27 Windsor Avenue New Malden KT3 5EY

1. 8 Nov 2021

   Received by Kingston upon Thames

2. 4 Jan 2022

   Decision issued: Application Granted

3. 26 Jul 2026

   Added to PlanIndex

Kingston upon Thames granted permission on 4 January 2022, 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.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 9 Windsor Avenue New Malden KT3 5EY

  26/01820/CPU Submitted 20 Aug 2026 50 yards away

  81% historically approved · decision due ~15 Oct

  Erection of hip to gable and rear roof dormer extension with installation of 2nos. front rooflights to facilitate loft conversion

  Awaiting decision Extension Loft or dormer

• 19 Windsor Avenue New Malden KT3 5EY

  25/02962/FUL Submitted 17 Nov 2025 50 yards away

  Demolition of rear conservatory and erection of single-storey L-shaped wraparound extension to the rear and side with associated internal alterations.

  Granted Full applications Extension Demolition 8 docs
  Small domestic

• 15 Windsor Avenue New Malden KT3 5EY

  20/00557/HOU Submitted 4 Mar 2020 50 yards away

  Erection of single storey rear extension

  Granted Householder Extension 17 docs
  Small domestic

• 68 Green Lane New Malden KT3 5BU

  26/01847/CPUF Submitted 25 Aug 2026 150 yards away

  Demolition of an existing rear extension, erection of single storey front porch and rear extension. Hip to gable roof extension with rear dormer and installation of 2nos front rooflights.

  Refused Extension Loft or dormer +1 10 docs
  Small domestic

• 74 Green Lane New Malden KT3 5BU

  26/00532/HOU Submitted 12 Mar 2026 150 yards away

  Two storey side and single storey rear extension

  Granted Householder Extension 11 docs
  Small domestic

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

  26/01621/TPO Submitted 23 Jul 2026 150 yards away

  95% historically approved · decision due ~24 Sep

  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

• 26/01012/CPU Granted

  40 Staunton Road Kingston Upon Thames KT2 5TJ

  Erection of hip to gable roof extension with rear dormer and installation of 2nos front roof lights

  Received 12 May, published by the council 26 Jul 2026 Lawful development
• 26/01468/CPU Granted

  112 Durlston Road Kingston Upon Thames KT2 5RU

  Erection of rear dormer roof extension and installation of 2nos front rooflights.

  Received 3 Jul, published by the council 26 Jul 2026 Lawful development
• 26/01695/CPU Awaiting decision

  1 Whitehall Crescent Chessington KT9 1NF

  Lawful Development Certificate for change of use from a 6 person HMO (Use Class C4) to a 7 person HMO (Use Class Sui-Generis)

  Received 31 Jul, published by the council 17 Sep 2026 Lawful development
• 26/00870/CPU Refused

  14 Regent Road Surbiton KT5 8NL

  Erection of hip-to-gable and rear dormer roof extension with Juliet balcony and 1no. front rooflight to facilitate loft conversion.

  Received 23 Apr, published by the council 26 Jul 2026 Lawful development
• 26/01068/CPU Granted

  27 Dawson Road Kingston Upon Thames KT1 3AU

  Erection of single storey rear extension with alteration to side fenestration.

  Received 20 May, published by the council 26 Jul 2026 Lawful development