This is from the reservation confirmation i received..and my invoice value is 554 GBP,and i was charged 90 pounds..
"SPECIAL CANCELLATION POLICY
The hotel requires a deposit in order to guarantee the reservation:
For stays from 1 - 3 days, deposit is £45.00.
For invoice values over £300.00, the deposit is £90.00.
For invoice values over £700.00, the deposit is £200.00.
The deposit is non-refundable. The hotel will contact the guest with regards to the bank details. Clients are kindly asked to mention their phone number and email. Clients must also specify their arrival time."