Aukett Fitzroy Robinson has won planning permission to radically rework one of Cardiff's most historic buildings.
The English practice will oversee a £20 million redevelopment of the Grade II*-listed Coal Exchange in Cardiff Bay.
The building - which was the site of the world's first £1 million business deal - will house a mixture of offices and residential units.
Its central hall, which has recently been used for concerts, will be retained and upgraded and will continue as a music venue.
Developers hope to start on the project early in the New Year. by Ed Dorrell