Planning application
43 Lumley Road Cheam SM3 8NP
Works: Extension Loft or dormer Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Conversion of loft space involving alterations to existing roofline, a dormer extension at rear, two windows to flank roofslope, rooflights to front roofslope and alteration to soil and vent pipe.
As published by the council, reference DM2026/00053
Application record
- Reference
- DM2026/00053
- Type
- Certificate of Proposed Use
- Status
- Application Granted
- Decision
- Application Granted
- Received
- 19 Jan 2026
- Validated
- 19 Jan 2026
- Decided
- 23 Mar 2026
- Ward
- Cheam
- Decision by
- Delegated Decision
- Postcode
- SM3 8NP
Timeline
Dates from the published record
-
19 Jan 2026
Received by Sutton
-
23 Mar 2026
Decision issued: Application Granted
-
13 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Agent on file, a design practice
65 applications on PlanIndex · across 11 councils · 88% granted
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See who's behind itDocuments
Plans, drawings, consultee responses and the officer's report
8 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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Open the documentsWhat this grant of permission means
Sutton granted permission on 23 March 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 outline applications
An outline application tests the principle of developing a site, holding back details such as appearance and landscaping as reserved matters for later approval. More in our guide to planning application types.
Nearby applications
Within 500 metres
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28 Lumley Road Cheam SM3 8NN
Conversion of loft space involving alterations to existing roofline, a dormer extension at rear, rooflights to front roofslope and removal of chimneys.
Granted Outline Extension Loft or dormer 13 docs -
8 Lumley Gardens Cheam SM3 8NW
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26 Lumley Road Cheam SM3 8NN
Conversion of loft space involving alterations to existing roofline, a dormer extension at rear, windows to second floor flank elevation, rooflights to front roofslope and removal of chimneys.
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10 Lumley Gardens Cheam SM3 8NW
89% historically approved · decision due ~14 Oct
Conversion of loft space involving alterations to existing roofline, a dormer extension at rear, a window to second floor flank elevation and rooflights to front roofslope.
Awaiting decision Extension Loft or dormer +1 -
15 Fieldsend Road Cheam Surrey SM3 8NX
Erection of a two storey side extension.
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19 Fieldsend Road Cheam Surrey SM3 8NX
Retention of a first floor side extension incorporating a dormer extension at rear and alterations to existing roofline. (Amendment to previously approved application No. D01/47455/HHA).
Granted Householder Extension Loft or dormerDomestic
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Conversion of loft space involving alterations to existing roofline, a dormer extension at rear, a window to flank roofslope and rooflights to front roofslope.