ReadyMade Floors?

[rollercoaster]

As there seems to be useful and economic suppliers of door cards,
I was wondering if there are suppliers of floors.

I have gutted out my Danbury and the floor needs replacing,
luckily I have got to it before any rust damage of the metalwork,
so it just needs a little preventative treatment,
and then insulation and new boards.

So before I get to it and cut all the bits from big bits...
is there some firm that sells it already cut to pattern?
Seems likely, and I am hopeful!