Bridging loans in the UK typically cost between 7% and 15% overall, depending...

https://record-wiki.win/index.php/Retained_Interest_Bridging_Loan_Explained_with_an_Example

Bridging loans in the UK typically cost between 7% and 15% overall, depending on the lender and deal. Monthly interest rates usually range from 0.55% to 1.25%