The Internet Archive discovers and captures web pages through many different web crawls. At any given time several distinct crawls are running, some for months, and some every day or longer. View the web archive through the Wayback Machine.

Collection: UK Government Site Crawl

Collaborative closure crawl of British government sites performed by Internet Archive. This data is currently not publicly accessible.

from Wikipedia:
GOV.UK is a United Kingdom public sector information website, created by the Government Digital Service to provide a single point of access to HM Government services.