James Derrick
Hi,
Here's so much more info in those useful images you linked to, I've updated the map - ta!
https://www.openstreetmap.org/changeset/106247349#map=15/55.7769/-2.3385&layers=N

For future reference: https://wiki.openstreetmap.org/wiki/Tag:building%3Droof

https://www.aitken-walkercars.co.uk/about-us/

Happy Mapping, 
James