I've just done a quote on CompareTheMeerkat (assuming I'll get a
290 on Jan 1st), and it's come in at £
280, fully comp, £100 total excess, protected NCB. That's with Admiral. All their brands (Elephant, etc.) are similar. Oddly Admiral Little Box (i.e. with a telematics box) comes in £120 more expensive!
I've 42 with 25 years' no claims, 4000 miles pa, SDC only, kept on my drive, one accident about 5 years ago which was no fault and didn't affect my no claims.
At the bottom of the list (of only about 7 who quoted) is Insure Wiser who have quoted £10,983.90!!!! (with NO excess)