Bridging loans in the UK usually add up to a total cost of about 7% to 15%....

https://harpersnewinsight.brightsora.com/posts/bridging-loan-valuation-fee-for-a-ps500-000-property-what-should-i-expect

Bridging loans in the UK usually add up to a total cost of about 7% to 15%. Monthly rates tend to sit between 0.55% and 1.25%