Just wanted to boot up this thread again by looking at the pictures does anybody know how much I should be looking at to fix this spot. Since these pictures I've knocked out all the rust where the hole is so its about 4in in length and same width. I lifted up the carpet earlier and found two other spots, not holes but in bad condition. I would just like the point out that I put the hole through myself by stabbing with a screwdriver. There is also a spot roughly in the same place on the other side of the car, not as bad but also not brilliant. On the side with the hole, because the corrosion spots are in close proximity it would probably mean cutting out a section about A5 size piece of paper to weld in. Ill get some pictures of it all to follow. I did an inspection underneath and other than the spots I can see there doesn't appear to be any more damage, anyone in Cheshire area help a brother out with some welding/rough quotation of what I should be looking at? Mot is 26th of this month but no point taking it in it's current state. Cheers.