Complex sentence: The somewhat narrower quire with its arch and 5/8 end is set to the east, ahead of the tower, which itself was given a new neo-Gothic pinnacle after a lightning strike in 1885.
Split into simpler sentences: The somewhat narrower quire with its arch and 5/8 end is set to the east, ahead of the tower. The latter was given a new neo-Gothic pinnacle after a lightning strike in 1885.