Letting Agent's fee near SY14

Letting agents fees in SY14 vary depending on the services and rent. 
The average rent per month in SY14 is £1,270. So a tenant finders fee for 60% of rent is £762. 
In SY14 a full managment fee for a property is between 10% and 20% of the monthly rental value, averaging between £76 and £152.
Renewal fees in SY14 are charged for renewing a tenancy agreement between the landlord and the tenant, ranging between £38 to £114.