Omnifuss

This is a small, non profit partnership run by two London based artists.
They have have two to three exhibitions per year, each with a different theme, and artists are asked to make work in reaction to this.
They have an open submissions policy and aren’t your typical art snobs.
I went to their last exhibition ‘Downstairs’ and it was fantastic, plus you get a cuppa and a truffle upon entry (which is free).