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Planning application

Red Thorns 98 Westbury Road New Malden KT3 5AN

Refused Kingston upon Thames 25/02868/CPU Cert of Lawful Use/Operation - Proposed

Works: Extension Small domestic

Read from the description, not a valuation. How we read the register

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Erection of a single storey rear extension

As published by the council, reference 25/02868/CPU

Application record

Reference
25/02868/CPU
Type
Cert of Lawful Use/Operation - Proposed
Status
Refused
Decision
Refused As published: Refuse
Received
6 Nov 2025
Validated
23 Dec 2025
Decided
17 Feb 2026
Ward
New Malden Village
Parish
New And Old Malden
Decision by
Delegated Decision
Postcode
KT3 5AN

Site history

Applications at this address on the Kingston upon Thames register

This site has had 7 applications since 2021: 3 approved, 3 refused.

  • 26/01177/CPU Granted

    Red Thorns 98 Westbury Road New Malden KT3 5AN

    Change of use of family dwelling to supported living accommodation for up to 6 people (Use Class C3b)

    Submitted 3 Jun 2026
  • 26/00681/HOU Granted

    Red Thorns 98 Westbury Road New Malden KT3 5AN

    Single storey rear extension (part retrospective)

    Decided 27 May 2026 Householder
  • 26/00073/CPU Granted

    Red Thorns 98 Westbury Road New Malden KT3 5AN

    Erection of rear dormer gable roof extension with materials to match the appearance of those existing

    Decided 11 Mar 2026 Lawful development
  • 25/02870/CPU Refused

    Red Thorns 98 Westbury Road New Malden KT3 5AN

    Erection of rear dormer gable roof extension

    Decided 5 Jan 2026 Lawful development
  • 22/01947/CPU Awaiting decision

    Red Thorns 98 Westbury Road New Malden KT3 5AN

    Change of use from C3 (Dwelling) to C2 (Residential Institution)

    Submitted 13 Jun 2022 Lawful development
  • 21/03784/CPU Refused

    Red Thorns 98 Westbury Road New Malden KT3 5AN

    Change of use dwellinghouse (use class C3) to residential institution (use class C2)

    Decided 3 Feb 2022 Lawful development

Timeline

Dates from the published record

  1. 6 Nov 2025

    Received by Kingston upon Thames

  2. 23 Dec 2025

    Validated

    Checked as complete and ready for consideration.

  3. 17 Feb 2026

    Decision issued: Refuse

  4. 12 Aug 2026

    Added to PlanIndex

Documents

Plans, drawings, consultee responses and the officer's report

6 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

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Open the documents

What this refusal means

Kingston upon Thames refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

About lawful development applications

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.

Nearby applications

Within 0.3 miles

  • Red Thorns 98 Westbury Road New Malden KT3 5AN

    22/01947/CPU Submitted 13 Jun 2022 50 yards away

    74% historically approved · decision due ~8 Aug

    Change of use from C3 (Dwelling) to C2 (Residential Institution)

    Awaiting decision Lawful development 5 docs
    Domestic

  • Red Thorns 98 Westbury Road New Malden KT3 5AN

    26/00681/HOU Submitted 31 Mar 2026 50 yards away

    Single storey rear extension (part retrospective)

    Granted Householder Extension 8 docs
    Small domestic

  • Red Thorns 98 Westbury Road New Malden KT3 5AN

    21/03784/CPU Submitted 26 Nov 2021 50 yards away

    Change of use dwellinghouse (use class C3) to residential institution (use class C2)

    Refused Lawful development 5 docs
    Domestic

  • Red Thorns 98 Westbury Road New Malden KT3 5AN

    25/02870/CPU Submitted 6 Nov 2025 50 yards away

    Erection of rear dormer gable roof extension

    Refused Lawful development Extension Loft or dormer 5 docs

  • Red Thorns 98 Westbury Road New Malden KT3 5AN

    26/00073/CPU Submitted 13 Jan 2026 50 yards away

    Erection of rear dormer gable roof extension with materials to match the appearance of those existing

    Granted Lawful development Extension Loft or dormer 6 docs

  • 81B Westbury Road New Malden KT3 5AL

    23/01592/PAEXT Submitted 15 Jun 2023 50 yards away

    Erection of single storey rear extension (4.5m in depth, maximum height of 3.2m and eaves height of 3.0m)

    Granted Householder Extension 8 docs
    Small domestic

In Kingston upon Thames

  • 26/01541/CPU Granted

    81 Manor Drive North New Malden KT3 5PA

    Conversion of garage into a habitable space and all associated works.

    Received 14 Jul, published by the council 26 Jul 2026 Lawful development
  • 26/01744/CPU Awaiting decision

    85 Barnfield Avenue Kingston Upon Thames KT2 5RG

    Demolition of the existing rear outbuilding shed and erection of a single storey rear detached outbuilding for home office and personal gym.

    Received 10 Aug, published by the council 10 Sep 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
  • 26/00979/CPU Granted

    4 Manston Grove Kingston Upon Thames KT2 5GF

    Erection of a single storey rear extension.

    Received 8 May, published by the council 12 Aug 2026 Lawful development
  • 26/00883/CPU Refused

    3 Juniper Close Chessington KT9 2AX

    Conversion of garage to habitable room with changes to front fenestration

    Received 24 Apr, published by the council 26 Jul 2026 Lawful development