The August Statement on Monetary Policy carries a residential construction forecast that went almost entirely unreported. The number matters less than the mechanism the Reserve Bank describes underneath it.

The Reserve Bank’s central forecast has dwelling investment growth slowing every six months from here, turning negative in the second half of 2027, and staying negative through the first half of 2028. Those figures were published on 11 August, alongside the decision to hold the cash rate at 4.35 per cent. Almost all of the coverage went to the rate decision.

The forecast sits in Table 3.1 of the Statement on Monetary Policy, in a row most people scroll past.

What the forecast table actually says

Dwelling investment is forecast to grow 3.6 per cent in the year to June 2026. Then 2.1 per cent in the year to December 2026. Then 0.9 per cent in the year to June 2027.

Then it turns. A fall of 0.7 per cent in the year to December 2027. A fall of 0.8 per cent in the year to June 2028. Flat at zero by December 2028.

Dwelling investment is a national accounts measure of residential building work actually done. It is not approvals, and it is not commencements. It is the work, and the money that pays for it.

Read as a shape rather than a set of numbers, that is a pipeline running down.

This is not a new forecast, and that is the point

Worth being precise here, because the honest version is less dramatic than the numbers first suggest.

The Reserve Bank was already forecasting a contraction in May. The May Statement had dwelling investment falling 0.3 per cent in the year to December 2027 and 1.1 per cent in the year to June 2028.

August has revised the December 2027 figure deeper, from a fall of 0.3 per cent to a fall of 0.7 per cent. It has revised the June 2028 figure shallower, from a fall of 1.1 per cent to a fall of 0.8 per cent. The new December 2028 point sits at zero.

So the story is not that the Reserve Bank has suddenly turned pessimistic on residential construction. It is that this forecast has now survived two consecutive rounds without being discussed by the industry it describes.

The approvals data says the opposite, for now

Australia approved 205,249 dwellings in the 2025 to 2026 financial year, the strongest annual result in five years. That is a real number and it has not been revised away.

The two things are not in conflict. Approvals measure permission to build. Dwelling investment measures work done. The first feeds the second with a lag of months to years, which is exactly why a strong approvals year and a forecast contraction two years later can sit side by side without either being wrong.

The approvals granted now become the pipeline. And the pipeline is doing something specific in the Reserve Bank’s model.

The mechanism matters more than the number

Forecasts three years out carry wide error bands, and the Reserve Bank publishes them alongside the numbers. The useful part of this Statement is not the figure. It is the reason given for it.

In the outlook chapter, the Bank sets out its assumption plainly. Housing prices are assumed to keep declining gradually for a period. It attributes that to the tightening in monetary policy earlier this year, to tax policy changes, and to the general economic environment.

Then comes the line that should hold a builder’s attention.

Weaker housing prices reduce the incentive to build new homes. But the Reserve Bank judges that this channel will be smaller than it has been historically, because of the large pipeline of work yet to be done.

The existing pipeline is currently masking the effect of falling prices on new building activity. Not removing it. Masking it.

What builders told the Reserve Bank

The Statement includes a summary of the Bank’s liaison program, drawn from discussions with around 240 businesses, industry bodies, government agencies and community organisations between early May and early August 2026.

The construction findings are specific.

Many housing builders are continuing to work through existing pipelines. But construction activity is expected to slow over the year ahead, because sales volumes have been lower in recent months. Developers report that sales momentum is softening, though demand for greenfield land still exceeds supply in some regions.

The drivers contacts named were higher interest rates and borrowing costs, elevated construction costs, and an uncertain outlook for housing prices, partly because of tax and other policy changes.

That is the forecast table translated into the words of the people running the businesses. Current workload is not evidence of future demand. It is evidence of past sales.

The cost side has not eased to match

The liaison notes also deal with costs, and they offer no relief.

Oil derived inputs such as PVC pipes and plastics are not currently flagged as an availability problem, but their cost remains above levels seen before the Middle East conflict. Firms in construction report this is adding to new build costs.

Those costs are being passed on through rise and fall provisions on commercial builds, or into sales prices on home building. With one qualification that lands hard. Less so in markets where demand has been softer.

Trade labour costs have risen as well, particularly where workers are being drawn to stronger interstate markets, or where infrastructure and non residential work is competing for the same people.

Across the wider liaison sample, firms expect prices to grow by less than costs. The Bank records that many contacts reported some modest margin compression.

Higher input costs, less room to pass them on, and a demand line the Bank expects to turn down. That is the squeeze, described by the central bank rather than by the industry.

The state picture is not uniform

Two findings are worth separating out, because a national forecast will flatten both.

Demand conditions for construction and property development remain weaker in Victoria than in other states.

Queensland contacts continue to flag concerns about construction industry capacity, given the size of the planned residential, non residential and infrastructure pipeline in that state.

Those are close to opposite problems. One market is short of work. The other is short of the people to do it.

No relief is priced into the forecasts

The forecasts are conditioned on the market path for the cash rate. That is a technical assumption drawn from financial market pricing, not a forecast or a commitment by the Board.

That path has the cash rate rising by around 10 basis points over 2026, then declining to around 4.4 per cent towards the end of the forecast period. It sits roughly 25 basis points below the path that underpinned the May forecasts.

In the table itself, the cash rate assumption reads 4.4 per cent in December 2026, 4.5 per cent through 2027, and 4.4 per cent through 2028.

Whatever else that describes, it is not a rate cutting cycle.

The Board also left the door open in the other direction, saying it would increase the cash rate further if upside risks materialise. That follows three increases earlier in the year. Underlying inflation is not expected to fall below 3 per cent until after the middle of 2027.

Any business plan built on client borrowing capacity recovering through 2027 is being built against an assumption the Reserve Bank is not currently making.

What to actually do with this

None of this is a reason to panic. The error bands on a forecast three years out are wide enough to drive a truck through, and the Bank says so itself.

But there is a difference between a warning and a forecast, and this is the latter. It describes a direction, not a date.

The practical response is narrow. If the existing pipeline is what is holding activity up, then the number that matters inside a building business is not the site count. It is the rate at which new work is being signed to replace what is being completed.

That is measurable. Enquiries received. Quotes issued. Conversion rate. Contracts signed. And the gap in weeks between one job finishing and the next one starting.

That last gap is a cash flow problem before it is a workload problem, which is why it tends to be noticed late. A business with twelve months of work in front of it and a falling signing rate looks healthy right up until it does not.

The builders who came through the last cycle intact were generally the ones watching the front of the funnel while the back of it was still full. That habit is worth more than any forecast, because it works regardless of the conditions the industry is actually operating in.

THE GOOD BUILDER TAKE

The Reserve Bank is not forecasting a collapse. It is forecasting a pipeline running down without enough new work signed behind it. Those are different problems, and only one of them sits inside your control.

Track your signing rate monthly. Not your site count. It is the earliest honest signal you will get, and it arrives long before the national data does.

Frequently asked questions

Sources: Reserve Bank of Australia, Statement by the Monetary Policy Board, 11 August 2026. Reserve Bank of Australia, Statement on Monetary Policy, August 2026, Chapter 3 Outlook and Box A Insights From Liaison, forecasts finalised 5 August 2026. Reserve Bank of Australia, Statement on Monetary Policy, May 2026, Chapter 3 Outlook. Australian Bureau of Statistics, Building Approvals, Australia, June 2026.

Last updated: 21 August 2026.

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The information in this article is general in nature and does not constitute financial, legal or professional guidance. Economic forecasts are subject to significant uncertainty and revision. Readers should seek independent advice before making decisions based on this content. The Good Builder does not accept liability for any loss arising from reliance on information published here.

Author: TGB Editorial