Letting Agent's fee near Outer London

Letting agents fees in Outer London vary depending on the services and rent. 
The average rent per month in Outer London is £2,320. So a tenant finders fee for 60% of rent is £1,392. 
In Outer London a full managment fee for a property is between 10% and 20% of the monthly rental value, averaging between £139 and £278.
Renewal fees in Outer London are charged for renewing a tenancy agreement between the landlord and the tenant, ranging between £70 to £209.