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Planning application

21/03490/HOU

71 Somerset Avenue Chessington KT9 1PS

Granted Kingston upon Thames Householder

Proposal

Erection of single-storey rear extension and associated changes to fenestration following demolition of existing conservatory and garage. Hip to gable and rear dormer roof extension with installation of 3no front rooflights to facilitate loft conversion.

As published by the council, reference 21/03490/HOU

Timeline

Dates from the published record

  1. 1 Nov 2021

    Received by Kingston upon Thames

  2. 21 Dec 2021

    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 householder applications

How this application type works

Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.

More on householder applications in our guide

Nearby applications

Within 500 metres

  • 21/02632/HOU Refused

    71 Somerset Avenue Chessington KT9 1PS

    Erection of single-storey rear extension with associated changes to fenestration following demolition of existing conservatory and garage. Hip to gable and rear dormer roof extensions with installation of 3no front rooflights to facilitate loft conversion

    16 Aug 2021 6m away Householder
  • 19/03180/HOU Refused

    10 Selwood Road Chessington KT9 1PU

    Retention of a single-storey rear extension and refurbishment to existing house including installation of a roof structure and alterations to approved fence.

    18 Dec 2019 107m away Householder
  • 26/01408/CLC Awaiting decision

    Hollyfield School Sports Field Somerset Avenue Chessington

    Details required for Condition 16 (Biodiversity Gain Plan) and Condition 17 (Habitat Management and Monitoring Plan) of planning permission 25/00155/FUL (Demolition of pavilion container buildings and erection of a single storey sports pavilion building)

    29 Jun 2026 118m away Conditions
  • 22/00309/HOU Withdrawn

    26 Selwood Road Chessington KT9 1PU

    Erection of first floor side, rear and side dormer roof extension, installation of 3 nos front rooflights to facilitate loft conversion

    2 Feb 2022 122m away Householder
  • 21/03534/HOU Refused

    26 Selwood Road Chessington KT9 1PU

    Erection of first floor side extension, rear and side dormer roof extensions with installation of 2no front rooflights to facilitate loft conversion. Associated changes to fenestration

    5 Nov 2021 122m away Householder
  • 26/00919/HOU Granted

    47 Somerset Avenue Chessington KT9 1PW

    Conversion of an existing garage into a self-contained granny annexe

    29 Apr 2026 139m away Householder

In Kingston upon Thames

  • 26/00654/HOU Granted

    25A Motspur Park New Malden KT3 6PS

    Erection of single storey rear extension

    26 Mar 2026 Householder
  • 26/01665/PAEXT Awaiting decision

    34 Rose Walk Surbiton KT5 8HS

    Erection of single storey rear extension (5.22m in depth, maximum height of 3.68m and eaves height of 3.04m)

    29 Jul 2026 Householder
  • 26/01050/HOU Granted

    59 Poplar Grove New Malden KT3 3DN

    Demolition of existing rear extension and erection of a single storey rear and side extension

    15 May 2026 Householder
  • 26/01337/HOUF Refused

    63 Highdown Worcester Park KT4 7JA

    Demolition of an existing detached garage and side extension, erection of a single storey front porch, side and rear wraparound extension. First floor rear extension with juliet balcony.

    22 Jun 2026 Householder
  • 26/01649/PAEXTF Awaiting decision

    66 Douglas Road Kingston Upon Thames KT1 3PT

    Erection of single storey rear extension (5m in depth, maximum height of 4m and eaves height of 3m)

    28 Jul 2026 Householder