Letting Agent's fee near BS14

Letting agents fees in BS14 vary depending on the services and rent. 
The average rent per month in BS14 is £1,685. So a tenant finders fee for 60% of rent is £1,011. 
In BS14 a full managment fee for a property is between 10% and 20% of the monthly rental value, averaging between £101 and £202.
Renewal fees in BS14 are charged for renewing a tenancy agreement between the landlord and the tenant, ranging between £51 to £152.