Your post code has a huge effect. My brother lives 6 miles south of Guildford (37 miles away) and my insurance would drop by over half if I moved mine there.
I'm Cambridge. Don't know if that's good or bad. My wife wont move on the grounds of bike insurance I do know !!!
As soon as I retire I'm moving out of here... too busy and noisy. I'll check out the bike insurance, but by then it will probably be half of nearly nothing.
I currently have both the 1198 and the 916 multipolicied via Carol Nash at the princely sum, if memory serves, £460 fully comp with a £250 excess. Ive full no claims. I thought that reasonable. One is in Surrey dont you know. What