Sep 7, 2026 – 5.42pmTreasury told Jim Chalmers his changes to negative gearing and the 50 per cent capital gains tax discount would put downward pressure on house prices, upward pressure on rents and reduce housing supply, in official advice prepared in the lead up to the budget.Treasury released the heavily redacted, four-page summary of its tax modelling on Monday in response to a freedom of information request, as pressure mounted on the Albanese government for its role in amplifying the national housing downturn that was in its fifth month.Subscribe to gift this articleGift 5 articles to anyone you choose each month when you subscribe.Subscribe nowAlready a subscriber? Fetching latest articles