I dont mind the hijack - all the woods for this bass came from larry davis at
www.galleryhardwoods.com - the postage sucks but its still worth it for wood like this and larry's prices are very reasonable.
David dyke is also worth giving a ring, he has a basic webpage at
www.luthierssupplies.co.uk.
craft supplies in buxton used to be good but i havnt been in a while because supplies are erratic.
If you are after simple, basic woods that make good guitars rather than this fancy pants stuff you can get good deals at local timber yards
These are worth checking out:
http://www.slhardwoods.co.uk/looseboards.asp
although its a 3 metre minimum order (1 metre x 50mm x 200mm is enough for one body blank). they have ash, cherry, idigbo (korina), mahogany, maple, sapelle, ziracote, walnut and wenge. I would buy body wood from sources like this but i would not order neck wood unless i got chance to inspect it first