JSBP was a Multi-Disciplinary Architectural Practice from 1963 to 2006. It had nearly 100 Architects, Interior Designers, Service Engineers and Quatity Surveyors.

They were lead by "Jack" Bonnington and his partners Ian Graham and Norman Allanson, with a Director for each division of the company.

All the staff including the Cleaners, Kitchen Staff, Caretakers, Secretaries, Financial and Clerical Administrators will be fondly remembered.

JSBP was based at Tyttenhanger House, St Albans, Hertfordshire. The house is a Grade 1 Listed Building, which JSBP converted to office use in 1973.