Letting Agent's fee near Inner London

Letting agents fees in Inner London vary depending on the services and rent. 
The average rent per month in Inner London is £2,898. So a tenant finders fee for 60% of rent is £1,739. 
In Inner London a full managment fee for a property is between 10% and 20% of the monthly rental value, averaging between £174 and £348.
Renewal fees in Inner London are charged for renewing a tenancy agreement between the landlord and the tenant, ranging between £87 to £261.