Where someone coming back to the UK from abroad has to pay for Covid quarantine in a hotel, there is no help available from welfare benefits, but the government have a hardship loan available for those who would face significant financial hardship if thy had to pay it in a lump sum.
This is from House of Commons BRIEFING PAPER Number CBP 9203, 25 May 2021 Coronavirus: International Travel FAQ
14.5 Financial hardship
If you are concerned about your personal financial matters, or your ability to pay for your stay you can seek advice from:
- DWP Income Support: 0800 328 5644
- Citizens Advice Bureau: 0800 144 8848
- Money Advice Service: 0800 138 7777
If you are concerned about your ability to pay for your stay here, we may be able to offer you a deferred payment plan. Please call the CTM helpline on +44 (0)20 7429 9983.
If someone is stuck abroad they could contact their travel insurer and/or the British Embassy or Consulate in the country they are stuck in for advice