The Sanctum On The Green Cookham Dean Common Cookham Maidenhead SL6 9NZ Data via plota.co.uk
Proposal
Replacement glazed extension with new lobby, main entrance, covered area and paving following the demolition of the existing conservatory. Data via plota.co.uk
Application progress
Approved on 4 Sept 2026 · Delegated · Last checked 5 Sept 2026
Documents 47
Decision & officer reports 1
Statements & assessments 17
Plans & drawings 8
Application forms 1
Consultation & comments 12
Other documents 8
Site constraints 8
Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, 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.
Building
From the energy performance certificate lodged in March 2015, the latest held for this property. The building may have changed since. View the certificate
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Important details
- Council
- Windsor and Maidenhead
- Application type
- Full
- Postcode
- SL6 9NZ
- Received
- 15 May 2026
- Validated
- 28 May 2026
- Ward
- Bisham And Cookham
- Parish
- Cookham Parish
- Case officer
- Show
- Target decision
- 22 Jul 2026
- Decision
- Application Permitted
- Decision date
- 4 Sept 2026
- Decision level
- Delegated
- Applicant
- Show
- Agent
- Frances Pullan
How this decision compares
Decided in 99 days from validation, 45 days slower than Windsor and Maidenhead's median of 54 for demolitions. Approved, as 75% of demolitions here are.
Plota live figures for demolitions decided by Windsor and Maidenhead in the last twelve months, from validation. Windsor and Maidenhead decision record →
Consultation & key dates
- Alt. reference
- PP-14938406
- Planning Portal ref
- PP-14938406
- Comments by
- 24 Jun 2026
- Statutory expiry
- 22 Jul 2026
- Env. assessment
- No
Historical activity at this location
26 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
Windsor and Maidenhead is faster than most councils at deciding householder applications, ranking #82 out of 296. Only 28% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Windsor and Maidenhead is also one of the strictest councils - it refuses more householder applications than almost any other, with only 74% 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
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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The Sanctum On The Green Cookham Dean Common Cookham Maidenhead SL6 9NZ
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