www.hindleys.com
download their 8 meg brochure.
They are in Sheffield.
They do losts of home hobbyist craft stuf inc small alu, copper, brass etc sheet, and bar stock in lots of metals. Electricals and loadsa plastics
too. I found them by searching for technoweld - a kind of aluminium brasing rod. gonna need that for some of my panels
atb
steve