21/11/2016 by Buildington
The 34-storey building was built using prefabricated units of Portland stone and each honeycomb shape was transported from Portland to London on the back of a lorry. “It is concrete with marble dust that sparkles in the light,” said Tim Bowder-Ridger, the chief executive of Conran + Partners, to The Times. It sparkles again now that the concrete has been cleaned — a task that took 10,000 hours.
Source: Centre Point: from brutalism to towering beauty, Carol Lewis, The Times 18.11.2016 www.thetimes.co.uk