Planning application
26/00315/CPD
46 Thurlby Way Maidenhead SL6 3YZ
Proposal
Certificate of lawfulness to determine whether the proposed garage conversion , alterations to roof of the single storey side element and alterations to fenestration are lawful.
As published by the council, reference 26/00315/CPD
Timeline
Dates from the published record
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5 Feb 2026
Received by Windsor and Maidenhead
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31 Mar 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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22/03329/FULL Granted
32 Thurlby Way Maidenhead SL6 3YZ
Two storey side/rear extension, first floor side extension and alterations to single storey roof on front elevation.
-
26/00584/CONDIT Granted
2 Cadwell Drive Maidenhead SL6 3YR
Details required by Condition 3 (External Lighting Scheme) of planning permission 25/03385/FULL for a garage conversion, first floor side extension and alterations to the external finish and fenestration.
-
23/00020/FULL Granted
12 Dunholme End Maidenhead SL6 3YP
Single storey front extension, garage conversion to habitable accommodation, 3no. parking spaces and alterations to fenestration.
-
26/01496/FULL Awaiting decision
3 Thurlby Way Maidenhead SL6 3YZ
Single storey front/side extension with external flue (retrospective)
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22/02320/FULL Granted
1 Somersby Crescent Maidenhead SL6 3YY
Garage conversion and alterations to fenestration.
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26/01348/LEG Granted
Site of Compound At Thrift Wood Farm Ockwells Road Maidenhead
Discharge of planning obligation S106 (carbon offset performance review) in regards to planning permission 24/01769/VAR
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.
-
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.
-
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.