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Planning application

21/03555/CPU

27 Windsor Avenue New Malden KT3 5EY

Granted Kingston upon Thames Cert of Lawful Use/Operation - Proposed

Proposal

Erection of hip to gable and rear dormer roof extension with installation of 2no front rooflights to facilitate loft conversion

As published by the council, reference 21/03555/CPU

Timeline

Dates from the published record

  1. 8 Nov 2021

    Received by Kingston upon Thames

  2. 4 Jan 2022

    Decision issued: Application Granted

  3. 26 Jul 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

About lawful development applications

How this application type works

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

Nearby applications

Within 500 metres

  • 20/00557/HOU Granted

    15 Windsor Avenue New Malden KT3 5EY

    Erection of single storey rear extension

    4 Mar 2020 46m away Householder
  • 26/01621/TPO Awaiting decision

    Kings College Sports Ground Windsor Avenue New Malden KT3 5HA

    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.

    23 Jul 2026 106m away Trees
  • 21/02662/NMA Granted

    Lse Sports Ground Windsor Avenue New Malden KT3 5HB

    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

    17 Aug 2021 147m away Amendments
  • 21/02723/HOU Granted

    63 Groveland Way New Malden KT3 5BT

    Erection of single storey side and rear extension

    24 Aug 2021 162m away Householder
  • 25/02550/CPU Refused

    23 Cotsford Avenue New Malden KT3 5EU

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

    30 Sep 2025 175m away Lawful development
  • 22/00242/CEU Withdrawn

    Kings College Sports Ground Windsor Avenue New Malden KT3 5HA

    Erection of net enclosure in cricket ground (Retrospective)

    26 Jan 2022 177m away Lawful development

In Kingston upon Thames

  • 26/01186/CPU Granted

    116 Deacon Road Kingston Upon Thames KT2 6LU

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

    4 Jun 2026 Lawful development
  • 26/01097/CPU Granted

    3 Sherwood House Kingston Vale London SW15 3PP

    Use of home for administration of private hire vehicle operating centre

    22 May 2026 Lawful development
  • 26/01085/CPU Granted

    96 Thornhill Road Tolworth KT6 7TH

    Erection of hip to gable rear dormer roof extension, installation of 2no front roof lights and 1 new gable end window.

    21 May 2026 Lawful development
  • 26/01648/CPUF Awaiting decision

    66 Douglas Road Kingston Upon Thames KT1 3PT

    Erection of a single storey detached domestic garden outbuilding

    28 Jul 2026 Lawful development
  • 26/01052/CPU Granted

    5 Burberry Close New Malden KT3 3AR

    Conversion of an existing garage into habitable room with associated alteration to fenestration

    18 May 2026 Lawful development