15 Cobham Road Kingston Upon Thames KT1 3AE Data via plota.co.uk
Proposal
Raising of the existing roof height and erection of a rear piggy-back roof extension. Installation of 6nos side rooflights to facilitate a loft conversion. Data via plota.co.uk
Application progress
Approved on 14 Jul 2026 · Delegated Decision · Last checked 27 Jul 2026
Documents 6
Decision & officer reports 1
Plans & drawings 4
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.
Sales history 3
Last sold for £1,195,000 in September 2024. 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 April 2024, the latest held for this property. The building may have changed since. View the certificate
Every application in Kingston upon Thames - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
- Council
- Kingston upon Thames
- Application type
- Householder
- Postcode
- KT1 3AE
- Received
- 30 Mar 2026
- Validated
- 19 May 2026
- Ward
- Norbiton
- Parish
- Kingston And North Kingston
- Case officer
- Show
- Target decision
- 14 Jul 2026
- Decision
- Application Granted
- Decision date
- 14 Jul 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Show
How this decision compares
Decided in 56 days from validation, about the council's usual 55 days. 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-14818973
- Planning Portal ref
- PP-14818973
- Neighbours
- 29 May 2026
- Consultation
- 7 Jul 2026
- Comments by
- 28 Jul 2026
- Statutory expiry
- 14 Jul 2026
- 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
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.
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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15 Cobham Road Kingston Upon Thames KT1 3AE
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