Best bet is online. Just make sure you go fopr one of the reputable makes e.g. Sorby, Ashley Ilse, Hamlet, Crown etc. Pretty much all as good as one another thoiugh Record tend to have short handles. I buy them unhandles and make my own to suit. Alternativdely, if you know what you are buying there is a tool shop just up the road from the BRI that sells 2nd hand tools and I have seen wood turning tools in there, might be worth a look.
Pete