Just 2.5% of buildings are listed in the Grade I category. These include buildings of the highest national, architectural or historic significance. Some of the UK’s Grade I listed buildings include Blackpool Tower, Portchester Castle and Liverpool Cathedral.

Grade II* and Grade II are the most common listings. Grade II* listed buildings have a specific characteristic of special interest, such as an aesthetic feature. Examples include Battersea Power Station and the Coliseum Theatre.

Grade II listed buildings account for 92% of all listed buildings in the UK and are buildings that warrant preservation efforts for their special interest. Examples of buildings and properties that have Grade II listing include houses and public houses, hotels, railways stations, theatres and stadiums.