The Research Centre for Experimental Practice EXP was set up in 2003 at the Department of Architecture at the University of Westminster to support, document and generate the experimental design projects which act as a ‘laboratory’ for the architectural profession, including built and unbuilt designs, books, exhibitions and other forms of practice.

Its major projects are the Supercrit series of events and publications, which
bring some of the world’s most influential architects back to architecture school to debate their most famous projects with a panel of international critics, students and the public and the Archigram Archival Project, which makes the work of the seminal and iconoclastic architectural group Archigram available online for academic study and public browsing.

Other projects include the elusive architect David Greene's 'anti-building' project L.A.W.u.N. projects #19 and #20, and the Open Studios teaching blog network and website for the University of Westminster's design teaching studios.
EXP also acts as umbrella group for the research aspects of leading international architectural practices led by teachers within the Department of Architecture including Peter Barber Architects, Andrei Martin and Andrew Yau of Urban Futures Organisation, and Sean Griffiths, founding partner of FAT.

EXP is run by Dr Kester Rattenbury, Reader in Architecture at the University of Westminster.