Cheers Dave - I'm trying to look beyond Sheffield/Derbyshire if possible, though I have quite a lot I can raid there if needed.

Apart from anything else, this is a Christmas staple in our house:
https://folkways.si.edu/english-village-carols-traditional-christmas-carolling-from-the-southern-pennines/celtic-holiday-world/music/album/smithsonian

And this is a great resource:
http://www.villagecarols.org.uk