About Commission

10. Does the law say that the amount of commission should be 1% of the purchase price or half of a month’s rental?
11. If I am not satisfied with the service of the estate agent or the estate agent has not provided the services he promised, can I refuse to pay his commission?
12. Earlier I signed an estate agency agreement with Agent A and Agent A introduced a property to me. The property was subsequently bought by my wife/child/parent/sibling through Agent B. Can Agent A demand a payment of commission from me?
13. If I view a property through Estate Agent A and enter into an estate agency agreement with him, but then purchase the property from the landlord direct, do I have to pay commission to the agent?