Good afternoon , bought a bargain 2005 Flying Spur . Slowly fixing all the faults here are some still remaining

All indicators work perfectly but make no noise whatsoever
Hazard light switch does nothing
Rear passenger window opens 5mm and stops . Closes back to top
Rear window blind perminentley up , switch does nothing
Sunroof does nothing
Drivers side rear soft close doesn't work and interior door handle does nothing
Car has no heating , just cold air from all vents . Fault codes 01274 - back pressure door motor mechanical malfunction
00056 - blower motor for interior temp. sensor mechanical malfunction

Any information to help solve any would be marvellous . thanks , Digs . ( Digby Lund )