Across the whole programme, 20 per cent must be affordable housing and 20 percent social housing.
Under the government's settlement with Ngā Mana Whenua o Tāmaki Makaurau, the iwi must be offered first right of refusal on development of Crown land through its limited partnership.
The Iwi partnership declined the offer and it was subsequently offered to Fletcher Residential, which was the top-ranked low-density developer from the Ministry of Business, Innovation and Employment's (MBIE) open competitive process carried out in 2015, the statement said.
MBIE has three panels for housing development, specialising in low-, medium-, and high-density development, each comprising three ranked developers. After the Iwi partnership, the top-ranked developer has the next opportunity to develop a site made available under the Crown land programme.
On Wednesday, it was reported that New Zealand's median house price had topped $500,000 for the first time, and had reached $805,000 in Auckland.
New Zealand's housing market is on a tear, driven by record migration and low interest rates, particularly in Auckland where the government and Reserve Bank have introduced measures to try to slow house price growth.