Michael Wilford & Partners' £15.5 million British Embassy in Berlin has been held up by endless pfi talks. The scheme, being built and run by a German consortium called Arteos, is due to be completed next spring - a year late. One of the architects, Laurence Bain, said: 'The project went through pfi and that took a year. Documentation is very detailed and complex.' The building will be close to Foster and Partners' domed Reichstag.