I changed cars from a c4 grand Picasso to an xc90 when I went to transfer insurance to Volvo they wanted £390 additional premium to cover till mid May.
so obviously didn't use them so I canceled policy further £56 to do that.
went on the comparison sites and was getting quotes of £670 - £730 to to same day so I decided to change start date to 12th and policy for year dropped to £380
Couldn't work that one out but took it so now happily running about in Volvo