Planning application
DM2026/00481
51 Grosvenor Avenue Carshalton SM5 3EJ
Proposal
Erection of a single storey rear extension.
As published by the council, reference DM2026/00481
Timeline
Dates from the published record
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16 Apr 2026
Received by Sutton
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9 Jun 2026
Decision issued: Application Granted
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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.
Nearby applications
Within 500 metres
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DM2026/00482 Granted
51 Grosvenor Avenue Carshalton SM5 3EJ
Conversion of loft space involving alterations to existing roofline, a dormer extension at rear and rooflights to front roofslope. Alterations to the fenestrations.
-
DM2026/00654 Awaiting decision
53 Grosvenor Avenue Carshalton SM5 3EJ
Erection of a single storey rear extension and conversion of loft space involving dormer extensions to front and rear.
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DM2026/00761 Awaiting decision
47A Grosvenor Avenue Carshalton SM5 3EJ
Erection of two dormer extension to sides and installation of rooflight to front roofslope.
-
DM2025/01419 Granted
49 Ashcombe Road Carshalton SM5 3ET
Alterations to fenestrations.
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DM2026/00795 Awaiting decision
81 Beddington Gardens Carshalton SM5 3HL
Conversion of loft space involving alterations to existing roofline, a dormer extension at rear and rooflights to front roofslope.
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DM2026/00555 Granted
26 Woodstock Road Carshalton SM5 3DZ
Erection of a single storey rear extension, alteration to the ground floor rear fenestration, alterations to rear patio and rear step detail/numbers and provision of a planting area.
Other householder applications
In Sutton
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DM2026/00677 Granted
35A St Albans Road Cheam SM1 2JG
Erection of a single storey rear extension.
-
DM2026/00399 Granted
2 Lingfield Road Worcester Park KT4 8TG
Retention and completion of a single storey side and rear extension.
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DM2026/00663 Granted
20 Huntingdon Gardens Worcester Park KT4 8TF
Erection of a single storey rear extension.
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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.
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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.