Corn market built in 1832 on the site of Plas Mawr. The roof and interior were remodelled in the later nineteenth century.
A large building with a hipped slate roof, occupying a large block between Palace Street and Hole in the Wall Street, showing simple classical facades to both.
Facing Palace Street is a two storey, three bay facade of dressed stone. The central bay rises to a pediment and has a single doorway. The outer bays both have two arched openings. The upper storey is lit by lunettes. The Hole in the Wall Street facade is similar, but smaller.
The interior features galleries supported on cast iron post. There is a raised central lantern.

Source: CADW Listed Buildings Database (3907)

John Wiles 29.06.07