2018
ST8043 : Sluice off Half Mile Pond
taken 6 years ago, near to Corsley Heath, Wiltshire, England
Sluice off Half Mile Pond
Grade I and Category A listed buildings and structures
Grade I listed buildings and structures are of exceptional, even international importance. There are over 6,000 in the country. Only 2.5% of listed buildings are Grade I listed.
In Scotland the classification is Category A
Index: Link