Complex sentence: St. Lukes church was built and consecrated in 1848, designed in a largely Gothic style with a spire, this spire was removed in the 1950s or 1960s when stonework began crumbling.
Split into simpler sentences: St. Lukes church was built and consecrated in 1848. It was designed in a largely Gothic style with a spire, this spire however was removed in the 1950s or 1960s when the stonework began crumbling.