Letting Agent's fee near CM18

Letting agents fees in CM18 vary depending on the services and rent. 
The average rent per month in CM18 is £1,557. So a tenant finders fee for 60% of rent is £934. 
In CM18 a full managment fee for a property is between 10% and 20% of the monthly rental value, averaging between £93 and £187.
Renewal fees in CM18 are charged for renewing a tenancy agreement between the landlord and the tenant, ranging between £47 to £140.