<Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> Westminster Cathedral, or the Metropolitan Cathedral of the Precious Blood of Our Lord Jesus Christ, in London is the mother church of the Catholic Church in England and Wales . </P> <P> The site on which the cathedral stands in the City of Westminster was purchased by the Diocese of Westminster in 1885 . Westminster Cathedral is the largest Catholic church building in England and Wales and the seat of the Archbishop of Westminster . </P>

What is the main catholic church in london