51 Heathcroft Avenue Sunbury-on-Thames TW16 7SR Data via plota.co.uk
Proposal
Certificate of lawfulness for proposed loft conversion with wraparound roof dormer from joint hip-end pitched dormer, and flat roof rear dormer, velux window on front roof slope and obscured non-operable side window Data via plota.co.uk
Application progress
Approved on 21 Sept 2026 · Delegated Decision · Last checked 22 Sept 2026
Documents 4
Decision & officer reports 2
Application forms 1
Other documents 1
Site constraints 5
Checked on 6 October 2026. Historic England, the Environment Agency, Natural England and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
Building
From the energy performance certificate lodged in April 2026, the latest held for this property. The building may have changed since. View the certificate
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Important details
- Council
- Spelthorne
- Application type
- Cert. of Lawful Proposed Use and Dev
- Postcode
- TW16 7SR
- Received
- 11 Aug 2026
- Validated
- 11 Aug 2026
- Ward
- Sunbury Common
- Parish
- Sunbury Common And Ashford Common ED
- Case officer
- Show
- Target decision
- 6 Oct 2026
- Decision
- Grant Cert Lawful Prop Use/Dev
- Decision date
- 21 Sept 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Architecture Everything
How this decision compares
Decided in 41 days from validation, 14 days faster than Spelthorne's median of 55 for extensions. Approved, as 87% of extensions here are.
Plota live figures for extensions decided by Spelthorne in the last twelve months, from validation. Spelthorne decision record →
Public comments
No public comments yet.
Last counted 22 Sept 2026
Consultation & key dates
- Alt. reference
- PP-15151900
- Planning Portal ref
- PP-15151900
- Comments by
- 10 Sept 2026
- Site or press notice
- 19 Aug 2026
- Statutory expiry
- 6 Oct 2026
- Env. assessment
- No
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Nearby activity
Spelthorne ranks #124 out of 296 councils for householder decision speed. Householder applications are slightly less likely to be approved here (88%) than the national average (90%).
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
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51 Heathcroft Avenue Sunbury-on-Thames TW16 7SR
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