Woodall moved to
London to work for the
Woolwich Equitable Gas Company in 1859. Approximately 6 years later, he became manager of the municipal gas works in
Stockton-on-Tees. The small Stockton-on-Tees gasworks was substantially expanded under his management, and he also started providing his expertise as a consulting engineer to other gasworks in the north east of England. He returned to London in 1869 to become manager of the Phoenix Gas Company gasworks in
Vauxhall, and became its chief engineer in 1872. He was in charge of the construction of the gas holders in
Kennington Lane, near
The Oval in 1878. He continued to work as a consulting engineer, and became a full-time consultant in private practice after the Phoenix Gas Company was acquired by the
South Metropolitan Gas Company in 1880. In 1889 he bought
Marle Hall in north Wales. Recognized as a leading gas engineer, Woodall became a director of the
Gas Light and Coke Company in 1897; it was the rival of Sir
George Livesey's South Metropolitan Gas Company. Woodall helped the company become competitive through its efficiency, He succeeded Sir
William Thomas Makins, Governor of the Gas Light and Coke Company in 1906: at this point it was the largest gas company in the world. Woodhall tried to foster good industrial relations, introducing a co-partnership scheme. Woodall was honorary colonel of the
12th Battalion, the London Regiment ("the Rangers"), a
Territorial Force battalion mainly composed of gas company employees. He was also a partner of
Edward B. Ellington in devising schemes for
hydraulic power networks in various cities in the UK and Australia, including the
London Hydraulic Power Company. ==Honours==