Complex sentence: The Little Theatre is home to one of the last surviving summer repertory seasons in the United Kingdom and runs'rep' performances from July to September each year and, in 2014, it celebrated its 50th anniversary as a local centre for arts.
Split into simpler sentences: The Little Theatre is home to one of the last surviving summer repertory seasons in the United Kingdom and runs'rep' performances from July to September each year. In 2014, it celebrated its 50th anniversary as a local centre for arts.