 As partners, Burnet and Campbell never succeeded in English architectural competitions and it was only after Campbell's departure that Burnet extended the practice south of the Border.In 1903–1904 the Office of Works selected Burnet to design the Edward VII Galleries at the British Museum in London.In 1905 Burnet opened a London office in the name of John J Burnet at 1 Montague Place (a grace-and-favour house rented to him by the Museum), taking the young Tait with him.