Letting Agent's fee near TN40

Letting agents fees in TN40 vary depending on the services and rent. 
The average rent per month in TN40 is £1,401. So a tenant finders fee for 60% of rent is £840. 
In TN40 a full managment fee for a property is between 10% and 20% of the monthly rental value, averaging between £84 and £168.
Renewal fees in TN40 are charged for renewing a tenancy agreement between the landlord and the tenant, ranging between £42 to £126.