So, after 3 days/nights of sleeping on the clubhouse floor with non-stop pouring rain, we decide to abandon the Shadow and get a lift for the drive back South.
Some hours into the drive it became clear why we got stuck - loads of the Midlands and Gloucestershire were flooded by the weather. I mean really badly flooded - we drovepast many houses with water up to the upstairs windows, and plenty of roads washed away.