Letting Agent's fee near DE74

Letting agents fees in DE74 vary depending on the services and rent. 
The average rent per month in DE74 is £1,331. So a tenant finders fee for 60% of rent is £799. 
In DE74 a full managment fee for a property is between 10% and 20% of the monthly rental value, averaging between £80 and £160.
Renewal fees in DE74 are charged for renewing a tenancy agreement between the landlord and the tenant, ranging between £40 to £120.