What laptop do you recommend for £400 or under? I'll only be using it for general stuff like the internet and office.
Ideapad 300
Xiaomi Notebook 12"
Chromebook (C720 is a popular choice) + GalliumOS (or use the Gallium roms to remove chrome crap, then install preferred distro). It works well if you're technical enough to remove the read/write screw and follow instructions. You end up with a cheap, capable, linux rig.
Otherwise, browse local sales.
Thinkpad T440s
My T430 was 200 on amazon and I've seen them for a lot less on eBay. If you're using some GNU/Linux distro it'll run like a dreaaaam