175 The Avenue Sunbury-on-Thames TW16 5EH

1. 22 Jun 2026

   Received by Spelthorne

2. 30 Jul 2026

   Added to PlanIndex

3. 21 Aug 2026

   Decision issued: Grant Conditional

• Application: PLAN C/FUL/74/530 (Decided (Approved))
• Application: PLAN C/FUL/75/122 (Decided (Approved))
• Application: PLAN C/FUL/79/592 (Decided (Approved))

Spelthorne granted permission on 21 August 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.

• 177 The Avenue Sunbury-on-Thames TW16 5EH

  24/00830/DC1 Submitted 21 Jan 2025 50 yards away

  Details pursuant to condition 5 (tree protection details) reserved from planning permission 24/00830/HOU.

  Granted Conditions Trees 8 docs

• 177 The Avenue Sunbury-on-Thames TW16 5EH

  25/01483/HOU Submitted 12 Dec 2025 50 yards away

  Retrospective permission for the erection of front and side boundary walls and gate railings, including electric gate.

  Granted Householder 10 docs
  Domestic

• 177 The Avenue Sunbury-on-Thames TW16 5EH

  25/01540/HOU Submitted 23 Dec 2025 50 yards away

  Part-retrospective permission for the erection of a conservatory, alterations to front porch, and changes to fenestration and rear juliet balconies.

  Granted Householder Extension Windows or glazing 11 docs
  Small domestic

• 185 The Avenue Sunbury On Thames TW16 5EH

  19/01415/TPO Submitted 22 Oct 2019 100 yards away

  TPO30/SUN - T94 (shown on the received plan) - Horse Chestnut - crown reduce to old reduction points by removing 2m from height and 1.5m from lateral side branches, leaving the tree with finished height of 15m and a crown spread of 10m.

  Granted Trees 1 doc

• 189 The Avenue Sunbury-on-Thames TW16 5EH

  26/00271/HOU Submitted 17 Mar 2026 100 yards away

  Conversion of existing integral garage into a habitable room with erection of a part single part two storey rear extension, first floor front extension, roof extension with 2 no. rear pitched roof elements, 2 no. rear facing Juliet balconies, raising of ridge line and installation of a rear roof dormer

  Granted Householder Extension Loft or dormer 16 docs
  Domestic

• 20 Pinewood Sunbury On Thames TW16 6SG

  19/01405/TPO Submitted 18 Oct 2019 100 yards away

  TPO143 - T21 - Horse Chestnut - fell to ground level - T22 - Lime - fell to ground level - T23 - Horse Chestnut - fell to ground level

  Refused Trees 1 doc

• 26/00786/HOU Granted

  38 Knightsbridge Crescent Staines-upon-Thames TW18 2QR

  Single storey extension to existing garage following part demolition

  Received 27 Jul, published by the council 30 Jul 2026 Householder
• 26/00800/HOU Granted

  40 Fontmell Park Ashford TW15 2NW

  Erection of a part single storey / part first floor rear extension and alterations to the roof to provide habitable accommodation.

  Received 29 Jul, published by the council 31 Aug 2026 Householder
• 26/00875/HOU Granted

  33 Kenyngton Drive Sunbury-on-Thames TW16 7RT

  Erection of a single storey side extension to form larger porch. Following removal of existing porch.

  Received 18 Aug, published by the council 24 Aug 2026 Householder
• 26/00927/HOU Decided

  10A Park Road Sunbury-on-Thames TW16 5BU

  Two storey side and rear extension and single storey rear extension including front and rear dormers

  Received 3 Sep, published by the council 14 Sep 2026 Householder
• 26/00942/HOU Granted

  9 Links Road Ashford TW15 3RA

  Erection of a single storey rear extension.

  Received 8 Sep, published by the council 9 Sep 2026 Householder