Mass are an architectural practice that started in London in 2004 and
relocated to York in 2009, that work throughout the Yorkshire and Humber region.
They have won multiple design awards for their work in London and York and
have been involved in a wide range of projects with local, regional and
Mass operate across a wide and varied client base, dealing with one-off
projects as well as commercial developments. Clients vary from private
individuals to voluntary organisations or larger companies. They operate in
the heritage, commercial, community and residential sectors.