SMSF property investors have been left scrambling after the last minute-borrowing ban, which some say will unfairly impact everyday Australians trying to get ahead.

Investment from self-managed super funds plays a crucial role in making projects viable, developers say. Without that investment many projects may not go ahead.

This ill-considered ban works against efforts to increase housing supply and affordability, and it has created uncertainty for those planning for retirement.

The legislation targeting residential property has inadvertently trapped mixed-use assets and vacant commercial land.

SMSF property investors have been left scrambling after the last minute-borrowing ban, which some say will unfairly impact everyday Australians trying to get ahead.

Budget deal with Greens is the latest stoush over reforms Labor says will make housing more affordable but which critics say will cut funding for new builds.