The concept of an ID card is fundamentally un-British and anti-libertarian.
https://en.wikipedia.org/wiki/Identity_Cards_Act_2006
"The World War I identity card scheme was highly unpopular, though accepted in the light of the prevailing national emergency. It is possible to take a small...
They aren't particularly cheap either.
A standard adult first passport or renewal costs £72.50, or £82.25 if you use the Post Office’s Passport Check and Send service. Child passports cost £46, or £55.75 using Check and Send.
https://www.gov.uk/passport-fees
Another move to bring in ID cards...