- Category: Water Feature
- Type: Island
- Latitude/Longitude: 50°38'43"N 3°17'13"W
- Eastings/Northings: 309093, 83643
- OS Grid: SY090836
- Mapcode Local: GBR P7.85X0
- Mapcode Global: FRA 470C.F7C
Location and coordinates are for the approximate centre of Twopenny Loaf Rock within this administrative area.
Geographic features and populated places may cross administrative borders.