Hi Dave, Not been on the forum for a week or two. So only just seen your news. Absolutely gutted for you and the mini, think I would be in tears if that happened to mine. However, more importantly you survived without major injury, testament to the build quality of the car.
In terms of value and insurance, got mine agreed value at £6500 and it only has a bog standard 1275 in it, so that value is largely the shell and paint, so yours has got to be worth a lot more. Plus as Keith says, don't forget the personal injury. OK you aren't going to use the ambulance chasing bar stewards, but you HAVE sustained injury and trauma and these days that has a price on it which you can ultimately put towards the rebuild.
Anyway mate, all the best and I like many will look forward to reading about the rebirth of Barry!
Cheers!
Dave