This is not actually anything to do with me, but when I was looking I found this company based in Leicester that distribute nationally.
http://www.ajbaqua.co.uk
They sell all kinds of water features and planters at very good prices. And the service is excellent.
I bought a few items, with my favourite being the wall tap water feature.
Hope this helps someone. Please reply if you do use them. I am very curious of others peoples experience.