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

https://www.third-bookmarks.win/bridging-loans-in-the-uk-usually-cost-between-7-and-15-overall-with-monthly-1

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