Complex sentence: Extensions and extensive interior renovations were undertaken by prominent Birmingham architecture firm Martin & Chamberlain from 1890 to 1895, interior renovations included the building of the Grosvenor Room which boasts rich and impressive Louis XIV style decoration.
Split into simpler sentences: Extensions and extensive interior renovations were undertaken by prominent Birmingham architecture firm Martin & Chamberlain from 1890 to 1895. Interior renovations included the building of the Grosvenor Room which boasts rich and impressive Louis XIV style decoration.