The owners of the Onyx Bar in West Perth plan to spend about $1.2 million developing a chic restaurant and bar at the base of Exchange Plaza, after buying the lease to the site from well-known restaurateur Warren Mead.

The owners of the Onyx Bar in West Perth plan to spend about $1.2 million developing a chic restaurant and bar at the base of Exchange Plaza, after buying the lease to the site from well-known restaurateur Warren Mead.