Letting Agent's fee near Great Britain

Letting agents fees in Great Britain vary depending on the services and rent. 
The average rent per month in Great Britain is £1,372. So a tenant finders fee for 60% of rent is £823. 
In Great Britain a full managment fee for a property is between 10% and 20% of the monthly rental value, averaging between £82 and £165.
Renewal fees in Great Britain are charged for renewing a tenancy agreement between the landlord and the tenant, ranging between £41 to £123.