Steel Frames
Australia’s construction labour shortage is not a cyclical bump. It is a structural gap that is widening even as apprenticeship intakes rise, migration pathways open and the sector hits record employment. Builders can see it in the daily rate for a carpenter, the lead time for a bricklayer, and the number of homes sitting half built with no one to finish them.
The hard numbers tell the same story. The construction industry employed a record 1.37 million workers in February 2026 and still could not fill 21,600 vacancies (ABS Labour Force, via MPA). Jobs and Skills Australia lists 13 of 15 core residential construction trades as being in national shortage (Jobs and Skills Australia Occupation Shortage List). Infrastructure Australia projects the construction workforce shortfall will reach 300,000 workers by 2027, including a 126,000 gap in trades and labourers alone.
At the same time, Australia’s prefabrication share sits at less than 5% of total construction output, against more than 80% in Sweden. The question this blog takes on is simple: can prefabricated construction systems, and in particular prefabricated light gauge steel framing (LGS), take enough work off site and out of the trade dependent critical path to make a measurable dent in the problem? The research says yes, and this blog sets out how, where and by how much.
The gap between what the industry employs and what it needs is now at a scale no apprenticeship intake can realistically close by itself. The key reference points:
That last point is the most telling. A slightly cooler housing market in 2026 has not translated into any meaningful improvement in trade availability. HIA Chief Economist Tim Reardon has said that any easing in demand for trades is likely to be temporary, while the structural shortage of skilled workers will remain.
The HIA’s Trades Report ranks shortages trade by trade, and the pattern matters because the worst affected trades are also the ones that gate the critical path on most residential and commercial builds.
The most severe shortages in the June quarter 2026 were:
Electrical and site preparation trades experienced the least severe shortages, although both remained in deficit (HIA Trades Report, June quarter 2026).
Carpentry is the one that most directly affects framing. On a traditional stick framed home, carpenters measure, cut and fix every stud, plate, lintel and noggin on site. On a townhouse row or multi unit project, that is weeks of carpentry labour on the critical path. When the carpenter cannot start, the frame cannot start, and nothing downstream (cladding, roofing, services rough in) can begin either.
The HIA has also noted that bricklaying and roofing shortages are driving project delays in Sydney and Melbourne specifically, with knock on effects for how quickly a home can be weathertight and ready for internal trades. Trade prices rose 5.1% in the first half of 2026, the fastest half year rise since the 2022 post pandemic skills peak, which is a direct reflection of these shortages at work.
It is tempting to treat the current labour squeeze as a post pandemic hangover that will ease once the pipeline normalises. The data does not support that view. The shortage has several structural drivers that are all pulling in the same direction.
Ageing workforce and rising exits. More than 27,000 tradespeople exited the Australian construction industry in the last year, according to Wood Central’s 2026 analysis. Many are retiring, some are moving into less physically demanding roles, and a smaller share are leaving the sector altogether.
Apprenticeship completion rates remain under pressure. The HIA has noted that the long term solution lies in supporting more apprentices to complete their training, not just signing more up, and that fast tracking skilled construction visas is only a bridging measure (HIA, via Building Connection). Apprenticeship intakes have risen, but non completion remains a significant drag.
Competing demand from infrastructure, data centres and major events. Residential construction is not the only sector drawing from the trade pool. The HIA reports that demand for skilled workers is being driven in parallel by renovations, transport infrastructure, energy projects, data centres and preparations for the Brisbane Olympic Games. Every one of those projects pulls carpenters, electricians, concreters and roofers off the housing pipeline.
Housing targets are escalating, not easing. The National Housing Accord commits to 1.2 million homes between July 2024 and June 2029, requiring roughly 240,000 homes a year. By mid 2026 Australia was already more than 112,000 homes behind the required run rate (ABS Building Activity, July 2026). Catching up now requires more than 274,000 homes a year, which demands more labour the sector does not currently have. Our deeper look at the Housing Accord sits in our blog on Australia’s housing shortage.
Together these drivers mean the shortage is not going to resolve itself through a cooler market, a bigger apprenticeship intake alone, or more visas. The structural answer has to include changing how much labour each home actually requires, and that is where prefabrication enters the conversation.
A labour shortage does not just show up as a problem finding a bricklayer. It shows up on the P&L in three ways: build times blow out, trade prices rise, and the risk of insolvency climbs when fixed price contracts cannot absorb either.
Trade prices are now the leading driver of cost escalation. HIA data shows trade prices rose 5.1% in the first half of 2026, the fastest half year rise since the 2022 skills crisis peak (HIA, via Building Connection). Master Builders Australia’s chief economist Shane Garrett has flagged that continued labour shortages are now magnifying the damage from building material cost rises (MBA, January 2026). This is why total construction costs have continued to climb even as some material prices stabilise.
Build times are stretching. Australian homes are taking longer to build and becoming more expensive to finish, which builders and analysts say directly undermines the 2029 housing target (Reuters, August 2026). Longer build times mean more labour hours per home, which further strains the already thin trade pool.
Insolvencies are now the sharpest expression of the pressure. Australia recorded 3,472 construction company insolvencies in the year to 30 June 2026, representing 24.5% of all company insolvencies in the country (ASIC data, via QUT analysis). Fixed price contracts signed pre or during COVID, locked against rising input and labour costs, have been the primary driver of builder collapse through 2025 and 2026.
The through line is that labour shortages do not stay neatly contained in the labour line of a project budget. They flow through to trade prices, build duration, variations, insurance, and ultimately the viability of the builder itself.
Skilled migration and apprenticeship intake are the two most frequently cited answers to the trade shortage. Both are necessary, and both have hard limits that keep them from solving the problem by 2029 on their own.
Skilled migration is a bridge, not a solution. Master Builders Australia has called for construction trades to be included in the priority 1 skilled migration visa stream, an expansion of the Pacific Australia Labour Mobility (PALM) program to cover non licensed construction jobs, and a dedicated Construction Skills Pathway visa (Master Builders Australia submission, via MPA). Even if all of these were adopted, the realistic throughput of skilled migration pathways is nowhere near 300,000 additional workers by 2027.
Apprenticeships take time, and completion rates matter. HIA data confirms apprenticeship numbers have risen, but the sector’s long term shortage requires more apprentices to complete their training rather than just start it. A full carpentry apprenticeship takes four years. Even if apprenticeship intake doubled overnight, those apprentices would not be fully qualified before the Housing Accord’s end date.
Record employment has not relieved the gap. This is the point most often missed. Construction employment is at a record 1.37 million workers, and the sector still cannot fill 21,600 vacancies. Adding more workers has not been enough on its own to meet demand, because demand is also climbing from infrastructure, data centres, energy and the Brisbane Olympics pipeline. Every new worker pulled into construction is being absorbed by competing sectors, not surplus to residential needs.
The HIA has been explicit about the maths. HIA Managing Director Jocelyn Martin has said that “Australia cannot build more homes without more skilled tradespeople,” and that if housing targets are to be achieved, the overall skilled workforce needs to grow sustainably, not just be redistributed between sectors (HIA, via MPA).
The arithmetic becomes clearer when you add the two sides. The Accord needs an additional 300,000 workers by 2027 (Infrastructure Australia). Even with every migration lever pulled, that number will not materialise through migration and apprenticeships alone. Something has to change in how much labour each home requires, not just in how many workers are available.
The fundamental shift that prefabrication delivers is not fewer total labour hours per project. It is where those hours happen, how skilled they need to be, and how exposed they are to the site’s constraints.
On a traditional stick framed build, almost every structural task happens on site: measuring, cutting, assembling, lifting, fixing, and squaring up frames in whatever weather the site delivers. A crew needs carpenters, labourers, and often a bricklayer, roofer and plasterer waiting in sequence. Any trade that cannot be found or is delayed stops everything downstream.
On a prefabricated LGS build, the structural components are designed in 3D BIM, cut to CNC tolerances in a factory, and delivered to site numbered, bundled and ready to install. The on site work changes shape. A smaller install crew lifts and fixes components that have already been engineered to connect. The carpentry hours that would have been spent measuring and cutting on site are replaced by factory CNC machine hours and office BIM hours.
The practical implications of that shift are:
The Productivity Commission’s research paper, Housing construction productivity: Can we fix it?, noted that traditional builds can take up to 12 months while prefabricated builds can be completed in around 16 weeks. That build time compression is almost entirely a labour story: fewer trade handovers, fewer weather days lost, fewer rework hours.
Prefabricated LGS is the form of offsite manufacturing that fits most naturally into Australia’s existing construction workflow. It does not need a volumetric facility, oversized transport approvals, or a full modular supply chain. It uses the same slabs, services and trades as a conventional build, with the frame itself shifted off site into a fabrication facility.
The production pipeline runs:
What makes this specifically relevant to the labour shortage is the trades it offsets. A prefab LGS frame reduces or removes on site demand for:
The trades a prefab LGS frame still needs on site are the install crew (typically 2 to 4 people for a residential job, scaling for larger projects), a crane operator for panels, and the usual downstream trades for cladding, services, roofing and finishes. The point is not that labour disappears, it is that the labour demand is reshaped from scarce on site trades into a mix of factory operators, BIM technicians, and a lean install crew.
For a deeper breakdown of how LGS compares to the alternative, our guide to steel stud vs timber stud framing sets out the practical trade offs in Victoria’s climate.
The strongest Australian evidence base for how much labour prefabricated LGS actually saves comes from a UNSW led research team that analysed four common wall systems used in industrial construction: factory made precast concrete, on site tilt up concrete, prefabricated LGS, and traditional on site steel framing.
The central case study was a multi warehouse project in Dapto, NSW, supported by five additional builds across regional and outer metropolitan NSW. The findings on prefabricated LGS vs on site steel framing were striking:
These numbers are from the UNSW research, reported via LSF Association. The study notes that prefab LGS showed consistent advantages for non structural walls, with install time and labour exposure both substantially reduced.
At the broader market level, industry commentary from The Good Builder estimates that prefab methods already help builders deliver homes up to 50% faster than conventional construction. On a residential or multi unit project, that build time saving is almost entirely driven by compressed labour on site: fewer trade handovers, fewer weather days, fewer rework hours.
The other labour hour saving is less visible but just as real. BIM coordination catches clashes in the office rather than on site. Each clash resolved in the model is a rework crew that does not need to be scheduled, a trade handover that does not need to be redone, and a day on the programme that does not slip. On a project where the available trades are the critical constraint, every rework hour avoided is a trade hour returned to actual productive work.
Prefabrication benefits are not evenly spread across every project type. The gains are strongest where there is repetition, where the labour pool is tight, and where build time compression is directly tied to project viability. For Melbourne and wider Victoria, the project types where prefabricated LGS delivers the sharpest labour relief are:
Townhouse and multi unit developments. Repeated bays, consistent floor plates and standardised details are exactly the conditions prefabrication is optimised for. A frame specified once in BIM and fabricated across every unit removes the per unit measurement and cutting labour that stick framing requires. Our guide to steel framing for townhouse and multi unit developments in Melbourne covers the engineering case in more detail.
NDIS specialist disability accommodation. NDIS SDA builds have strict compliance requirements and relatively standardised layouts across categories such as Robust, High Physical Support and Improved Liveability. Prefabrication cuts the trade dependency on these projects, which matters particularly for providers trying to hit funding milestones. Our dedicated blog on NDIS and accessible housing covers the compliance side.
Childcare centre construction. Childcare has its own set of regulatory and safety requirements, and fast delivery is a direct commercial advantage for operators. State and private childcare projects in Victoria have increasingly used prefabricated steel framing to compress construction programmes. Our guide on steel framing for childcare centre construction in Melbourne and Victoria sets out the specifics.
Commercial repeat bay projects. Warehouses, logistics centres, and other commercial projects with repeated bays benefit disproportionately from factory produced frames. Our guide on light gauge steel framing for industrial builds in Melbourne and Victoria and commercial steel framing in Melbourne cover both.
Social and affordable housing programmes. State governments in Victoria, NSW and Queensland are increasingly backing modular and prefab approaches for social housing. Queensland’s QBuild Modern Methods of Construction program is already delivering social and affordable housing at scale using modular techniques, and NSW and Victoria have similar initiatives in motion.
For one off bespoke homes with unusual geometries, the gains from prefab are smaller because the standardisation that prefabrication rewards is weaker. But even on bespoke work, BIM coordination and factory fabrication reduce the carpentry hours required on site, which still relieves pressure on the scarcest trade.
CMC Steel Solutions designs, engineers and manufactures prefabricated light gauge steel frames at an in house facility in Craigieburn, Victoria, delivered to project sites across Melbourne and wider Victoria. The six stage process is designed to shift as much of the structural work off site and off the trade dependent critical path as possible.
Expert quotation. Our estimators produce a detailed, value for money quotation that is inclusive of all construction elements and an estimated lead time, so trade dependent cost assumptions are captured at the outset rather than renegotiated on site.
Tailored design. The frame is designed to suit the project’s actual constraints (site, loading, cladding system, architectural intent), not generalised to a standard template that then needs field adjustment.
3D BIM modelling. The frame is modelled, clash detected against services and cladding, and finalised before fabrication begins. This resolves conflicts in the office and removes rework crews from the on site programme. More on how this works in our guide to how 3D BIM modelling works in steel frame construction and why it matters.
Engineering excellence and certification. The designs are engineered to Australian standards and we provide a reg 126 certificate with a structural frame inspection, which removes an iteration between builder and certifier.
CNC fabrication. The frame is roll formed and cut by CNC machinery at the Craigieburn facility. Weather independent, dimensionally accurate, and ready to install as it leaves the factory floor. The prefab steel frame page sets out the full technical scope.
Hassle free site delivery. Everything is delivered to site at no additional cost, with erection drawings included so install crews have what they need without a round of RFIs.
For a builder running a project in a tight trade market, that pipeline means a smaller install crew replaces a stick framing carpentry team. The carpentry labour you would otherwise be competing for is converted into factory CNC capacity, which is not drawn from the same labour pool. For deeper context on how to specify this, our guide to how contractors and distributors choose a reliable steel stud supplier covers what to look for in a prefabricated LGS supplier.
| Factor | On site stick framing | Prefabricated LGS |
|---|---|---|
| Primary site trade | Framing carpenters (nationally in shortage) | Smaller install crew, lower trade dependency |
| Install time (non load bearing walls, UNSW Dapto study) | 13 working days | 4 working days (69% reduction) |
| Cost (same scope, UNSW) | Baseline | Around 39% lower |
| Weather exposure | Full exposure; wet weather stops work | Fabrication indoors; install compressed |
| Measurement and cutting location | On site, per component | Factory, CNC, pre marked |
| Rework risk | Higher (field variability, late coordination) | Lower (BIM clash detection pre fabrication) |
| Trade handovers on critical path | Multiple (framing to roofing to cladding) | Fewer, more compressed |
| Build time (whole home comparison) | Up to 12 months | Around 16 weeks (Productivity Commission) |
Sources: UNSW research via LSF Association; Productivity Commission 2025; The Good Builder.
13 of 15 core residential construction trades are in national shortage, 21,600 construction vacancies remained unfilled in February 2026 despite record employment of 1.37 million workers, and Infrastructure Australia projects the overall shortfall will reach 300,000 workers by 2027.
The most severe shortages reported by the HIA in the June quarter 2026 were bricklaying, ceramic tiling, roofing, carpentry and concreting. Electrical and site preparation trades had the least severe shortages, but both still sat in deficit.
Yes, and the Australian research supports it. A UNSW study of prefabricated LGS panels for non load bearing walls found install time cut from 13 days to 4 days vs on site steel framing, and around 39% cost savings. The Productivity Commission notes prefabricated homes can be built in around 16 weeks vs up to 12 months for traditional builds.
Not quite. The total labour on a project is lower, but more importantly, the labour that remains is drawn from different pools. Factory CNC operators and BIM technicians are not competing with on site carpenters, bricklayers and roofers for the same scarce talent. Install crews are smaller than full stick framing crews and complete the frame faster.
Both are necessary but neither is sufficient. Apprenticeships take four years to complete, and skilled migration throughput cannot realistically deliver 300,000 additional workers by 2027. The structural fix also requires changing how much labour each home needs, which is where prefabrication plays its role.
CMC Steel Solutions designs, engineers and manufactures LGS frames at its in house facility in Craigieburn, Victoria, delivered to project sites across Melbourne and wider Victoria for residential, commercial, industrial, NDIS and childcare projects.
It can be, though the productivity gains are strongest on projects with repetition (multi unit, townhouses, repeat bay commercial). Even on bespoke homes, BIM coordination and factory fabrication reduce the carpentry hours required on site, which still relieves pressure on the scarcest trade.
If you are planning a residential, commercial, industrial, NDIS or childcare project in Melbourne or wider Victoria and want to reduce how exposed your programme is to on site trade availability, call CMC Steel Solutions on 1300 285 566, email info@cmcsteelsolutions.com.au, or contact us online to walk through how a prefabricated LGS frame fits your project.