An offer escalation clause in NYC automatically increases a buyer's offer when a competing bid is received, up to a maximum amount. An escalation clause is a rider written into a purchase offer to assist an individual in beating out competing offers in real estate.You agree to have your purchase price increased if seller receives an equal or higher offer from another buyer. An escalation clause is an addendum to your offer that you will increase your offer if necessary. Learn how an escalation clause works and if you need one. Before you include one in your offer on a home, know what an escalation clause is, how it works and when it's best to leave out of a real estate contract. Are you considering using an escalation clause when writing an offer on a home? An escalation clause, or escalator, is a section in a real estate contract that states that a prospective buyer is willing to raise their offer on a home. Are you in the process of buying a house and want to make your offer stand out amongst the competition in this housing market?