Is Ripon Cathedral or St Philip's Cathedral, Birmingham a Grade I listed building?
St Philip's Cathedral, Birmingham The Cathedral Church of Saint Philip is the Church of England cathedral and the seat of the Bishop of Birmingham. Built as a parish church and consecrated in 1715, St Philip's became the cathedral of the newly formed Diocese of Birmingham in 1905. St Philip's was built in the early 18th century in the Baroque style by Thomas Archer and is located on Colmore Row, Birmingham, England. The cathedral is a Grade I listed building. St Philip's is the third smallest cathedral in England after Derby and Chelmsford.
Grade I listed buildings in Anglesey In the United Kingdom, the term listed building refers to a building or other structure officially designated as being of special architectural, historical, or cultural significance; Grade I structures are those considered to be "buildings of exceptional interest". Listing was begun by a provision in the Town and Country Planning Act 1947. Once listed, strict limitations are imposed on the modifications allowed to a building's structure or fittings. In Wales, the authority for listing under the Planning (Listed Buildings and Conservation Areas) Act 1990 rests with Cadw.