Letting Agent's fee near L40

Letting agents fees in L40 vary depending on the services and rent. 
The average rent per month in L40 is £1,091. So a tenant finders fee for 60% of rent is £655. 
In L40 a full managment fee for a property is between 10% and 20% of the monthly rental value, averaging between £66 and £131.
Renewal fees in L40 are charged for renewing a tenancy agreement between the landlord and the tenant, ranging between £33 to £98.