What is the oldest cathedral in England?

This is surprisingly difficult to answer. If you mean which cathedral was founded longest ago, then the answer is Canterbury, founded by Augustine in 597. read more

The oldest church building in England, still functioning as a church. St Martin's was the private chapel of Queen Bertha of Kent in the 6th century before Augustine arrived from Rome. Tide mill on Mahee Island: Mahee Island in Strangford Lough, Down, Northern Ireland: 619: The tide mill is part of the Nendrum Monastery site. read more

It is the oldest church in the Americas and the oldest church building in the Dominican Republic (Roman Catholic) St. Paul's Church, Malacca, Malaysia, built in 1521 as a Roman Catholic chapel and finally abandoned in 1753. read more

Colchester Castle is the oldest structure still in use for Christian worship, but now just contains a Chapel. It was build as a temple to Claudius in 54AD, before becoming a Church/Cathedral, and then a Castle at the hands of the Bishop of Rochester, in the 11th century. read more