Have done a lot of welding but leaving the boot floor to a professional, should be getting done in a week or 2. Lots of other progress but I'll post it nearer completion
I've got a set of OE chassis legs if those are any good to you? Was going to use them myself until a cheap boot floor turned up. They're in my thread in the for sale section.

'95 Peugeot 405 GLX with XU10J4RS and ITB's
'97 Peugeot 406 1.9TD with TD04
'05 RenaultSport 182 Cup
'97 Peugeot 406 1.9TD with TD04
'05 RenaultSport 182 Cup