Marina 42 Highfield Lane Maidenhead SL6 3AP Data via plota.co.uk
Proposal
Certificate of lawfulness to determine whether the proposed rear dormer to facilitate a loft conversion is lawful. Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicts a decision around 15 Dec 2026, from Windsor and Maidenhead's recent extensions.
Documents 3
Application forms 2
Other documents 1
Site constraints 3
Checked on 27 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.
Every application in Windsor and Maidenhead - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
- Council
- Windsor and Maidenhead
- Application type
- Cert of Lawfulness of Proposed Dev
- Postcode
- SL6 3AP
- Received
- 22 Oct 2026
- Validated
- 23 Oct 2026
- Ward
- Cox Green
- Parish
- Cox Green Parish
- Case officer
- Show
- Target decision
- 17 Dec 2026
- Applicant
- Show
- Agent
- Show
Decision outlook
Day 5 of the 56-day target. Windsor and Maidenhead usually decides extensions by day 53.
Plota live figures for extensions decided by Windsor and Maidenhead in the last twelve months, from validation. Windsor and Maidenhead decision record →
Consultation & key dates
- Alt. reference
- PLP - 00016644
- Statutory expiry
- 17 Dec 2026
- Env. assessment
- No
Historical activity at this location
17 nearby applications on record - archival context, not part of the live application.
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.
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Marina 42 Highfield Lane Maidenhead SL6 3AP
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