Letting Agent's fee near City Of London

Letting agents fees in City Of London vary depending on the services and rent. 
The average rent per month in City Of London is £4,144. So a tenant finders fee for 60% of rent is £2,486. 
In City Of London a full managment fee for a property is between 10% and 20% of the monthly rental value, averaging between £249 and £497.
Renewal fees in City Of London are charged for renewing a tenancy agreement between the landlord and the tenant, ranging between £124 to £373.