You can see the rear of the caravan below, where the bathroom was, I'll have to replace about 1/4 of the top layer of the floor and about a 30 cm strip of the lower floor. Looking at the cost of exterior ply compared to marine ply I may as well get a sheet of marine ply and use that.
I still haven't worked out where she is leaking from, I have a feeling its something to do with the roof and/or the side rails. I need to figure it out and seal it before I fully fix the interior for obvious reasons, however she needs to dry out before I can start work on the rebuild.
The door frame had rotted to almost nothing:
You can see through the floor here where the door frame was:
I'm hoping to have the back end sorted by the end of the week, fingers crossed!