- fl. 1780 - 1858
William Armstrong was born in Perenwood, Northumberland in c.1780. In 1824 he became resident engineer to the Thames Tunnel, recommended by Bryan Donkin and John Rennie. He resigned through ill-health in 1826 and was described as being ‘of Bristol’ in the Worcester Journal. Colvin lists him as an architect and civil engineer in Bristol and he became a building surveyor there from 1836 until his death in 1858.