Does anyone know where I can get a new inside roof section for my uno? I have no idea who to ask and I don't have time to go searching round breakers yards. Please help!

You have three options:

1. Breakers yard (which you don't want to do, plus the linings tend to get stained or go off colour over time so most of them will be in the same condition)
2. Fiat (Expensive, even if they can still get them)
3. Re-cover the one you have.

I'm going to be re-covering one of mine. I took the headlining out 3.5 years ago and have still yet to get round to it though Shouldn't be too hard if you use the right material and take your time