Question: what credit score is ok?
Answer: A credit score of 721-880 is considered fair. A score of 881-960 is considered good. A score of 961-999 is considered excellent (reference: https://www.experian.co.uk/consumer/guides/good-credit-score.html). TransUnion (formerly known as Callcredit) is the UK's second largest CRA, and has scores ranging from 0-710.