Sunningdale Park Sunningdale Park Sunningdale Park is a meeting and conference venue in Sunningdale, Berkshire that is run by De Vere Venues. In grounds of there is a Grade II listed neo-Georgian mansion called Northcote House, which was built in 1930, and in which notable features include the grand staircase and front portico. Within the grounds there are gardens and a lake, a restaurant, lecture theatres, training rooms, a swimming pool and 272 bedrooms in accommodation blocks. The ill-fated Sunningdale Agreement on power-sharing in Northern Ireland was signed in Northcote House on 9 December 1973. The site housed the National School of
Royal County Down Golf Club "Golf Digest", and in 2007 it was ranked first. In 2016 it was voted the best Golf Course in the world by US magazine Golf Digest. Royal County Down has made outstanding contributions to Irish golf from the Club's beginnings, hosting many important tournaments, starting soon after it opened, and continuing to the present day. Notably, the Club in 2007 became just the second Irish venue, after Portmarnock, to host the Walker Cup. The Irish Open on the European Tour took place in late May in 2015, returning to Royal County Down after 76 years. It previously hosted the event