Home Loans on Irregular Mining, Construction and FIFO Income

For mining, construction and FIFO workers, an irregular roster or project‑based income doesn’t have to kill your home loan plans. Lenders will work with variable income as long as you can show a clear, well‑documented pattern and sensible buffers. The trick is knowing how banks read your payslips, contracts and tax returns – and choosing local‑friendly lenders who actually understand your region.

In this guide we’ll unpack how to present your income so it looks stable, what documents to prepare this week, and how to structure your loans so you’re safe if the roster changes or a project wraps up.

Quick answer: You can get a home or investment loan on FIFO/mining/construction income if you can show 6–24 months of consistent work pattern and income, with payslips, group certificates and tax returns to back it. Lenders usually average variable income, shade it (e.g. 80%), and then apply a 3% APRA serviceability buffer, so building cash buffers and structuring your accounts well is just as important as the raw income number.

Mining and FIFO work can support a home loan when you present income clearly.

1. Why mining, construction and FIFO income looks risky to banks

1.1 The bank’s problem with rosters and projects

From a lender’s perspective, a 38‑hour, Monday–Friday job in a capital city is predictable. A 7/7 FIFO roster out of Perth, a shutdown contract in the Pilbara, or a civil project in regional Queensland is not.

Banks worry about:

• Gaps between swings or projects – no pay for travel days or between contracts.
• Overtime and allowances – can disappear if rosters change, projects slow or safety rules tighten.
• Short‑term contracts – 3–12 month horizons are common, but loans run 25–30 years.
• Industry cyclicality – mining and construction are tightly linked to commodity prices and government spending.

Roy Morgan’s 2026 research shows over 30% of owner‑occupier borrowers are ‘At Risk’ of mortgage stress when rates rise and incomes soften. Workers in cyclical industries sit closer to that edge than most, so lenders are stricter by default.

The good news is that many lenders do understand these sectors – especially those with strong footprints in WA, QLD and regional hubs – if you present your income story properly.

1.2 How your income really shows up on paper

Mining, construction and FIFO income often has more moving parts than a standard salary:

• Base hourly or daily rate
• Roster loading (e.g. 7/7, 8/6, 2/1)
• Overtime (time‑and‑a‑half, double time)
• Site, travel or distance allowances
• LAHA (living away from home allowance)
• Tool, travel, meal and uniform allowances
• Shutdown or project bonuses
• Shift penalties and weekend loading

Lenders don’t just add everything up. They split it into:

1. Core income – base rate plus truly regular loadings.
2. Variable income – overtime, bonuses, irregular allowances.

Core income is usually counted at 100%. Variable income is:

• Averaged over 6–24 months; and
• Often shaded to 60–80% to allow for bad years.

If you don’t show the pattern clearly, many banks default to base only – which can slash your borrowing power.

2. How lenders actually assess FIFO, mining and construction income

2.1 Common income types and how banks treat them

Below is an indicative summary of how mainstream and local‑friendly lenders typically view different components. Always assume variation by lender and policy.

*Indicative only, not a promise from any specific lender.

2.2 PAYG vs contractor vs self‑employed

Your label on paper matters as much as your actual work pattern.

• PAYG employee (on payroll)
  Treated as the most stable, especially if:

  • Probation is finished
  • You have at least 3–6 months with current employer, and
  • You can show a 2+ year history in the same industry.

• ABN contractor (same mine or builder)
  Often treated like self‑employed. Lenders typically ask for:

  • 2 years of tax returns and ATO notices of assessment; or
  • At minimum 1 full financial year plus a strong year‑to‑date run.

• Self‑employed (Pty Ltd, trust, sole trader)
  Income is taken from business financials and your personal returns, very similar to the scenarios covered in /insights/self-employed-borrowers-benefit-skilled-mortgage-broker and /insights/self-employed-complex-income-local-industry-broker.

If your real day‑to‑day looks like an employee, but your paperwork says “contractor”, you need a very deliberate strategy to present that income sensibly.

2.3 Worked example: FIFO boilermaker

• Base: $55/hour, 12‑hour shifts, 7/7 roster, PAYG
• Average rostered hours: 42 hours/week (allowing for travel days, unpaid breaks)
• Historic overtime: extra 8 hours/week on average over 24 months
• LAHA: $140/day, taxed, appears on payslip

Your actual average gross weekly income might look like:

• Base (42 × $55) = $2,310
• Overtime (8 × $82.50 at time‑and‑a‑half) ≈ $660
• LAHA (7 × $140) = $980
  Total ≈ $3,950/week, or about $205,000 p.a.

A typical lender might assess it as:

• Base + roster loading: $2,310 × 52 = $120,120 (100%)
• Overtime: $660 × 52 = $34,320, shaded to 80% → $27,456
• LAHA: $980 × 52 = $50,960, shaded to 80% → $40,768

Assessable income ≈ $188,000, not the full $205,000. If you don’t clearly evidence the overtime and LAHA history, you might be assessed closer to just the base.

3. Key documents to pull together this week

3.1 The minimum income evidence most lenders want

For PAYG FIFO/mining/construction workers, expect to provide:

• Last 3–6 months payslips (more if income is highly variable)
• Most recent PAYG payment summary / income statement
• Latest tax return and ATO Notice of Assessment
• Employment contract or letter confirming:
  • Role and classification
  • Roster and expected hours
  • Allowances and loadings
  • Probation end date and contract term (if fixed)

For contractors and self‑employed:

• 2 most recent personal tax returns and notices of assessment
• 2 most recent business financial statements (if company/trust)
• BAS statements if latest financial year isn’t lodged yet
• Current contracts or purchase orders showing day‑rates or schedule of rates

These are the same building blocks used when we’re dealing with company or trust income for more complex deals such as off‑the‑plan purchases – see /insights/using-company-trust-partnership-income-off-the-plan-loan.

3.2 Extra documents that can swing things your way

When your income looks lumpy, strong secondary evidence can tilt a borderline decision into an approval:

• 12–24 months of bank statements for the account your wages hit
• Roster history or a letter from HR confirming the typical pattern
• Letter from your supervisor outlining expected overtime / shutdown work
• Evidence of repeat contracts with the same mine, builder or principal
• Updated CV showing steady work history in the same trade/industry

If your income has increased recently (e.g. new roster or higher rate), this extra detail helps explain why the jump is genuine and sustainable.

3.3 Tidying the story before any lender sees it

Before you send anything, check for:

• Mismatched names or dates across payslips, contracts and bank statements
• Random large deposits that aren’t from your employer – they will be questioned
• Negative or tiny taxable income on returns (common when your accountant optimises for tax)

If the tax returns don’t line up with your borrowing goals, you may need a 1–2 year plan to reshape your numbers, similar to the strategy in /insights/self-employed-buyer-two-year-build-income-volatility-case-study.

Organised payslips, tax returns and bank statements turn irregular income into a bank‑friendly story.