31 Cotsford Avenue New Malden KT3 5EU

1. 3 Jul 2025

   Received by Kingston upon Thames

2. 14 Aug 2025

   Decision issued: Prior Approval Not Required

3. 1 Sep 2026

   Added to PlanIndex

Kingston upon Thames granted permission on 14 August 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.

• 27 Cotsford Avenue New Malden KT3 5EU

  24/01819/TPO Submitted 22 Jul 2024 50 yards away

  T1 - Willow Pollard to new points bellow previous ones, the tree has suffered a very large tear out at crown break and now has substantial weight left above wound.

  Decided Trees 2 docs

• 27 Cotsford Avenue New Malden KT3 5EU

  26/00015/HOU Submitted 6 Jan 2026 50 yards away

  Alterations to rear conservatory with installation of double pitched roof, thermal wall insulation and changes to fenestrations

  Granted Householder Extension 18 docs
  Small domestic

• Kings College Sports Ground Windsor Avenue New Malden KT3 5HA

  26/01621/TPO Submitted 23 Jul 2026 50 yards away

  G5: Mixed Species Group - Crown raise all trees to a minimum of 4m to provide clearance for mowing equipment. G6: Lombardy Poplar x10 - Reduce/pollard crowns by approximately 50% to reduce wind loading and minimise the risk of failure. T3: Ash x2 - Monolith both Ash trees to a height of 10m due to Ash dieback. T10: Weeping Willow - Re-pollard back to previous pollard points. T11: Atlas Cedar - Fell to ground level due to significant dieback. T12: Black Walnut - Reduce lateral branches by 2-3m to rebalance the crown and minimise the risk of failure. T13: Weeping Willow - Re-pollard back to previous pollard points. T15: Oak - Clear fallen tree and retain logs in habitat stacks. Reduce the field side of the remaining Oak crown by 2-3m to reduce overhang and provide access for mowing equipment. T19: Dead Elms x2 - Fell to ground level. T20: Dead Elms x3 - Reduce to a safe standing height to create monoliths. T21: Ash - Reduce low overhanging branches to provide clearance from the highway, crown raise to 2.5m over the footpath and 5.2m over the carriageway, and remove deadwood. T22: Dead Elm - Fell to ground level. T23: Leyland Cypress - Fell to ground level due to extensive decline and dieback. T24: Dead Sycamore - Reduce to a safe standing height to create a monolith. T25: Unidentified Tree - Reduce to a safe standing height and retain arisings in habitat stacks. T27: Unidentified Tree - Reduce to a safe standing height.

  Decided Trees

• Lse Sports Ground Windsor Avenue New Malden KT3 5HB

  21/02662/NMA Submitted 17 Aug 2021 50 yards away

  Application for Non-Material Amendment to Planning Permission ref: 19/01336/FUL (Installation of a new cold water storage tank and pumps). Amendments to include forming separate housing enclosure units

  Granted Amendments 4 docs

• 23 Cotsford Avenue New Malden KT3 5EU

  26/00246/CPU Submitted 4 Feb 2026 50 yards away

  Erection of rear outbuilding for garden office and storage

  Granted Lawful development 8 docs

• 23 Cotsford Avenue New Malden KT3 5EU

  25/02550/CPU Submitted 30 Sep 2025 50 yards away

  Erection of a single storey rear detached outbuilding to be used as a home office/garden room.

  Refused Lawful development 7 docs
  Small domestic

• 26/02160/HOU Awaiting decision

  33 Cardinal Crescent New Malden KT3 3EF

  Removal of shed and erection of single storey outbuilding to rear

  Received 9 Oct, published by the council 22 Oct 2026 Householder
• 26/01662/HOU Granted

  30 The Ridings Surbiton KT5 8HQ

  Demolition of front porch and erection of single storey front porch extension. Changes to ground floor front and first floor rear fenestrations.

  Received 29 Jul, published by the council 1 Sep 2026 Householder
• 26/01696/HOU Granted

  1 Wolsey Drive Kingston Upon Thames KT2 5DP

  Erection of single storey side and rear extension.

  Received 31 Jul, published by the council 3 Sep 2026 Householder
• 26/01711/HOU Granted

  230 Canbury Park Road Kingston Upon Thames KT2 6LF

  Demolition of an existing rear extension and erection of a single storey rear extension.

  Received 4 Aug, published by the council 1 Sep 2026 Householder
• 26/02154/HOU Awaiting decision

  36 Norbiton Avenue Kingston Upon Thames KT1 3QR

  Erection of single storey rear/side extension

  Received 8 Oct, published by the council 21 Oct 2026 Householder