The lender is also providing £250 cashback for remortgage customers.
The cashback offers are available between 10 September and 4 November 2018.
Head of Halifax Intermediaries Ian Wilson (pictured) said that the cashback offers are part of its ongoing commitment to the intermediary market.
He added: “Being there for our customers when they need us most and making it as easy as possible for brokers to do business with us.
“We have brought back the £1,000 cashback to help first-time buyers and home movers with the costs of buying and moving into a new home, while those switching their mortgage to us can also take advantage of the £250 cashback.”