Grade I listed building

A Grade I listed building is a designation in the UK that identifies a structure of exceptional historical or architectural significance. Only about 2.5% of listed buildings achieve this status, which means they are considered very important to the nation's heritage. This classification protects the building from alterations or demolition that could compromise its special characteristics. Maintenance and changes typically require special permissions, ensuring that the integrity of the building is preserved for future generations. Examples include historic castles, cathedrals, and significant stately homes.