Planning application
PL/26/01386/SA
93 Mayhew Crescent High Wycombe Buckinghamshire HP13 6DF
Proposal
CERTIFICATE OF LAWFULNESS FOR PROPOSED CONSTRUCTION OF A REAR BOX DORMER
As published by the council, reference PL/26/01386/SA
Timeline
Dates from the published record
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18 Feb 2026
Received by Buckinghamshire
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12 Apr 2026
Decision issued: Cert of Law PROPOSED-granted
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4 Aug 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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PL/25/5116/FA Refused
36 Amersham Hill Drive High Wycombe Buckinghamshire HP13 6QY
Single storey rear extension, additional stepped access to rear, conversion of existing garage and addition of bay window to match existing to front elevation.
-
PL/25/5657/TELN Decided
Arnison Avenue Terriers Totteridge High Wycombe Community Board Buckinghamshire HP13 6DB
Notification under Regulation 5 of the electronic communications code (conditions and restrictions) Regulations 2003 (as amended) to install one 10M light wooden pole and one 10M light hollow pole
-
PL/25/5804/CONDA Decided
Community Hall Arnison Avenue High Wycombe Buckinghamshire
Application for approval of details subject to condition 2 (Noise Management Plan) of planning approval 24/06341/VCDN
-
PL/26/05221/FA Awaiting decision
4 Perth Road High Wycombe Buckinghamshire HP13 6XX
Single storey rear extension, outbuilding within the rear garden & new dropped kerb in association with provision of off street parking
-
PL/26/05177/SA Awaiting decision
4 Kingston Road High Wycombe Buckinghamshire HP13 6UJ
Certificate of lawfulness for the proposed removal of existing extension and replacement with a new one
-
PL/26/00142/KA Decided
24 Amersham Road High Wycombe Buckinghamshire HP13 6QU
H1 - Conifer hedge - Trim back as much as possible to leave green following the contour of trees where necessary. Top all conifer hedges to previous reduction points - up to 2 metres, T2 - Laurel - cut back to boundary and top to 10 ft - up to 2 metres, T3 - Plum - Fell to ground level, T4 - Holly - remove top to previous reduction point approximately 1 metre, T5 - Bay - Shorten bent stem to in line with stem leaning towards house by up to 2m, new cut to be hidden by front stem from porch aspect. Stem leaning towards porch to be shortened by 2 metres and T6 - Cherry - Fell to ground level
Other lawful development applications
In Buckinghamshire
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PL/26/01164/SA Refused
64 Sandholme Steeple Claydon Buckinghamshire MK18 2QE
Certificate of lawfulness for proposed dropped kerb.
-
PL/26/01589/SA Refused
3 Corn Mill Close Wing Buckinghamshire LU7 0PL
Certificate of lawfulness for the proposed single storey rear extension and part garage conversion.
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PL/26/01721/SA Granted
Burton House White Lion Road Little Chalfont Buckinghamshire HP7 9LP
Certificate of lawfulness for the proposed change of use of building from Existing Office Building (Class E) to Veterinary Practice (Class E).
-
PL/26/05515/SA Awaiting decision
Dinton Hall Upton Road Dinton Buckinghamshire HP17 8UQ
Certificate of lawfulness application for proposed crossover field access point.
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PL/26/05843/SA Awaiting decision
Land at Springfield Farm, South Heath, Buckinghamshire
Certificate of Proposed Lawful Development for the temporary storage of soil stockpiles at Springfield Farm field at South Heath, Buckinghamshire