The old girl failed her MOT at the beginning of last week (July 08) due to some nasty rust at the rear of the front tub. Grounding of the front and general erosion of the underseal over her many years had created a water trap where the plastic undertray butted up to the un-protected front tub. The floor of the tub is a welded in panel and had rusted through at the rear. It was regarded by the MOT guy as structural rust and therefore a fail. Consequently it was sent down the road to a body work specialist for diagnosis of what could be done.
Thankfully it hadn't developed to the point where the boot floor had to be removed and replaced as this would have been horrendously expensive. Not to mention the car being off the road for at least a month. The repair involved grinding away the rust and welding it back together and then applying a new layer of underseal. I'm no expert but it looks a very tidy job to me. Oh and it was still a very time consuming job and a stab in the wallet at nearly £500 including the MOT!