Thornhill Oak Lane Sevenoaks Kent TN13 1UF Data via plota.co.uk
Proposal
Extension across all floors to the rear and side of the dwelling, including alterations to the roof line, installation of roof lights and dormer windows, internal alterations, alterations to fenestration, and installation of PV panels. Extension and alterations to the garage. Data via plota.co.uk
Application progress
Approved on 21 May 2026 · Delegated Decision · Last checked 28 Jul 2026
Documents 7
Decision & officer reports 2
Statements & assessments 2
Application forms 1
Consultation & comments 1
Site constraints 2
Checked on 11 September 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.
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Important details
How this decision compares
Decided in 59 days from validation, about the council's usual 56 days. Approved, as 85% of extensions here are.
Plota live figures for extensions decided by Sevenoaks in the last twelve months, from validation. Sevenoaks decision record →
Consultation & key dates
- Planning Portal ref
- PP-14732165
- Env. assessment
- No
Historical activity at this location
27 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
Sevenoaks ranks #109 out of 296 councils for householder decision speed. Householder applications are slightly more likely to be approved here (90%) than the national average (90%).
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Thornhill Oak Lane Sevenoaks Kent TN13 1UF
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