Hi Websss,
delete the previous rule... Sorry, my fault, that is for a different scenario.
Import.htacess
--
RewriteCond %{HTTP_HOST} ^basistraining\.co\.uk$ [NC]
RewriteRule ^(.*)$
http://www.basistraining.co.uk/$1 [R=301,L]
--
I also attached a screenshot for your comparision.
This rule works fine in my test env.
cheers,
Hades666