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Planning application

DM2020/00537

176 Henley Avenue North Cheam SM3 9SD

Granted Sutton Householder Application

Proposal

Conversion of the existing single storey garden building into a granny annexe.

As published by the council, reference DM2020/00537

Timeline

Dates from the published record

  1. 8 Apr 2020

    Received by Sutton

  2. 23 Apr 2020

    Validated

    Checked as complete and ready for consideration.

  3. 17 Jun 2020

    Decision issued: Application Granted

  4. 3 Aug 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

  • DM2020/00534 Granted

    1 Esher Avenue North Cheam SM3 9AY

    Demolition of existing conservatory and erection of a part one, part two storey side, front and rear extension.

    8 Apr 2020 83m away Householder
  • DM2026/00560 Refused

    152 Henley Avenue North Cheam SM3 9SA

    Conversion of loft space involving alterations to existing roofline including the raising of the ridgeline and rear chimney, a dormer extension at rear, rooflights to front roofslope, a rooflight to flat dormer roof and removal of a rear chimney.

    5 May 2026 88m away Householder
  • DM2026/00879 Awaiting decision

    158 Brocks Drive North Cheam SM3 9UT

    Erection of a single storey rear extension.

    20 Jul 2026 94m away Householder
  • DM2025/00130 Granted

    164 Brocks Drive North Cheam SM3 9UT

    Erection of single storey side and rear extension.

    3 Feb 2025 102m away Householder
  • DM2023/01189 Granted

    18 Wrayfield Road Cheam SM3 9TH

    Conversion of loft space involving alterations to existing roofline, a dormer extension at rear, a window to flank roofslope and rooflights to front roofslope.

    25 Jul 2023 108m away Outline
  • CLC2026/00058 Decided

    150 Henley Avenue North Cheam SM3 9SA

    Application to clear condition 11 (wildlife and nesting features) of approved application DM2025/01314.

    7 Apr 2026 110m away Conditions

In Sutton

  • DM2026/00601 Granted

    The Cedars The Drive Cheam SM2 7DH

    Erection of single storey rear extensions, conversion of garage into habitable rooms, alterations to ground floor front, flank and rear fenestrations including the installation of ground floor external lighting, alterations to the rear patio and landscaping.

    14 May 2026 Householder
  • DM2026/00677 Granted

    35A St Albans Road Cheam SM1 2JG

    Erection of a single storey rear extension.

    3 Jun 2026 Householder
  • DM2026/00639 Granted

    55 Aultone Way Sutton SM1 3LD

    Erection of a part one, part two storey side and rear extension.

    26 May 2026 Householder
  • DM2026/00599 Granted

    80 Banstead Road South Sutton SM2 5LH

    Erection of a single storey rear extension, extension to existing front entrance porch, conversion of garage into habitable rooms and alteration to ground floor front fenestration.

    14 May 2026 Householder
  • DM2026/00734 Granted

    15 Blakehall Road Carshalton SM5 3EZ

    Prior Approval for a single storey extension projecting from the original house by 6m.

    17 Jun 2026 Householder