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Planning application

203 Thornton Road Carshalton SM5 1NG

Granted Sutton DM2026/00470 PA Householder Rear Extension

Works: Extension Small domestic

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

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

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

Application record

Reference
DM2026/00470
Type
PA Householder Rear Extension
Status
Prior Approval Not Required
Decision
Prior Approval Not Required
Received
14 Apr 2026
Validated
14 Apr 2026
Decided
22 May 2026
Ward
St Helier East
Decision by
Delegated Decision
Postcode
SM5 1NG

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

Who's behind it

Company information only, from the register and Companies House

Architected Design Agent, a design practice

40 applications on PlanIndex · across 9 councils · 86% granted

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Documents

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

10 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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What this grant of permission means

Sutton granted permission on 22 May 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

About householder applications

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 199 Thornton Road Carshalton SM5 1NG

    DM2025/00609 Submitted 2 May 2025 17m away

    Erection of a single storey rear extension, provision of a front entrance porch and alteration to the ground floor front and flank fenestrations.

    Granted Householder Extension 9 docs
    Small domestic

  • 204 Thornton Road Carshalton SM5 1NF

    DM2020/00528 Submitted 6 Apr 2020 60m away

    Change of use from HMO (C4) to Residential Institution (C2) for a temporary period of 6 months.

    Granted Full applications 8 docs

  • 420 Middleton Road Carshalton SM5 1HP

    DM2025/01458 Submitted 25 Nov 2025 83m away

    Erection of a single storey rear extension and conversion of garage into habitable room with associated external work.

    Granted Householder Extension 14 docs
    Small domestic

  • 2 St Alban's Grove Carshalton SM5 1NE

    DM2021/01512 Submitted 16 Jul 2021 86m away

    Erection of an attached two storey dwelling with parking to the front, erection of single storey detached refuse/cycle storage to front/flank of property, provision of a new boundary treatment and amenity/garden area.

    Refused Full applications 20 docs
    Small domestic

  • 386 - 390 Middleton Road Carshalton SM5 1HP

    DM2025/01100 Submitted 22 Aug 2025 89m away

    Alteration to shopfront and provision of AC unit and extractor fan to rear.

    Granted Full applications Windows or glazing 19 docs

  • 386 - 390 Middleton Road Carshalton SM5 1HP

    DM2025/01101 Submitted 22 Aug 2025 89m away

    88% historically approved · decision due ~17 Oct

    Display of illuminated fascia signs and projecting sign.

    Awaiting decision Advertising 6 docs

In Sutton

  • DM2026/00600 Granted

    5 Waterer Rise Wallington SM6 9DN

    Erection of front boundary gates with walls, piers and railings.

    14 May 2026 Householder
  • DM2026/00764 Granted

    12 The Causeway Sutton SM2 5RS

    Erection of a single storey rear extension and provision of a raised rear terrace and steps, two dormer extensions to both front and rear roofslopes, alterations to roof of existing single storey side extension, partial conversion of garage into habitable room and alterations to fenestrations.

    23 Jun 2026 Householder
  • DM2026/00544 Granted

    18 Cheviot Close Sutton SM2 5SB

    Erection of a single storey front, side and rear extension.

    29 Apr 2026 Householder
  • DM2026/00083 Granted

    53 Oxford Road Carshalton SM5 3QZ

    Erection of a part one, part two storey side and rear extension. Conversion of loft space involving alterations to existing roofline, a dormer extension at rear and rooflights to front roofslope.

    27 Jan 2026 Householder
  • DM2026/00644 Granted

    37 Farm Way Worcester Park KT4 8RZ

    Erection of a single storey rear extension and conversion of the garage to a habitable room with associated external works.

    26 May 2026 Householder