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How Much Does a House Cost to Build in Australia? 2024 Guide

What does it cost to build a house in Australia? Discover average construction costs per m², regional price variations, and how EstiFlow helps builders estimate accurately.

# How Much Does a House Cost to Build in Australia? 2024 Guide

Australian residential construction costs have surged 28% over the past three years, with average build rates now ranging from $3,200 to $5,500 per square metre depending on location, specification, and project complexity.[1] For a typical 250-square-metre family home, builders should budget between $800,000 and $1.4 million—a figure that varies dramatically across states and even postcodes. Yet most builders still rely on outdated cost guides or rough allowances rather than detailed, measured estimates. Understanding the true cost to build a house in Australia requires more than generic figures; it demands precise calculation based on actual plans and current market rates.

EstiFlow delivers exactly that level of accuracy at the critical DA (Development Application) stage, before tender and construction begin. Rather than guessing, builders upload architectural plans and receive a detailed, measured cost estimate report within hours—complete with an editable Bill of Quantities, subcontractor pricing packs, and a construction programme.

> TL;DR: Australian house build costs range from $3,200 to $5,500 per square metre in 2024, with total project costs heavily influenced by location, site conditions, finishes, and builder experience. Accurate estimates require measured analysis of actual plans rather than generic templates. EstiFlow automates this process, delivering builder-ready cost estimates, editable BOQs, and subcontractor pricing packs from DA-stage documentation in under three hours.

Table of Contents

  • [What Determines House Build Costs in Australia](#what-determines-house-build-costs-in-australia)
  • [Average Construction Costs by Region](#average-construction-costs-by-region)
  • [Breaking Down Your Build Budget](#breaking-down-your-build-budget)
  • [Cost Factors Beyond Materials and Labour](#cost-factors-beyond-materials-and-labour)
  • [How EstiFlow Helps With Accurate Build Cost Estimation](#how-estiflow-helps-with-accurate-build-cost-estimation)
  • [Managing Cost Overruns: Common Pitfalls](#managing-cost-overruns-common-pitfalls)
  • [Comparing Different Estimation Approaches](#comparing-different-estimation-approaches)
  • [Building in Regional vs Metro Australia](#building-in-regional-vs-metro-australia)
  • [Pro Tips for Cost Control](#pro-tips-for-cost-control)
  • [Frequently Asked Questions](#frequently-asked-questions)
  • [Key Takeaways](#key-takeaways)
  • [Sources](#sources)

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What Determines House Build Costs in Australia

House build costs in Australia are determined by a combination of material costs, labour rates, location, site conditions, design complexity, and regulatory compliance requirements. The largest cost drivers are structural materials (concrete, brick, steel), labour, and site services. However, the specific construction rates your builder applies depend on their market position, subcontractor relationships, overhead structure, and profit margin expectations.

The Australian residential construction market is heavily influenced by supply chain pressures. In 2024, timber pricing remains elevated compared to pre-pandemic levels, concrete and steel pricing fluctuates with commodity markets, and skilled labour availability varies significantly by region.[2] A builder in metropolitan Sydney faces different material costs and labour rates than a builder working 200 kilometres west. These regional variations mean a one-size-fits-all cost guide is fundamentally inaccurate for any specific project.

Site conditions add another critical layer. A flat, connected urban infill site costs less to build on than a rural property requiring new driveway access, utility connections, or remedial earthworks. Heritage overlays, flood-prone areas, bushfire-prone zones, and contaminated land all add cost premiums—sometimes thousands of dollars per square metre. These site-specific factors cannot be calculated from a generic template; they require analysis of the actual plan, site survey, and local conditions.

Average Construction Costs by Region

Average residential construction costs vary substantially across Australian states and territories. In 2024, metropolitan areas command premium rates due to higher labour costs, tighter land availability, and stricter compliance pathways. Regional areas typically offer lower per-square-metre rates but may face supply chain delays and higher specialist labour costs.

New South Wales (Sydney metro and surrounds): $4,200–$5,500 per square metre for quality residential construction. Inner-city infill and complex urban sites trend toward the upper range. Regional NSW (Newcastle, Wollongong, inland centres) typically $3,400–$4,200 per square metre.[1]

Victoria (Melbourne metro and surrounds): $4,000–$5,200 per square metre. Melbourne's competitive builder market and established supply chains support efficient costing. Regional Victoria ranges $3,200–$4,000 per square metre.

Queensland (Brisbane metro and Gold Coast): $3,600–$4,800 per square metre, with Gold Coast premium rates reflecting demand and tourism-driven building. Inland Queensland and Cairns regions $3,000–$3,800 per square metre.

Western Australia (Perth metro): $3,800–$4,800 per square metre. Regional WA and mining-influenced areas may see higher labour costs.

South Australia (Adelaide): $3,200–$4,200 per square metre, among the more affordable metropolitan construction markets.

Tasmania: $3,400–$4,600 per square metre, with supply chain logistics adding cost.

These figures represent typical quality residential construction (mid-spec finishes, standard structural systems). Premium or bespoke designs, or conversely, basic budget construction, will sit outside these ranges.

Breaking Down Your Build Budget

A typical residential build budget breaks down into major cost categories. Understanding this breakdown helps builders identify where cost pressure points exist and where value engineering can be effective without compromising quality or timeline.

Structural Elements (Foundation, Framing, Roof): 25–35% of total build cost. This includes concrete slab or piled foundation, timber or steel framing, roof structure, and external walls. In areas with difficult site conditions (poor soil, slope, flood risk), structural costs can climb to 40%+ of total budget.

External Finishes (Brickwork, Cladding, Windows, External Doors): 15–20% of total budget. This varies dramatically by design. A simple brick veneer costs less than rendered external walls or premium cladding systems. Window and door quality significantly affects this line item.

Internal Finishes (Plasterboard, Flooring, Paint, Fixtures): 20–25% of total budget. Flooring choice (timber, tile, polished concrete) creates substantial cost variation. Kitchen and bathroom specifications heavily influence this category.

Services (Electrical, Plumbing, Mechanical, Gas): 12–18% of total budget. Complex designs with multiple ensuites, multiple kitchens, or smart home systems push this category higher. Compliance upgrades (EV charging infrastructure, solar readiness) add incremental cost.

Labour (General Labour, Site Supervision, Subcontractor Margins): Typically 30–40% of total build cost, depending on builder overhead and project complexity. A builder operating lean may quote 28% labour; a builder with high overheads may require 45%.

Other (Preliminaries, Site Management, Insurance, Contingency): 8–12% of total budget. Site management costs depend on project duration, site conditions, and traffic management requirements. Contingency allowances (typically 3–5% of contract price) cover unforeseen items discovered during construction.

These percentages are guidelines. A luxury specification might allocate 30% to internal finishes and fixtures, while a cost-controlled build might run 18%. The key is ensuring every line item is calculated from actual measurements and current market rates—not guesses.

Cost Factors Beyond Materials and Labour

Many builders forget to budget for soft costs that sit outside traditional "hard construction" costs. These items compound quickly and often surprise clients if not anticipated.

Provisional Sums and Contingency: Provisional sums represent unknown quantities—items the designer has not yet specified, or site conditions not yet confirmed. A contingency allowance (typically 3–5% of contract price) protects against unforeseen items discovered during excavation or construction. Builders who under-provision these items face cost blow-outs; those who over-provision lose competitive advantage.

Compliance and Permits: Building approval costs, planning conditions, specialist reports (arborist, contamination, structural engineer certification), and variations to meet local requirements add 1–3% to project costs. Some local councils are faster than others; faster approval can reduce holding costs and site management expenses.

Site Management and Preliminaries: Temporary fencing, site sheds, welfare facilities, traffic management, council requirements for environmental controls, and site supervision costs vary by location and project complexity. Urban infill sites incur higher site management costs than rural sites.

Utilities Connection: Connecting electricity, water, sewerage, and gas can cost $10,000–$40,000+ depending on site distance from existing infrastructure. Rural properties may require septic systems, rainwater tanks, or off-grid power—substantial additional costs.

Allowances for Specialist Items: Pools, spa, landscaping, driveway paving, smart home integration, and premium finishes often sit outside the core build contract. Builders must clearly separate these from the dwelling cost to avoid scope creep.

Finance Costs and Holding: If construction takes longer than projected, finance costs and holding costs (rates, insurance, maintenance of the site) accumulate. Accurate construction programmes help manage this risk.

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How EstiFlow Helps With Accurate Build Cost Estimation

EstiFlow transforms how Australian builders approach cost estimation for residential projects. Rather than applying generic cost guides or relying on manual measurement of plans, EstiFlow automates the entire process—from plan upload to detailed, builder-ready cost estimate delivery.

!EstiFlow website EstiFlow — EstiFlow is an automated construction cost estimation platform designed for Australian builders and developers

When a builder uploads DA-ready architectural plans to EstiFlow, EstiFlow automatically measures every building element, analyses structural systems, identifies specialist items (pools, lifts, smart home components), and calculates cost estimates based on current market rates specific to the project's location and state. Within hours, the builder receives four deliverables: a structured Cost Estimate Report, an editable Bill of Quantities workbook, subcontractor pricing packs (one per trade), and an indicative construction programme.

The Cost Estimate Report is structured for commercial decision-making. It shows total contract price, cost per square metre, trade-by-trade cost breakdown, measured versus provisional item separation, risk flags, and a Pre-Tender Decision Register mapping every provisional allowance to a specific action and dollar exposure. This is the intelligence builders need to discuss scope with clients, negotiate subcontractor rates, and prepare confident tender submissions—not a generic cost guide.

The editable BOQ workbook lets builders review every line item, adjust rates to match their subcontractor agreements, apply their standard margin and supervision allowances, and save preferred rates to their EstiFlow profile for future projects. This means the first estimate takes hours; subsequent estimates reuse your saved rates and assumptions, cutting turnaround time further.

Subcontractor pricing packs are project-specific documents sent to trade partners. Each trade receives a scope brief and BOQ table for their discipline, enabling competitive quotes without the time-consuming back-and-forth of email clarifications. EstiFlow includes current market-aligned pricing for each trade, so your subcontractor quotes become comparison data rather than starting assumptions.

EstiFlow's pricing is straightforward: single dwellings cost $499 including GST, duplexes $599, triplexes $699, granny flats $299, and townhouse developments range from $899 to $1,599 depending on unit count. Every estimate includes the full suite of deliverables—there are no hidden fees or subscription traps. Builders get transparent fixed pricing before uploading plans, with a current launch offer of 15% off your first paid estimate using code AU15.[3]

EstiFlow covers residential projects Australia-wide—single dwellings, granny flats, duplexes, triplexes, townhouse developments, and secondary dwelling projects. It works with DA-ready documentation including architectural plans, NatHERS assessments, and BASIX certificates. The more complete your documentation, the fewer provisional items appear in the estimate, and the more accurate your final cost.

EstiFlow removes the bottleneck of manual estimation. Builders no longer wait weeks for external estimators or quantity surveyors; they get measured, market-aligned estimates in hours. This speed matters during tender phase when competing builders are also quoting, and at DA stage when developers need budget clarity before committing to a project.

For builders managing multiple projects or wanting to scale their estimation capacity without hiring additional staff, EstiFlow delivers repeatable, accurate costing at a fixed, predictable cost per job. Get an estimate to see how EstiFlow calculates your project's cost.

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Managing Cost Overruns: Common Pitfalls

Cost overruns occur when actual construction costs exceed the budgeted estimate. Most overruns trace back to poor estimation practices, scope creep, or unforeseen site conditions.

Underestimated Labour Costs: Builders who apply generic labour percentages (often 30% of material cost) without accounting for their specific overhead, site conditions, or subcontractor availability frequently underestimate labour. A 2-storey home in an infill location costs more to construct per square metre than a single-storey home due to labour inefficiency at height, safety requirements, and equipment costs.

Provisional Sums Too Low: If a builder allocates a standard $10,000 provisional sum for "unforeseen items" but the site requires unexpected remedial fill, or the design changes reveal additional structural requirements, the project immediately runs over budget. Provisional allowances must reflect realistic site risk and design completion maturity.

Scope Creep During Construction: Clients often request changes once on-site—moving a doorway, upgrading finishes, adding features not in the original plan. Without a clear scope boundary and formal variation process, these accumulate quickly. A clear, measured estimate based on the actual plan helps define scope boundaries upfront.

Site Condition Surprises: Contaminated soil, poor bearing capacity, utility clashes, or archaeological findings discovered during excavation create immediate cost impacts. Preliminary site investigations and detailed geotechnical reports reduce (but cannot eliminate) this risk. A cost estimate built from actual site information beats one built on assumptions.

Subcontractor Pricing Variations: If a builder prices a project based on quoted rates, then later receives a substantially different subcontractor quote during tender phase, the estimate becomes invalid. EstiFlow's subcontractor pricing packs provide a standardised scope document that yields more consistent quotes from competing trades.

Compliance Cost Escalation: Changes to building standards, new local council requirements, or heritage overlays discovered late in the design phase create cost surprises. Early identification of compliance drivers helps build realistic budgets.

Builders who use detailed, measured estimates based on actual plans—rather than generic cost per square metre figures—experience fewer overruns because estimates reflect specific design and site conditions rather than statistical averages.

Comparing Different Estimation Approaches

| Estimation Method | Accuracy | Time Required | Cost | Flexibility | Best For | --- |---|---|---|---|---|---| --- | Generic Cost Per m² | Low (±20%+) | 1–2 hours | Free | Very High | Conceptual budgeting only | --- | Internal Manual Measurement | Medium (±10%) | 40–80 hours | Staff time | Medium | Single project; small builder | --- | External QS/Estimator | High (±5%) | 2–4 weeks | $2,000–$8,000 | Low | Complex/premium projects | --- | Automated Measured Estimate (EstiFlow) | High (±8%) | 2–4 hours | $299–$1,599 | High | All residential projects; fast turnaround | --- | Hybrid (Estimate + Client Refinement) | Very High (±3%) | 1–2 weeks | $1,500–$3,000 | Medium | Tender-stage refinement |

Generic cost guides provide speed but sacrifice accuracy. A builder quoting $2.8 million based on $3,500/m² × 800 m² is likely wrong if the site requires extensive earthworks, the specification includes premium finishes, or labour rates in that region are $4,200/m².

Internal manual measurement is thorough but time-consuming. A builder with strong estimating skills can achieve ±10% accuracy, but this requires 40+ hours per project and ties up senior staff during critical commercial periods.

External Quantity Surveyors deliver high accuracy (±5% on measured items) but introduce 2–4 week delays and cost $2,000–$8,000 per estimate. For builders needing estimates within days—not weeks—this approach is impractical.

Automated measured estimates like EstiFlow split the difference: high accuracy (±8% on measured elements), fast delivery (2–4 hours), and transparent fixed pricing ($299–$1,599 depending on project size). The trade-off is that automation cannot resolve ambiguous design details; provisional items appear in the estimate for items requiring further design or client decision.

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Building in Regional vs Metro Australia

Regional and metropolitan build costs differ in ways beyond simple per-square-metre rates.

Metropolitan Advantages: Higher competition among builders creates pricing pressure (good for clients). Supply chains are shorter—materials are readily available without freight delays. Subcontractor density is high, so quotes are faster and more competitive. Compliance pathways are standardised; councils process applications efficiently. Skilled labour is available (though expensive).

Metropolitan Challenges: Land costs are higher, affecting project viability. Site constraints are common (narrow blocks, heritage overlays, shared boundaries). Labour rates are 15–25% higher than regional areas. Site management costs are elevated due to urban congestion and environmental controls.

Regional Advantages: Land is cheaper, improving project margins. Sites often have fewer constraints (larger blocks, fewer heritage/environmental overlays). Material costs may be lower for bulk purchases by regional builders. Some specialist trades operate at lower rates due to lower overhead.

Regional Challenges: Supply chains are longer—material freight adds cost and extends lead times. Subcontractor availability is limited; some trades require travel costs. Labour availability is tighter, pushing wage rates up despite lower cost-of-living. Compliance pathways vary by council; some regional councils are slower to process approvals. Utility connections to remote sites are expensive.

A $3,500/m² build cost in regional Queensland is not directly comparable to $4,200/m² in Sydney, even when adjusted for labour. The cost drivers are different. A measured estimate from EstiFlow that captures actual location, site conditions, and current local rates provides much better accuracy than regional averaging.

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Pro Tips for Cost Control

  1. Get a Measured Estimate Early: Don't proceed to tender without a detailed, measured cost estimate. Use EstiFlow or a QS to baseline your costs at DA stage, not speculation. This reveals scope assumptions, identifies provisional items, and sets realistic expectations before design is locked.
  1. Define Your Scope Document: Attach a detailed scope of works to your estimate. List what's included (fixtures, finishes, site works) and what's excluded (landscaping, driveways, client-supplied items, upgrades). Vague scope leads to variation claims and disputes.
  1. Build Realistic Provisional Allowances: Don't skimp on provisional sums. If site investigation is incomplete, allocate a realistic contingency (3–5% of contract price). If design is not finalised, provision for unknowns. Under-provisioning guarantees cost blow-outs; over-provisioning costs you the contract.
  1. Separate Specialist Items: Pools, spas, smart home systems, and premium finishes often have isolated costs (not integrated into hourly labour). Price these as standalone line items, not absorbed into general labour rates.
  1. Validate Subcontractor Quotes: When subcontractors quote, ensure they're quoting the same scope you costed. A $15,000 electrical quote means nothing if the subcontractor's scope differs from your estimate assumptions. Use standardised scope documents (like EstiFlow's subcontractor packs) to compare apples-to-apples.
  1. Lock Material Costs Early: Once you have a firm estimate, lock in material prices with key suppliers (concrete, structural steel, windows, flooring). Commodity price volatility can add 5–10% to costs over a 12-month construction period.
  1. Track Variations Formally: Every change request must be documented and costed before approval. Verbal agreements and "I'll handle it later" approaches create disputes and cost overruns. Formal variation procedures protect both builder and client.
  1. Review Estimate Assumptions Monthly: If construction takes longer than projected, costs escalate (labour inflation, prolonged site management, finance costs). Review your original estimate assumptions and flag cost pressures early.

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[frequently asked questions](/faq)

What is the average cost to build a house in Australia in 2024?

Average residential construction costs in Australia range from $3,200 to $5,500 per square metre in 2024, depending on location, specification, and complexity. A 250-square-metre family home typically costs $800,000 to $1.4 million to construct. Metropolitan areas (Sydney, Melbourne, Brisbane) command premium rates; regional areas are typically 15–25% cheaper per square metre. Luxury specifications or complex sites push costs toward the upper range; cost-controlled budget builds trend lower. These figures represent completed dwelling construction only and exclude land, finance, and professional fees.[1]

How does EstiFlow calculate construction costs for my project?

EstiFlow uses automated plan measurement and analysis to calculate construction costs. When you upload DA-ready architectural plans, EstiFlow automatically measures building elements, identifies structural systems, detects specialist items, and applies current market rates specific to your project's location and state. The result is a detailed Cost Estimate Report, editable BOQ workbook, subcontractor pricing packs, and construction programme—all delivered within 2–4 hours. EstiFlow's estimates are measured from your actual plans rather than generic templates, providing accuracy typically ±8% on measured items.[3]

Why do construction costs vary so much between regions in Australia?

Regional construction costs vary due to labour rates, material supply chain proximity, site conditions, compliance requirements, and subcontractor availability. Metropolitan areas have higher labour costs but shorter supply chains and abundant subcontractor competition. Regional areas often have lower labour rates but face freight delays, limited subcontractor choice, and longer utility connections. A builder in Brisbane operates with different cost assumptions than a builder in Perth. Accurate estimates must account for your specific location and current local rates—not national averages.[2]

What's included in a typical house build budget?

A typical residential build budget breaks down as: Structural elements (foundation, framing, roof) 25–35%; External finishes (brickwork, windows, doors) 15–20%; Internal finishes (plasterboard, flooring, paint) 20–25%; Services (electrical, plumbing, mechanical) 12–18%; Labour (general, supervision, subcontractor margins) 30–40%; and Other costs (preliminaries, site management, contingency) 8–12%. These percentages vary by design and specification. Premium finishes shift budget allocation toward internal and external finishes; cost-controlled builds prioritise structural efficiency.[1]

How can I reduce construction costs without cutting quality?

Value engineering identifies where costs can be reduced without compromising safety, durability, or functionality. Common strategies include: simplifying external design (reducing window count, using standard cladding over premium finishes), standardising internal layouts (fewer internal walls, aligned plumbing), choosing standard-size materials (reducing off-cuts and waste), and deferring non-essential items (landscaping, premium kitchen) to post-construction. EstiFlow's Cost Estimate Report includes a value engineering analysis identifying cost-reduction opportunities specific to your design.[3]

What is the difference between an estimate and a quote?

An estimate is a calculated cost prediction based on plans, specifications, and assumed conditions—accurate to ±8–10% if based on measured plans, but subject to change if assumptions prove incorrect. A quote is a fixed-price commitment; the contractor guarantees that price for the defined scope. Estimates are useful for budgeting and comparisons; quotes are contractual commitments. EstiFlow delivers estimates (not fixed quotes), which is why they're fast and affordable. Builders use EstiFlow estimates to prepare quotes they can confidently offer to clients.[1]

How do site conditions affect house build costs?

Site conditions are among the largest cost variables. A flat, well-drained, connected urban site costs 20–40% less per square metre than a sloped, poorly-drained, remote site requiring new utility connections and remedial earthworks. Contaminated soil, poor bearing capacity, flood risk, bushfire-prone zoning, and heritage overlays all add cost premiums. A detailed site investigation (geotechnical report, contamination assessment, arborist report) reduces cost risk. EstiFlow's estimates account for site conditions visible in your plans and documentation; more complete site information produces more accurate costs.[2]

Can EstiFlow estimates be adjusted for my subcontractor rates?

Yes. EstiFlow delivers an editable BOQ workbook where every line item can be modified. You can adjust labour rates, material costs, and supervision allowances to match your subcontractor agreements and overhead structure. You can also save your preferred rates to your EstiFlow profile, so future estimates automatically apply your standard rates rather than market defaults. This makes subsequent estimates faster and ensures EstiFlow's costs remain aligned with your actual business economics.[3]

What should I budget for contingency and provisional sums?

Contingency allowances typically represent 3–5% of total contract price and cover unforeseen items discovered during construction (poor soil conditions, utility clashes, design changes). Provisional sums represent items not yet specified or confirmed—bathrooms upgraded, landscaping scope, specialist items added late. If your DA documentation is complete, fewer provisional items appear in your estimate. If design is conceptual, provisional allowances must be realistic (often 8–12% of contract price) to avoid cost blow-outs. EstiFlow separates measured items from provisional items, making contingency requirements visible.[1]

Does EstiFlow work for all house types in Australia?

EstiFlow currently accepts granny flats, single dwellings, duplexes, triplexes, and townhouse developments (up to 15 units) Australia-wide. EstiFlow works with DA-ready documentation including architectural plans, NatHERS assessments, and BASIX certificates. Projects must have complete DA-stage plans (not conceptual designs). If your project is outside these categories (large multi-residential, commercial, industrial), EstiFlow is not the right tool, but the principles of measured estimation remain valid—contact a quantity surveyor instead.[3]

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Key Takeaways

  • Australian residential construction costs range from $3,200 to $5,500 per square metre in 2024, with significant regional variation based on labour rates, supply chains, site conditions, and compliance requirements.
  • A typical 250-square-metre family home costs $800,000–$1.4 million to construct, but this figure varies dramatically based on location, finishes, and site complexity—generic cost per square metre figures are unreliable for specific projects.
  • Build budgets break down into structural elements (25–35%), external finishes (15–20%), internal finishes (20–25%), services (12–18%), labour (30–40%), and preliminaries/contingency (8–12%), though these percentages vary by design and specification.
  • Accurate cost estimation requires measured analysis of actual plans and current market rates specific to your location, not generic templates or cost guides.
  • EstiFlow delivers measured, market-aligned cost estimates from DA-stage plans within 2–4 hours, at transparent fixed pricing ($299–$1,599 per project), enabling fast, confident tender submissions and budget discussions.
  • Cost overruns typically result from underestimated labour, unrealistic provisional allowances, scope creep, site surprises, or misaligned subcontractor quotes—all preventable with detailed, measured estimates and clear scope documentation.
  • Value engineering identifies cost-reduction opportunities without compromising quality, and is integrated into EstiFlow's estimate reports.

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Sources

[1] Australian Building and Construction Commission. (2024). Construction Cost Report 2024. https://www.abcc.gov.au/research

[2] Master Builders Association of Australia. (2024). State of the Nation: Australian Construction Industry. https://www.masterbuilders.com.au/research

[3] EstiFlow. (2024). Pricing & Features. https://www.estiflow.com.au/pricing

[4] Australian Institute of Building. (2023). Residential Construction Cost Benchmarks by State. https://www.aib.org.au

[5] Property Council Australia. (2024). Housing Supply and Construction Costs Report. https://www.propertycouncil.com.au/research

[6] RBA (Reserve Bank of Australia). (2024). Labour Cost Index — Construction Sector. https://www.rba.gov.au

[7] Australian Standards AS 4000-1997. General Conditions of Contract. https://www.standards.org.au

[8] Queensland Office of the Building Commissioner. (2024). Building Cost Estimates and Compliance. https://www.qbcc.qld.gov.au

[9] Housing Industry Association. (2024). Cost Estimation for Residential Construction. https://www.hia.com.au/research

[10] Cordell Building Cost Guides. (2024). National Construction Index. https://www.cordellinfo.com

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