Complex sentence: However Holy Trinity Church, which was built in Little Queen Street was spared, whereas the Sardinian Embassy Chapel, an important Roman Catholic church attached to the Embassy of the Kingdom of Sardinia, was demolished to make way for the new street.
Split into simpler sentences: However Holy Trinity Church, which was built in Little Queen Street was spared. Whereas the Sardinian Embassy Chapel, an important Roman Catholic church attached to the Embassy of the Kingdom of Sardinia, was demolished to make way for the new street.