Guernsey planning applications
3,350 applications from the island's planning register. Search by address, reference or what was proposed.
4 applications matching “Castle Cornet”
| Address | Proposal | Reference | Decision |
|---|---|---|---|
| Castle Cornet Castle Emplacement St. Peter Port Guernsey GY1 1AU | Archaeological excavation to section of Prisoners Walk (Protected Building/Monument). | FULL/2023/2361 | Notification of Grant of Full Planning Permission. |
| Castle Cornet Castle Emplacement St. Peter Port Guernsey GY1 1AU | Erect replacement fencing to garden near Sutler's Cottage (Protected Building/Monument). | FULL/2024/0050 | Notification of Grant of Full Planning Permission. |
| Castle Cornet Castle Emplacement St. Peter Port Guernsey GY1 1AU | Restoration works to path (Prisoner's Walk) (Protected Building). | FULL/2025/1750 | Notification of Grant of Full Planning Permission. |
| Castle Cornet Castle Emplacement St. Peter Port Guernsey GY1 1AU | Install rock armour in gully between Castle Cornet and Havelet slipway for temporary period (1st September 2026 - 31 July 2027). | FULL/2026/0993 | Notification of Grant of Full Planning Permission. |
What people apply for, and what gets approved
3,176 decided applications, grouped by what was being asked for. 93% are granted overall — the interesting part is the spread.
| What was applied for | Decided | Granted | Refused | Success rate |
|---|---|---|---|---|
| Extension | 835 | 770 | 51 | 94% |
| Walls, fences and access | 455 | 404 | 43 | 90% |
| Internal alterations | 401 | 375 | 16 | 96% |
| Demolish and rebuild | 296 | 257 | 33 | 89% |
| Garage, annexe or outbuilding | 290 | 263 | 21 | 93% |
| Windows and doors | 250 | 237 | 8 | 97% |
| Change of use | 176 | 145 | 20 | 88% |
| Roof works | 102 | 98 | 2 | 98% |
| Garden building | 88 | 78 | 5 | 94% |
| Signs and shopfronts | 62 | 56 | 3 | 95% |
| Loft or dormer | 59 | 58 | 1 | 98% |
| New dwelling | 49 | 43 | 5 | 90% |
| Trees and landscaping | 31 | 29 | 1 | 97% |
| Two-storey extension | 28 | 25 | 3 | 89% |
| Solar or heat pump | 25 | 21 | 2 | 91% |
| Porch | 22 | 22 | 0 | 100% |
Withdrawn applications are counted in "decided" but never in a success rate — a withdrawal is usually a redesign, not a refusal. Categories are matched from the application's own wording, so a description mentioning two kinds of work lands in the first that fits.
While you are here
Everything the data says about Guernsey
Planning records are a paper trail: an approval means permission was granted, not that the work was carried out. Our copy is refreshed nightly (last read 2026-08-20); for the live position on a specific application, go to States of Guernsey planning register.