Complex sentence: Like its predecessors, the 1913 Act deliberately omitted inclusion of inhabited buildings, whether they were castles or palaces, this was ironic as the catalyst for the 1913 Act had been the threat to Tattersall Castle, Lincolnshire.
Split into simpler sentences: Like its predecessors, the 1913 Act deliberately omitted inclusion of inhabited buildings, whether they were castles or palaces. This was ironic as the catalyst for the 1913 Act had been the threat to Tattersall Castle, Lincolnshire.