Planning application
5 Watson Avenue North Cheam SM3 9RE
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, a window to flank roofslope and rooflights to front roofslope and removal of rear chimney stack.
As published by the council, reference DM2025/01311
Application record
- Reference
- DM2025/01311
- Type
- Certificate of Proposed Use
- Status
- Application Granted
- Decision
- Application Granted
- Received
- 20 Oct 2025
- Validated
- 29 Oct 2025
- Decided
- 22 Dec 2025
- Ward
- Stonecot
- Decision by
- Delegated Decision
- Postcode
- SM3 9RE
Timeline
Dates from the published record
-
20 Oct 2025
Received by Sutton
-
29 Oct 2025
Validated
Checked as complete and ready for consideration.
-
22 Dec 2025
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, an architecture practice registered in London
16 applications on PlanIndex · across 9 councils · 92% granted
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See who's behind itDocuments
Plans, drawings, consultee responses and the officer's report
16 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 22 December 2025, 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
-
4 Watson Avenue North Cheam Surrey SM3 9RE
Erection of a single storey rear extension and a dormer extension at rear involving alterations to existing roofline.
Granted Householder Extension Loft or dormerSmall domestic -
18 Watson Avenue North Cheam SM3 9RE
89% historically approved · decision due ~2 Oct
Prior Approval for a single storey rear extension projecting from the rear of the original house by 5m.
Awaiting decision ExtensionSmall domestic -
8 Watson Avenue North Cheam Surrey SM3 9RE
Formation of a dormer extension at rear involving alterations to existing roofline.
Granted Outline Extension Loft or dormer -
26 Watson Avenue North Cheam Sutton SM3 9RE
Prior Approval for a single storey rear extension projecting from the rear of the original house by 5m.
Granted Householder Extension 4 docsSmall domestic -
26 Watson Avenue North Cheam SM3 9RE
Conversion of loft space involving alterations to existing roofline, including a hip to gable extension to side and a dormer extension to rear roof slope and roof lights to front roof slope.
Granted Outline Extension Loft or dormer 5 docs -
509 Gander Green Lane North Cheam SM3 9RF
89% historically approved · decision due ~11 Sep
Formation of a new vehicle crossover.
Awaiting decision
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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.
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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.