Hello mate,
Yea, I was truly expecting worse! I know how some of them go!! It will only need one half on the drivers side rear, the passenger side pictured in the last pic is solid as we could not hole it with a screwdriver, it is all surface, so gunna grind that down and weld a new floor pan in the other side to make it solid again.
I look at it this way, once it's done, it's mint that's it. I'd rather strip it totally and do it properly than do a half arse job and it just remain a rotbag!
Cheers for the comment