Sierra donor, but you don't need all the parts.

Generally the front rack for example is shortened Mk2 Escort, as the track on the Sierra is far too large.

Chassis was about £400+ the dreaded.

You can make your own, but it's the little touches that you forget about - thinks like handbrake cable runners, gearbox lever stops etc etc.........

I'll explain the SVA and Q plate stuff, as it's a little more complicated, but there are ways round not ending up on a Q plate when you should do........