Guernsey

Courtillet Design

Other working in Guernsey. Named as the agent on 5 planning applications in the register we hold.

What they work on

From the wording of 5 of their applications. Mostly extensions — 80% of the sample.

Applications on the register

ReferenceWhereWhatDecision
FULL/2026/0003La Remise Les Villets Forest Guernsey GY8 0HRErect single storey extension to south (front) elevation, demolish bay window, erect extension/bay window to west (side)Notification of Grant of Full Planning P
FULL/2026/0120Milcosa 10 Croutes Havilland St. Peter Port Guernsey GY1 1EXPartially demolish extension, erect single storey extension and erect dormer window to south (rear) elevation.Notification of Grant of Full Planning P
FULL/2026/0537Appenzell Rue De Brehaut St. Pierre Du Bois Guernsey GY7 9TNExtend dwelling to rear (north) elevation including install dormer window to east and west elevations and install roofliNotification of Grant of Full Planning P
FULL/2026/0832Flat 2 7 Berthelot Street St. Peter Port GuernseyExtend and alter at first floor level, raise roof height to create accommodation at second floor level and create covereNotification of Grant of Full Planning P
FULL/2026/10887 Berthelot Street St. Peter Port Guernsey GY1 1JSChange of use of section of ground floor from office (Use Class 15) to residential (Use Class 2).PENDING

All Guernsey other