Is Ripon Cathedral or St Philip's Cathedral, Birmingham a Grade I listed building?
Ripon Cathedral The Cathedral Church of St Peter and St Wilfrid, commonly known as Ripon Cathedral, is a cathedral in the North Yorkshire city of Ripon. Founded as a monastery by Scottish monks in the 660s, it was refounded as a Benedictine monastery by St Wilfrid in 672. The church became collegiate in the tenth century, and acted as a mother church within the large Diocese of York for the remainder of the Middle Ages. In 1836 the church became the cathedral for the Diocese of Ripon. In 2014 the Diocese was incorporated into the new Diocese of Leeds, and the church became one of three co-equal cathedrals of the Bishop of Leeds.
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.