Bridging loans in the UK usually cost between 7% and 15% in total over the loan...

https://felixyxmg408.yousher.com/bridging-loan-costs-on-a-100-000-loan-real-example-and-breakdown

Bridging loans in the UK usually cost between 7% and 15% in total over the loan term. Expect monthly interest rates from about 0.55% up to 1.25%. On top of that, arrangement fees, valuation fees, and legal costs add up quickly