Gervase of Canterbury gives a detailed account of the fire that ravaged Canterbury Cathedral in the 1170s, after which an excerpt from the fire regulations published in 1212 in London after another major fire in the city is included. Building and repairs are exemplified by documents recording work done at WIndsor Castle and Westminster Abbey, as well as the accounts of payment made for repair to the clock on Westminster Palace, now replaced by Big Ben. Finally a contract is included between a builder and the authorities at St. Paul’s regarding the building of a large merchant’s house in the City of London, with details as to the plan of the house and the sourcing of the materials.