Planning application
26/00850/CPD
23 Clifton Rise Windsor SL4 5SX
Proposal
Certificate of lawfulness to determine whether the proposed 1no. rear dormer is lawful.
As published by the council, reference 26/00850/CPD
Timeline
Dates from the published record
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2 Apr 2026
Received by Windsor and Maidenhead
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6 May 2026
Decision issued: Permitted Development
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25 Jul 2026
Added to PlanIndex
What a grant of permission means
The process from here
Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.
Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.
About lawful development applications
How this application type works
A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.
Nearby applications
Within 500 metres
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26/00245/FULL Granted
23 Clifton Rise Windsor SL4 5SX
Single storey rear extension, part first floor part two storey side/rear extension with partial raising of the ridge, and alterations to fenestration following the demolition of the existing elements.
-
23/00094/FULL Granted
22 Testwood Road Windsor SL4 5RW
First floor side extension.
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26/01571/TPO Awaiting decision
35 Clifton Rise Windsor SL4 5SX
(T1) Oak - Reduce to previous pruning points, but not beyond, as shown in photograph. (006/1959/TPO)
-
22/02600/FULL Granted
3 Testwood Road Windsor SL4 5RL
Detached outbuilding.
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22/02979/FULL Refused
24 Clifton Rise Windsor SL4 5TD
Single storey side conservatory linked to single storey ancillary annexe, raised parapet wall, alterations to the external finish, boundary treatment and fenestration, new access and 2no. parking spaces.
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26/01097/FULL Granted
22 Gallys Road Windsor SL4 5QY
Part single, part first floor, part two storey wrap around (sides/front) extension.
Other lawful development applications
In Windsor and Maidenhead
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26/01836/CPD Awaiting decision
Rivendale 22A Gloucester Drive Wraysbury Staines TW18 4TY
Certificate of lawfulness to determine whether the proposed conversion of the existing garage into habitable space is lawful.
-
26/01528/CPD Granted
Foxley Manor Forest Green Road Holyport Maidenhead SL6 2NW
Certificate of lawfulness to determine whether the proposed erection of an outbuilding is lawful.
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26/01532/CPD Granted
72 Highway Avenue Maidenhead SL6 5AQ
Certificate of Lawfulness to determine whether the proposed rear dormer roof extension and associated internal alterations to enlarge the existing loft accommodation is lawful.
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26/01823/CPD Awaiting decision
Highwood Corner Grubwood Lane Cookham Maidenhead SL6 9UB
Certificate of lawfulness to determine whether the proposed garage conversion, alterations to fenestration, 1 no. front dormer and 1 no. rear dormer to facilitate a loft conversion is lawful.
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26/01772/CPD Granted
18 Broken Furlong Eton Windsor SL4 6PD
Certificate of lawfulness to determine whether the proposed erection of a single storey rear detached annex to be used incidental with the host dwelling is lawful.