Complex sentence: The Copthorne will house some 174 hotel rooms and the Millennium will be the largest of the two with 240 rooms, they will also boast meeting and conference facilities, bars, restaurants and a gym.
Split into simpler sentences: The Copthorne will house some 174 hotel rooms, and the Millennium will be the largest of the two with 240 rooms. They will also boast meeting and conference facilities, bars, restaurants and a gym.