The Oxfordshire restaurant and hotel founded by celebrity chef Raymond Blanc first opened in 1984 and, now owned by Belmond, is currently closed to undergo significant renovations. An aerial shot of the ongoing works at Le Manoir aux Quat’Saisons in Oxfordshire. An aerial shot of the ongoing works at Le Manoir aux Quat’Saisons in Oxfordshire. READ MORE: Oxford University insists Common Ground can be made to leaveAn aerial shot of the ongoing works at Le Manoir aux Quat’Saisons in Oxfordshire. (Image: Ed Nix)Approximately 15,840 cubic metres of soil are set to be excavated, equivalent to 6.3 Olympic sized swimming pools.