Complex sentence: The historic parish at no points exceeds above river level and no remaining woods but has a large number of parks, leisure centres, a football club which has reached the conference level and some multinational research/technology company offices.
Split into simpler sentences: The historic parish at no points exceeds above river level. It has no remaining woods, but a large number of parks, leisure centres, a football club which has reached the conference level and some multinational research/technology company offices.