The University of Dundee's School of Architecture completely bypasses the issue of language. It's located in Dundee, Scotland, where English is one of the country's three recognized languages.
The Liverpool School of Architecture is located in Liverpool, England. As English is the officially recognized language of England (other than Cornish, which is only regional), all courses at the university are taught in English.
The Politecnico di Milano is the school of architecture of Milan, Italy. The school offers bachelor's and master's degree courses for foreign students in English. The university also has a doctoral program in English.
The Aarhus School of Architecture in Aarhus, Denmark offers courses in English for both exchange students and full-time students at the university.
The Dessau Institute of Architecture in Dessau, Germany offers a full 2-year master's degree program in English.
The Umea School of Architecture is in Umea, Switzerland. It offers courses taught entirely in English to 250 students a year.