Essential workers are now entitled to have a free test, even if they are not displaying coronavirus symptoms.
Simply visit https://self-referral.test-for-coronavirus.service.gov.uk… and click on the third option (mentions the local council) and continue to arrange a free, local test.
For a link to a comprehensive list of people considered to be essential workers, click on https://www.gov.uk/…/coronavirus-covid-19-getting….
These include NHS and social care staff, including social care support workers, paid carers, unpaid family carers and voluntary carers.