completion date
noun [ C ]
ukusthe date on which something such as a project will be finished, especially a date promised in a formal agreement:
estimated/projected/scheduled/target completion date He insisted the target completion date of November this year would not be moved to cut costs.
PROPERTY UK ( US closing date)
the date on which the sale of a property is complete and the property belongs to the buyer:
They found a property they liked, made an offer, signed there and then, paid a 5% deposit, and agreed a completion date.