Malcolm Turnbull has accused Labor of living in a "fantasy world" for believing its proposed negative gearing changes won't have an impact on house prices.

But Newspoll, suggests voters back limiting negative gearing to newly-constructed properties. More voters (47 per cent) than not (31 per cent) gave the policy the thumbs-up. That didn’t top the prime minister having another crack at the idea that he argues will hit house prices. “We know that there would…