Letting Agent's fee near IP21

Letting agents fees in IP21 vary depending on the services and rent. 
The average rent per month in IP21 is £1,456. So a tenant finders fee for 60% of rent is £873. 
In IP21 a full managment fee for a property is between 10% and 20% of the monthly rental value, averaging between £87 and £175.
Renewal fees in IP21 are charged for renewing a tenancy agreement between the landlord and the tenant, ranging between £44 to £131.