First good news is that the caravan has a WoF and can now be legally towed.
The making of the new 12mm plywood cabinets advanced well. As with my last bus project, I used beech-veneered 12mm ply for visible faces and 12mm pine plywood for hidden surfaces. I glued a pine strip on the edges, either 5mm or 12mm thick, the former being a 12mmx12mm strip