Complex sentence: The flats and particularly the bar became famous as a centre for intellectual life in North London, famous residents included Agatha Christie, and regulars at the Isobar included Henry Moore, Barbara Hepworth and Ben Nicholson.
Split into simpler sentences: The flats and particularly the bar became famous as a centre for intellectual life in North London. Famous residents included Agatha Christie, and regulars at the Isobar included Henry Moore, Barbara Hepworth and Ben Nicholson.