Planning application
PL/25/6578/EU
Arkley 69 Marsham Way Gerrards Cross Buckinghamshire SL9 8AW
Proposal
Certificate of lawfulness for existing non material amendment to planning permission 13/02118/FUL (Introduction of two rear dormer windows, addition of two first floor windows on front elevation, alterations to the approved windows, removal of room above garage, removal of front extension to garage, first floor front / side infill, changes to roof profile)
As published by the council, reference PL/25/6578/EU
Timeline
Dates from the published record
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3 Feb 2026
Received by Buckinghamshire
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31 Mar 2026
Decision issued: Cert of Law EXISTING-grant use
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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
-
PL/25/6509/CONDA Decided
Badminton House 38 Marsham Way Gerrards Cross Buckinghamshire SL9 8AP
Application for approval of details subject to condition 5 (ecology) of planning approval PL/24/1579/FA
-
PL/26/05953/NMA Awaiting decision
24 Woodlands Gerrards Cross Buckinghamshire SL9 8DD
Non material amendment to planning permission PL/25/1113/FA (Conversion of existing integral garage at lower ground floor level to home office and construction of single storey detached triple garage. External and fenestration alterations including cavity brickwork, new staircase and driveway alterations ) to reduce size of garage
-
PL/26/00671/KA Decided
Laurel House 36 Marsham Way Gerrards Cross Buckinghamshire SL9 8AL
T1 Cypress - reduce lateral growth all around by 1m. (Gerrards Cross Centenary Conservation Area).
-
PL/26/05442/TP Awaiting decision
Foxcote 13 Woodlands Gerrards Cross Buckinghamshire SL9 8DE
Oak - Remove due to disease in roots.
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PL/25/5897/FA Refused
Thornbury House 16 Woodlands Gerrards Cross Buckinghamshire SL9 8DD
Loft conversion incorporating front, side and rear dormers.
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PL/25/5022/FA Granted
Knoyle House 4 Vicarage Way Gerrards Cross Buckinghamshire SL9 8AS
Construction of a single storey outbuilding to be used as a home gym.
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.
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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