Bridging loan costs in the UK usually add up to around 7% to 15% in total,...

https://yenkee-wiki.win/index.php/When_Does_a_Bridging_Loan_End_Up_Closer_to_15%25_Cost%3F

Bridging loan costs in the UK usually add up to around 7% to 15% in total, depending on how long you borrow for. Monthly interest rates often sit between 0.55% and 1.25%