Country/territory: United Kingdom
Central coordinates (latitude / longitude): 51°53'10"N (51.8863°) / 001°14'10"E (1.2363°)
Area (reported): 2,215 hectares / 22.15 km² / 5,473 acres / 8.55 square miles
Area (GIS-derived): 2,220 hectares / 22.20 km² / 5,486 acres / 8.57 square miles
Altitude: 0–4 m (0–13 ft)