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

Guess the building

You don't often get a 20th-century addition that is more colourful than the 19th-century original, as it is here. But what is it?

Email your answer to us at The first correct response wins. The editor's decision is final. No cash alternatives will be offered. No employees of The Builder Group or their relations may enter.

The building on 10 March was Gallery Oldham (below), designed by Pringle Richards Sharratt and opened in 2002. The winner was Vladimir Cassigneul, UK sales manager of Terreal

Gallery Oldham

Gallery Oldham