Fello Atkinson passed away in 1981, and James Cubitt followed a couple of years later in 1983.

Zbyszek Plocki was made a senior partner of the London firm in 1983 and later became the managing director of the company in 1988.

Zbyszek Plocki invited John Kress and David Godfrey to become partners in 1988 and a year later the partnership became a limited company.

Kenya: the office in Nairobi was established in 1985 it is a wholly owned subsidiary of JCP London.

Australia: the office in Brisbane, Queensland was established in 1986 by Rod Christmas.

Nigeria: In 1987 Alan Davies was appointed director of the James Cubitt Architects Nigerian office with Chief Essien Oku.