Originally they concentrated on industrial buildings. The turning point was the 1969 administrative and leisure center for Fred. Olsen Lines in London Docklands, where workers and managers are not separated any more. Foster and Partners' breakthrough building in the UK was the Willis Faber & Dumas headquarters in Ipswich, of 1974. The client was a family run insurance company which wanted to restore a sense of community to the workplace. Foster created open plan office floors long before open-plan became the norm. In a town not over-endowed with public facilities, the roof gardens, 25 metre swimming pool and gymnasium enhanced the quality of life for the company's 1200 employees. The building has a full-height glass façade moulded to the medieval street plan and contributes drama, subtly shifting from opaque, reflective black to a glowing backlit transparency as the sun sets. The design was inspired by the Daily Express Building in Manchester a work Foster admired in his youth. The building is now Grade I* listed.