Can you identify this building to win a £25 drinks voucher?

You may not think this building is worth a hill of beans, but its owners certainly did. So what is it?

Email your answer to First correct answer wins. The editor’s decision is final. No cash alternatives will be offered. No employees of CMP Information or their relations enter.

The building on 14 November was the Ben Pimlott building at Goldsmiths college, designed by Will Alsop and completed in 2005. The winner was Philip Cowling of Birkbeck College.