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Sydney Housing Slump Hits State Tax Revenue

By Markets Desk · 2026-09-16 · 2 min read
A row of suburban houses with pitched roofs and front yards under a clear sky
Illustration: Tradingbird

New South Wales stamp duty income fell 24% in August, marking the steepest monthly drop since the pandemic.

New South Wales collected A$631.1 million from residential property transactions in August. This figure represents a 24% decline compared to the same month last year. The drop marks the third consecutive month of falling revenue. This is the lowest monthly intake recorded since the start of the pandemic.

Home sale volumes tumbled 18% year-on-year. The state is bracing for a A$5.3 billion hit to stamp duty receipts over the next four years. Higher borrowing costs and federal tax changes have chilled buyer demand. These factors are curbing property transactions and straining state government budgets.

Rising rates drive demand down

The Reserve Bank of Australia has raised interest rates three times this year. The cash rate now stands at 4.35%, a post-pandemic high. Proposed federal tax changes in May froze demand for new property investors. These policies ended generous discounts for buyers entering the market.

National house prices have fallen nearly 4% from their peak. Sydney and Melbourne lead the decline with values down over 7%. Data from Cotality shows property sales are down 15% from a year ago. Economists predict a peak-to-trough fall of 10% nationwide. HSBC forecasts a 13% drop if rates rise two more times.

Commercial sector offsets residential loss

Overall August revenue was salvaged by a surge in the non-residential sector. This sector saw an unexpected 135% increase. Growth was driven by data centers and renewable energy projects. This commercial strength provided a buffer against the residential slump.

Markets imply an 84% probability of a fourth rate hike on September 28. Rates are expected to peak at 4.85% or 5.1%. Andrew Lilley of Barrenjoey expects a 28% fall in stamp duty receipts this year. This equates to a roughly A$2 billion hit to state coffers. The erosion of fiscal capacity limits options for tax cuts or capital expenditure.

Political pressure mounts on government

Housing is a highly charged political topic in Australia. Home ownership is considered a way of life for many citizens. Prime Minister Anthony Albanese’s popularity has been sliding in opinion polls. Opposition parties and homeowners blame government policies for the price decline. The government faces growing scrutiny over its economic management.

The slump is part of a broader downturn in the housing market. Surging global bond yields are compounding the strain. These yields push up debt-servicing costs for state governments. The combination of falling revenues and rising costs creates a significant fiscal challenge. The state must navigate this period of reduced income carefully.

Based on reporting by The Business Times, compiled by the Tradingbird desk.

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