Complex sentence: Meetings of the Scottish Assembly would have been held at the Old Royal High School in Regent Road, Edinburgh; the former school hall was adapted for use by the Scottish Assembly, including the installation of microphones and new olive green leather seating.
Split into simpler sentences: Meetings of the Scottish Assembly would have been held at the Old Royal High School in Regent Road, Edinburgh. The former school hall was adapted for use by the Scottish Assembly, including the installation of microphones and new olive green leather seating.