Frederick Wright Unwin, solicitor and director of the Australasian Sugar Company, obtained land in the Undercliffe area, east of Thorp's property, in 1840, and built his home, which he called "Wanstead". Initially, a punt was used to cross the Cooks River. Later, a wooden bridge was built and the road eventually became known as Unwins Bridge Road. The name of the property survives in Wanstead Avenue and Wanstead Reserve. Abraham B. Pollack acquired eight grants in the 1830s, totalling , which covered most of Earlwood and Undercliffe. Subdivision began in the 1880s.