...... "Since importing/registering".....
Suggests that you once had v.i.n. insurance certificate/covernote to satisfy our friends at the dvla.
Are they no longer competitive?
Following the link above reflects actual quotes, nearly all good.
Adrian Flux mirrored my max N.C.D for second vehicle without conditions.
It goes without saying, a bad driving record coupled with negative insurance history, is risky business in their eyes.
That, above all else, is when customers get "clobbered"