7 Claremont Avenue Sunbury-on-Thames TW16 5LX

1. 3 Nov 2025

   Received by Spelthorne

2. 15 Dec 2025

   Decision issued: Grant Conditional

3. 11 Aug 2026

   Added to PlanIndex

• Application: 99/00829/FUL (Decided (Approved))

Spelthorne granted permission on 15 December 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.

• 8 Allen Close Sunbury-on-Thames TW16 5LT

  26/00499/CPD Submitted 15 May 2026 50 yards away

  Certificate of Lawfulness for the proposed single storey side extension, and single storey rear extension.

  Granted Lawful development Extension 9 docs
  Small domestic

• 8 Allen Close Sunbury-on-Thames TW16 5LT

  26/00749/HOU Submitted 17 Jul 2026 100 yards away

  Erection of a single storey side/rear wraparound extension, and single storey front porch.

  Decided Householder Extension 14 docs
  Small domestic

• 40 Manor Lane Sunbury-on-Thames TW16 5EG

  26/00115/HOU Submitted 5 Feb 2026 100 yards away

  Single storey rear extension to replace existing conservatory, retain chimney breast.

  Granted Householder Extension 7 docs
  Small domestic

• 63 Manor Lane Sunbury-on-Thames TW16 5EB

  25/01193/HOU Submitted 30 Sep 2025 100 yards away

  Erection of a first floor side extension with accommodation in the roof space.

  Granted Householder Extension 16 docs
  Domestic

• 118 The Avenue Sunbury-on-Thames TW16 5EA

  24/00801/RVC Submitted 5 Jul 2024 150 yards away

  Retrospective application to vary condition 3 (approved plans) and 5 (no further openings) of planning permission 21/00674/HOU (for the erection of a part single storey, part two storey, rear extensions, new roof over comprising increase ridge height and installation of side rear and front facing dormers and single storey side/front extension), to retain increase in front gable height, increase in height and forward project of single storey side/front extension, increase in size of porch and other alterations.

  Granted Amendments Extension Loft or dormer +1 22 docs
  Small domestic

• 122 The Avenue Sunbury On Thames TW16 5EA

  19/01450/HOU Submitted 24 Oct 2019 150 yards away

  Replacement roof over dwelling with higher ridge, gable ends and 3 no. rear facing dormers.

  Granted Householder Loft or dormer Roofing 9 docs
  Domestic

• 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
• 26/00893/HOU Granted

  5 Camilla Close Sunbury-on-Thames TW16 7PZ

  Part retrospective single storey side extension

  Received 25 Aug, published by the council 2 Sep 2026 Householder