Complex sentence: Apart from the tower, the building was rebuilt in a classical style to the designs of James Gibbs of 1725, and it was further enlarged in 1972, and at the same time, the ciborium was added over the altar.
Split into simpler sentences: Apart from the tower, the building was rebuilt in a classical style to the designs of James Gibbs of 1725, and it was further enlarged in 1972. At the same time, the ciborium was added over the altar.