Austin House St Mark's Hill Surbiton KT6 4LU Data via plota.co.uk
Proposal
Internal alterations at ground floor to the existing 8 flats, to provide additional bedrooms to 7 of the existing flats, whilst the remaining 1 flat remains as 1-bed studio. Data via plota.co.uk
Application progress
Approved on 12 Jul 2026 · Delegated Decision · Last checked 28 Jul 2026
Documents 12
Decision & officer reports 1
Plans & drawings 10
Application forms 1
Site constraints 4
Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) 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
- Council
- Kingston upon Thames
- Application type
- Cert of Lawful Use/Operation - Proposed
- Postcode
- KT6 4LU
- Received
- 18 May 2026
- Validated
- 2 Jun 2026
- Ward
- St Mark's & Seething Wells
- Parish
- Surbiton
- Case officer
- Show
- Target decision
- 28 Jul 2026
- Decision
- Application Granted
- Decision date
- 12 Jul 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Freehold owner
- Show
How this decision compares
Decided in 40 days from validation, 15 days faster than Kingston upon Thames's median of 55 for extensions. Approved, as 85% of extensions here are.
Plota live figures for extensions decided by Kingston upon Thames in the last twelve months, from validation. Kingston upon Thames decision record →
Consultation & key dates
- Alt. reference
- PP-14923593
- Planning Portal ref
- PP-14923593
- Statutory expiry
- 28 Jul 2026
- Env. assessment
- No
Historical activity at this location
28 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
Kingston upon Thames is faster than most councils at deciding householder applications, ranking #33 out of 296. Only 20% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Kingston upon Thames is also one of the strictest councils - it refuses more householder applications than almost any other, with only 82% approved vs 90% nationally.
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
Freehold owner: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.
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Austin House St Mark's Hill Surbiton KT6 4LU
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Freehold owner, on paid plans
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