For decades, China’s property sector was defined by spectacular scale: farmland transformed into suburbs, skylines rising across regional hubs and, more recently, the prominent unravelling of heavily indebted developers. Yet beneath those dramatic changes, a far quieter and more consequential transformation is taking shape.

Official figures published by the National Bureau of Statistics in September reveal that secondary market home transactions have surpassed new residential builds in volume. Nationwideed resales reached 549 million square metres, signalling that housing demand in China has not vanished. Rather, it appears to have structurally migrated.

This marks a departure from the previous growth model. For a quarter of a century, following the end of the old welfare housing system in 1998, China’s property market operated on a high-velocity loop: developers acquired municipal land, pre-sold unfinished apartments, collected buyer cash and funnelled those advances into their next projects. That mechanism turned residential construction into the primary economic engine of the country.

That engine is now losing momentum. What is emerging is not merely a smaller version of the old market but a different market altogether. The centre of gravity is shifting – from developers selling a promise of tomorrow to households trading the homes of today.

The shift reflects not only a change in policy but a change in how households think about housing itself. For years, policymakers responded to property downturns with a familiar toolkit: lower down payments, cheaper mortgages and local incentives to clear unsold homes. But those measures are increasingly running up against a more fundamental reality.

The question is no longer simply whether homes can be made cheaper to buy but whether households still have compelling reasons to buy them. China is no longer a country suffering from a simple shortage of housing. Urban living space has risen to 42 square metres per person, while property remains the dominant component of household wealth.

Under those conditions, buying a home is no longer simply a bet on rising prices. For many families, it is also a decision about protecting an asset that already represents a large share of their balance sheet.

The crisis of the presale model has reinforced that caution. After years of stalled projects and developer defaults, buyers have become more sceptical of paying for homes that exist mainly on paper. Existing properties offer something increasingly valuable: certainty. They can be inspected, occupied and transferred immediately.

The second-hand market also performs another function that the new-home market has struggled to provide: price discovery. The secondary market has increasingly become where the real value of housing is negotiated.

This creates an awkward policy problem. Measures designed to make new homes more attractive can unintentionally put pressure on old ones. New projects have increasingly offered larger usable spaces, better layouts and other features that make existing apartments look less competitive. What helps one segment of the market can therefore weaken the perceived value of another.

That matters because housing is not merely a consumption good in China. It is also the largest store of wealth for many households. When the value of existing homes falls sharply, families feel poorer, become more cautious and may postpone other forms of spending.

Existing properties offer something increasingly valuable: certainty. They can be inspected, occupied and transferred immediately For policymakers, this changes the objective. Supporting new construction may boost activity in the short term. But preserving confidence in the enormous stock of homes already owned by households has become a separate economic priority.

There is, however, a difficult trade-off. A healthy market for existing homes can help stabilise household wealth but it does little to revive the fiscal and financial machinery built around new construction. Resales generate neither the land transfer revenue on which local governments once relied nor the presale cash flow that enabled developers to finance their next projects.

Collapsing land sales leave local treasuries with a severe fiscal deficit. Adapting to this shift, state-backed champions like China Resources Land and China Overseas Land and Investment are abandoning volume expansion for asset management and urban renewal, pivoting from converting land into new flats to extracting long-term value from existing urban stock.

Recent policy changes point in the same direction. Greater emphasis on completed home sales and tighter requirements around presales raise the standards for new development and may reduce the supply of future projects.

The shift offers no easy substitute for the old growth model. China cannot simply replace millions of newly built flats with an equivalent volume of second-hand transactions and expect the same economic effects. Existing home sales can redistribute wealth and establish market prices, but they do not generate the same demand for land, construction, materials, credit and local infrastructure.

China’s housing market is therefore entering a period in which protecting wealth may matter more than expanding scale.

The country is unlikely to return to an era when residential construction could serve as a near-limitless engine of economic growth. For much of the past generation, progress was visible in the changing skyline. In the years ahead, it may be measured less by how many towers are added than by whether the homes already standing can preserve enough value and liquidity to give the families who own them a sense of security.

After decades of building at extraordinary speed, China’s housing market is entering a different era, one in which progress can no longer be measured by how many homes are added, but by how much value the existing housing stock can retain.