Also searched as: broker fee
Commission is earned at transfer, not at offer. On off-plan, because the developer pays, a buyer gets representation free; the thing to check is whether the broker is recommending the project that suits you or the one paying the highest fee that month. Ask them to show you the data.
This explains the general case. If Agency commission has come up in a live deal of yours, talk to the team: specific answers, registered numbers, no obligation.