Letting Agent's fee near Westminster

Letting agents fees in Westminster vary depending on the services and rent. 
The average rent per month in Westminster is £2,499. So a tenant finders fee for 60% of rent is £1,499. 
In Westminster a full managment fee for a property is between 10% and 20% of the monthly rental value, averaging between £150 and £300.
Renewal fees in Westminster are charged for renewing a tenancy agreement between the landlord and the tenant, ranging between £75 to £225.