Mandeville Cheapside Lane Denham Buckinghamshire UB9 5AB Data via plota.co.uk
Proposal
Certificate of Lawfulness for proposed single-storey outbuilding to enclose an existing swimming pool and incorporate an incidental home gym and changing facility Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicts a decision around 9 Dec 2026, from Buckinghamshire's recent extensions.
Documents 2
Statements & assessments 1
Application forms 1
Site constraints 8
Checked on 24 October 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI) 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 1
Last sold for £785,000 in November 2025. 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
Every application in Buckinghamshire - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
- Council
- Buckinghamshire
- Application type
- Certificate of Lawful Use - Proposed
- Postcode
- UB9 5AB
- Received
- around 14 Oct 2026
- Validated
- 14 Oct 2026
- Ward
- Gerrards Cross and Denham
- Parish
- Denham Parish Council
- Target decision
- 9 Dec 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- BSM Crown Architecture
Decision outlook
Day 14 of the 56-day target. Buckinghamshire usually decides extensions by day 56.
Plota live figures for extensions decided by Buckinghamshire in the last twelve months, from validation. Buckinghamshire decision record →
Public comments
No public comments yet.
Last counted 25 Oct 2026
Consultation & key dates
- Statutory expiry
- 9 Dec 2026
- Env. assessment
- No
Historical activity at this location
5 nearby applications on record - archival context, not part of the live application.
Nearby activity
Buckinghamshire is one of the slowest councils in England for householder decisions, ranking #280 out of 296. 55% of applications have the time limit extended, above the 41% national average. Householder applications are slightly less likely to be approved here (86%) 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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Mandeville Cheapside Lane Denham Buckinghamshire UB9 5AB
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