Floor mosaics and part of a hypocaust system were uncovered. It has a hypocaust heating system and mosaic pavements. The tunnels were identified as the hypocaust of a bathhouse. Mixed radiation, convection and conduction systems have existed since the Roman use of hypocaust heating. The heating systems of these villas relied on the Roman hypocaust. The Aula Palatina was equipped with a floor and wall-heating system (hypocaust). Roman bricks, hypocaust bricks and shards come from the marketplace south of the town hall. The well-preserved remains included a hypocaust for heating. The Roman hypocaust employed a similar principle of operation. Settlement at Stonham Aspal dates back to the Roman hypocaust period. Pakistan have unearthed what is believed to be a hypocaust lined with bitumen-coated bricks. Southill House in Cranmore, 10 miles southwest, has evidence of a villa with a hypocaust. The building includes a functioning hypocaust system. The foundation and a hypocaust can now be viewed in a protective building.