Mark,
SSAC are planning on doing a Nitrox course in the Carlise/Cumbria area for their Branchs round about there in the near future. Course is a TDI course Basic Nitrox taught by TDI/SSAC instructors.
If your not a SSAC Diver one of the instructors also does certs through his own company so you'd be more than welcome.
Drop us an email at
Scotsactraing@aol.com or check out
www.scotsac.com
Regards
jim