St Modwen will refocus on housebuilding, logistics hubs and warehouses following a strategic review of its operations.
As a result, it plans to sell £100m of assets.
The company sold 230 homes in the first half of the year, but is targeting 700 for the full year. If the market remains supportive, there is no reason it cannot increase that to 1,500 a year by 2021, chief executive Mark Allan said.