3 Elizabeth Avenue Laleham Staines-upon-Thames TW18 1JW Data via plota.co.uk
Proposal
Certificate of lawfulness for proposed hip to gable roof alteration, rear facing dormer and 2 no. roof lights on either side of front roof section. (As shown on amended plans SMA-025-XXXX DR A /001 P02, /002 P02, /003 P02, /004 P02, /005 P02, /006 P02, 007 P02, 0012 P02, /0013 P02, /0014 P02, /0015 P02, /0016 P02, /0021 P02 rec's 14.10.2026) Data via plota.co.uk
Application progress
Approved on 15 Oct 2026 · Delegated Decision · Last checked 16 Oct 2026
Documents 4
Plans & drawings 2
Other documents 2
Site constraints 5
Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate 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.
Sales history 2
Last sold for £500,000 in September 2025. Semi-detached house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Building
From the energy performance certificate lodged in January 2025, the latest held for this property. The building may have changed since. View the certificate
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Proposed single storey rear extension and entrance porch
Important details
- Council
- Spelthorne
- Application type
- Cert. of Lawful Proposed Use and Dev
- Postcode
- TW18 1JW
- Received
- 20 Aug 2026
- Validated
- 20 Aug 2026
- Ward
- Staines South
- Parish
- Staines South And Ashford West ED
- Case officer
- Show
- Target decision
- 15 Oct 2026
- Decision
- Grant Cert Lawful Prop Use/Dev
- Decision date
- 15 Oct 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- SMA Studio Barnet
How this decision compares
Decided in 56 days from validation, about the council's usual 55 days. 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 16 Oct 2026
Consultation & key dates
- Comments by
- 23 Sept 2026
- Site or press notice
- 2 Sept 2026
- Statutory expiry
- 15 Oct 2026
- Env. assessment
- No
Historical activity at this location
22 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%).
Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
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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3 Elizabeth Avenue Laleham Staines-upon-Thames TW18 1JW
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