 Douglas's works also included farms, shops, offices, hotels, a hospital, drinking fountains, clocks, schools, public baths, a library, a bridge, an obelisk, cheese factories, and public conveniences.As his office was in Chester, most of his works were in Cheshire and North Wales, although some were further afield, in Lancashire, Staffordshire, Warwickshire and Scotland.Throughout his career Douglas attracted commissions from wealthy and important patrons.