Home DIY

Now the weather is improving and the snagging list is low I need to turn my attention to renovating these 1930s(?) pine internal doors we picked up.

Need to add/remove these amounts

from these

)

Questions

1. Is there anything that'll catch me out?
   
2. Can I just use any old softwood from wickes for where I need to add >1cm, and does the grain need to match? I know it won't be as solid as the old pine, but for a couple of ~1cm strips stuck on the top and bottom I would have thought it would be OK.
   
3. Anything I should buy to make fitting the doors easier?
   
4. I'm assuming that using the hinges on my current door is the way to go to reduce effort.l (hinges pictured in attachments)
   
5. Any door handle recos? I have absolutely no idea what type I'd like.