanIndex

Spelthorne granted permission on 18 February 2026, 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.

• 7 Saxonbury Avenue Sunbury-on-Thames TW16 5EY

  26/00060/HOU Submitted 21 Jan 2026 50 yards away

  Erection of a two storey side extension and single storey rear extension (following demolition of existing detached garage and shed).

  Refused Householder Extension Demolition 18 docs
  Small domestic

• 24 The Avenue Sunbury-on-Thames TW16 5ES

  21/01218/HOU Submitted 26 Jul 2021 50 yards away

  Erection of a two storey side and rear extension, following demolition of existing garage and habitable accommodation within the roof with a rear facing dormer.

  Granted Householder Extension Loft or dormer +1 17 docs
  Domestic

• 29 Saxonbury Avenue Sunbury-on-Thames TW16 5EY

  21/01142/HOU Submitted 12 Jul 2021 50 yards away

  Erection of part two storey, part single storey side and front extension, two storey rear extension following demolition of garage and car port.

  Refused Householder Extension Demolition 14 docs
  Small domestic

• 18 The Avenue Sunbury-on-Thames TW16 5ES

  23/00065/HOU Submitted 19 Jan 2023 100 yards away

  Erection of a single storey rear extension

  Granted Householder Extension 17 docs
  Small domestic

• 36 The Avenue Sunbury-on-Thames TW16 5ES

  25/01546/TPO Submitted 29 Dec 2025 100 yards away

  TPO 030 SUN - T113 - (Shown as T1 on plan) Horse chestnut - Crown reduce to old points of reduction by removing 2m from the height and 3m from the width and tree will stand at 15m tall with a width of 10m.

  Granted Trees 7 docs

• 24 The Avenue Sunbury-on-Thames TW16 5ES

  21/01218/DC1 Submitted 26 Apr 2023 100 yards away

  Details pursuant to condition 2 (materials) and 4 (obscure glazing details) reserved from planning permission 21/01218/HOU.

  Granted Conditions Windows or glazing 7 docs

• 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
• 26/01090/HOU Awaiting decision

  12 Manor Park Staines-upon-Thames TW18 4XE

  Garage conversion into habitable space, facilitated by the bricking up of shutter door and 2 no. replacement windows and 2 no. rooflights in garage roof. External steel accessible ramp. Changes to fenestration. Internal accessible lift and associated alterations. New hardstanding on front driveway.

  Received 20 Oct, published by the council 21 Oct 2026 Householder
• 26/00900/HOU Granted

  36 Saddlebrook Park Sunbury-on-Thames TW16 7NG

  Erection of a single storey rear extension and new side door

  Received 26 Aug, published by the council 2 Sep 2026 Householder