Planning application
33 Heathcroft Avenue Sunbury-on-Thames TW16 7SP
Works: Loft or dormer
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Certificate of lawfulness for proposed hip to gable end change to existing roof and loft conversion with rear facing dormer
As published by the council, reference 25/01210/CPD
Application record
- Reference
- 25/01210/CPD
- Type
- Cert. of Lawful Proposed Use and Dev
- Status
- Decided
- Decision
- Grant Cert Lawful Prop Use/Dev
- Received
- 3 Oct 2025
- Validated
- 3 Oct 2025
- Decided
- 24 Nov 2025
- Ward
- Sunbury Common
- Parish
- Sunbury Common And Ashford Common ED
- Decision by
- Delegated Decision
- Postcode
- TW16 7SP
Timeline
Dates from the published record
-
3 Oct 2025
Received by Spelthorne
-
24 Nov 2025
Decision issued: Grant Cert Lawful Prop Use/Dev
-
11 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Agent on file, a design practice registered in Harrow
5 applications on PlanIndex · across 3 councils
Trade members see who it is, their full track record, and every application they have filed.
See who's behind itDocuments
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.
Trade members open them from here.
Open the documentsWhat this grant of permission means
Spelthorne granted permission on 24 November 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 lawful development applications
A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.
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26/00575/CLD Refused
96 Groveley Road Sunbury-on-Thames TW16 7LB
Certificate of Lawfulness for an existing development and use for a ground floor rear extension, roof alterations including a rear roof dormer and a hip to gable conversion with insertion of rooflights, and use as a small HMO (use class C4)