1979 Jaguar XJ12 Sedan White RWD Automatic

I bought this car a couple of years ago from an woman who’s husband had just passed who had been working to restore it. I have invoices from the work he had done. When I got the car I ripped out the interior to begin correcting the rust in the floor pans. My situation has changed and I no longer have a garage to do the work and I can’t afford to have someone do it for me so I need the car to go. It does run and I recently took it to a specialty shop that does restoration to give me a complete run down on what the car needs. The car has been garaged the entire time I’ve owned it.