The Exchange in Bristol was built in 1741–43 by Wood, with carvings by Thomas Paty. Wood was also the architect of the Liverpool Exchange, which was completed in 1754 and gutted by fire in 1795. The London Exchange of Wood's day was also destroyed by fire in 1838. Bristol's Exchange is therefore unique, the only surviving 18th-century exchange building in England. When finished in 1743 the Exchange, as planned, had "the outward appearance of one grand structure," and the much-admired exterior remains today largely as built. The front of the building has Corinthian columns in the centre and pilasters to the sides. A central semicircular-arched doorway has cast-iron lion-head knockers. A frieze with human and animal heads symbolises trade, and a royal coat of arms is displayed in the tympanum. The rear of the building is symmetrical with pedimented windows and semicircular ground-floor arches.