how much did the roof cost on centre court at wimbledon
Centre Court The roof's ten trusses each weigh 100 tonnes, and the total weight, including non-moving parts, is 3,000 tonnes. The total area of the roof when fully deployed is 5,200 m2.[21] The cost of the roof has not been disclosed by the Club, but is estimated at £80–£100 million.[22] Another retractable roof is planned for No. 1 Court and due to be completed in 2019.