Folkestone Sports Centre has been put on the market following its sudden closure and is expected to attract a “diverse range of property investors”. It shut at the end of July, causing 144 job losses as the charity which ran it said it could no longer afford to remain operational. Administrators Opus Restructuring LLP, appointed last month, previously said building homes on the site cannot be ruled out. Now specialist leisure property adviser Christie & Co has been instructed to put the sports centre in Radnor Park Avenue on the market. It is not clear how much it will be sold for but Christie…