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Planning application

DM2026/00470

203 Thornton Road Carshalton SM5 1NG

Granted Sutton PA Householder Rear Extension

Proposal

Prior Approval for a single storey rear extension projecting from the rear of the original house by 5.98m.

As published by the council, reference DM2026/00470

Timeline

Dates from the published record

  1. 14 Apr 2026

    Received by Sutton

  2. 22 May 2026

    Decision issued: Prior Approval Not Required

  3. 25 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

  • C2004/52577 Refused

    Land Adj. 183 Thornton Road Carshalton Surrey SM5 1NP

    Erection of a 2-bedroomed terrace house with parking facilities.

    1 Jun 2004 133m away Full applications
  • DM2025/01248 Refused

    23 St Alban's Grove Carshalton SM5 1ND

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

    6 Oct 2025 163m away Householder
  • DM2026/00520 Granted

    23 St Alban's Grove Carshalton SM5 1ND

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

    23 Apr 2026 163m away Outline
  • DM2023/01152 Granted

    244 Welbeck Road Carshalton SM5 1LW

    Formation of a front entrance porch and erection of a single storey side and rear extension.

    19 Jul 2023 229m away Householder
  • DM2026/00877 Awaiting decision

    338 Middleton Road Carshalton SM5 1HA

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

    20 Jul 2026 234m away Householder
  • DM2026/00671 Granted

    49 Sherborne Crescent Carshalton SM5 1JU

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

    2 Jun 2026 240m away Householder

In Sutton

  • DM2026/00677 Granted

    35A St Albans Road Cheam SM1 2JG

    Erection of a single storey rear extension.

    3 Jun 2026 Householder
  • DM2026/00399 Granted

    2 Lingfield Road Worcester Park KT4 8TG

    Retention and completion of a single storey side and rear extension.

    27 Mar 2026 Householder
  • DM2026/00663 Granted

    20 Huntingdon Gardens Worcester Park KT4 8TF

    Erection of a single storey rear extension.

    1 Jun 2026 Householder
  • DM2026/00704 Granted

    1 West Way Carshalton SM5 4EJ

    Erection of a two storey rear extension, alteration to existing roofline part conversion of garage into plant and alterations to fenestrations.

    10 Jun 2026 Householder
  • DM2026/00726 Granted

    55 Brocks Drive North Cheam SM3 9UW

    Prior Approval for a single storey rear extension projecting from the rear of the original house by 4.5m.

    15 Jun 2026 Householder