Letting Agent's fee near DE13

Letting agents fees in DE13 vary depending on the services and rent. 
The average rent per month in DE13 is £1,208. So a tenant finders fee for 60% of rent is £725. 
In DE13 a full managment fee for a property is between 10% and 20% of the monthly rental value, averaging between £73 and £145.
Renewal fees in DE13 are charged for renewing a tenancy agreement between the landlord and the tenant, ranging between £36 to £109.