"Bah. All I want is a laptop with a large screen (17" is currently adequate - bloody presbyopia) "
https://www.cnet.com/products/acer-predator-21x/review/
"hey get faster but somehow the lowest spec laptop always costs about £400. "
£133?
"https://www.laptopsdirect.co.uk/acer-aspire-es1-132-intel-celeron-n3350-4gb-32gb-ssd-11.6-inch-windows-10-l-nx.ghlek.001/version.asp"
If you could live with a 15.5"
https://www.laptopsdirect.co.uk/hp-15-ay078na-pentium-n3710-4gb-1tb-15.6-inch-windows-10-laptop-1bw60ea/version.asp