So, taken out (ripped) the headlining and lining down the sides. Looking in decent shape, fair bit of rust on the sunroof though.
The glovebox came out pretty easily too:
Next job is welding up the sunroof, which I've been researching this evening. Some good articles on removing the sunroof and after removing the sunroof - which I intend showing to my local garage and asking them to crack on! If I had a welder and the other various tools mentioned I'd have a crack...
With the sunroof sorted, I'm thinking of sorting the seat as apaprently they are a cow to get in when the cage is fitted. This looks like the job for a decent racing seat