The Natural Philosopher says...
I guess that would be perfectly legal. May be worth
considering.

I assumed that was what was intended..


There is legal and assumed legal. I could find out exactly
what the legal building requirements are in France in this
respect which frankly would be complicated as my grasp of
French is not fluent yet. Or I could do as suggested which
I would *guess* would not be illegal. :-)
--
David in Normandy