Just rang them back again, and they also want to put the accidental damage excess up! He even said that if these wheels had been on from new then they would count as an optional extra not a modification, and my premium would be the same as it is now. Work that one out.
This is Direct Line by the way.
Just read through your thread on problems with Direct Line and the sound kit! Must say they have been good in the past when I have claimed. They obviously just don't like modifications!
This is the price you pay for being honest...