Can you identify this building from the close-up photo?

In the detail 26 July 2013

To complement our photo montage competition we are bringing back our “In the detail” reader competition, where we ask you to identify a building from a close-up photograph.

Submit your answers to The competition will close at noon on Friday 2 August and all correct entries will go into a prize draw for £25 worth of John Lewis vouchers.

THIS COMPETITION IS NOW CLOSED. The answer is 240 Blackfriars Road, Building’s future headquarters.

We will announce the winner in the magazine on Friday 9 August.