Complex sentence: St Philip's was designed by Thomas Archer and constructed between 1711 and 1715, with the tower being complete by 1725, and the urns on the parapet added in 1756.
Split into simpler sentences: St Philip's was designed by Thomas Archer and constructed between 1711 and 1715. The tower was complete by 1725, and the urns on the parapet were added in 1756.