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Planning application

26/00968/CPU

21 Lyndhurst Avenue Tolworth KT5 9LN

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

Proposal

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

As published by the council, reference 26/00968/CPU

Timeline

Dates from the published record

  1. 7 May 2026

    Received by Kingston upon Thames

  2. 24 Jun 2026

    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

  • 26/00969/HOU Awaiting decision

    21 Lyndhurst Avenue Tolworth KT5 9LN

    Demolition of an existing detached garage. Erection of a single storey front, side and rear extension, first floor side and rear extension.

    7 May 2026 0m away Householder
  • 21/03642/HOU Refused

    38 Beresford Avenue Tolworth Surbiton KT5 9LJ

    Erection of first floor side extension with 2nos rear rooflights.

    16 Nov 2021 54m away Householder
  • 26/01434/CPU Awaiting decision

    14 Lyndhurst Avenue Tolworth KT5 9LL

    Demolition of conservatory and erection of single storey rear extension

    30 Jun 2026 66m away Lawful development
  • 21/02641/HOU Granted

    24 Lyndhurst Avenue Tolworth Surbiton KT5 9LL

    Erection of single-storey rear/side extension with associated changes to fenestration

    16 Aug 2021 67m away Householder
  • 22/00394/CPU Granted

    50 Beresford Avenue Tolworth Surbiton KT5 9LJ

    Conversion of existing garage to habitable space. Erection of hip to gable and rear dormer roof extension with installation of 2no front rooflights to facilitate loft conversion.

    8 Feb 2022 86m away Lawful development
  • 25/02651/HOU Granted

    6 Lyndhurst Avenue Tolworth KT5 9LL

    Erection of single storey side extension and conversion of garage to habitable room. Alterations to garage roof and front fenestrations.

    13 Oct 2025 91m away Householder

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