J F Finnegan appointed as Main Contractor for Westfield Health new HQ. Health insurer Westfield Health has announced the appointment of the main contractor for its new headquarters in the heart of Sheffield city centre. J F Finnegan Ltd will be the principal design and build contractor working on the development of Milton House on Charter Row. The plans for Milton House, which were approved by Sheffield City Council in May, include reconfiguring the main entrance, developing a new reception area for the main building, and creating a reception for Westfield Health on the fifth floor and a new customer service call in facility for policyholders. Work is expected to begin in September and completed in the summer of 2016 with more than 200 Westfield Health employees moving to Milton House shortly after.