It's not that hard.
you have to remove all the bolt's (4 of them) handle 2, lower door bin 1 & 1 hidden behind tweeter(1 screw & a plastic clip.) 5mm?? allen key to remove bolt's
now the handle, there's a screw behind a little plastic cover behind the handle, you then need to disconnect the bar that goes to the lock.
Now all that is holding teh door card on is about 10 plastic clips these need to be pulled straight out. If you start at the bottom you can pull the card away from the door & see up to find the clips.
when you do the top part remember the electric window switches, push these's out from behind
& disconnect wires.
Refitting is the reverse of removal.
The plactic clips are the tricky bit, be gentle with them, & the door handle is a bit of a pain at times.
2x 145, 4x 75, 4x Sprints,a 156, 146 now a 155