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Links Property Finance · Low doc mortgage broker, Sydney: Low Doc Home Loans for Self-Employed Borrowers

A low doc home loan, more accurately alt doc, is a loan for self-employed borrowers whose tax returns aren't ready or don't tell the current story.

Reviewed by Charles Touma Updated 18 October 2026

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Low doc home loans: who are they for, and what do they cost?

A low doc home loan, more accurately alt doc, is a loan for self-employed borrowers whose tax returns aren't ready or don't tell the current story. Instead of full financials, lenders assess alternative evidence: BAS, business bank statements, or an accountant's declaration.

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Legitimate, useful, priced differently, and best used deliberately.

Part of the employment and income home loans guide.

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  • What do lenders generally assess?

    Instead of two years of returns: some combination of lodged BAS, commonly six to twelve months, business bank statements showing turnover, and a signed declaration of income, often supported by an accountant's letter.

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Estimate income from your BAS

Your four most recent quarters

Indicative only, not credit advice and not any lender's formula. Lenders do not derive income from turnover by a fixed percentage; they compare a declared income against turnover for plausibility. Margins vary enormously by industry, and your accountant determines your actual income.

Confirm your numbers.

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Who this suits

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  • Business owners whose latest returns aren't finalised but whose trading is strong.
  • Operators whose last lodged year understates the business as it runs today.
  • Recently established ABNs with real revenue and not much paperwork history.
  • And borrowers whose accountant-optimised taxable income doesn't reflect capacity, though for many of those, the right full-doc lender with generous add-backs is the better first look.

What do lenders generally assess?

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  • Instead of two years of returns: some combination of lodged BAS, commonly six to twelve months, business bank statements showing turnover, and a signed declaration of income, often supported by an accountant's letter.
  • ABN and GST registration history matter, and the deposit usually needs to be stronger than a full-doc equivalent.
  • Evidence menus differ meaningfully between lenders.

The trade-offs

Alt doc pricing sits above full-doc, and maximum loan-to-value ratios are usually lower, expect a larger deposit requirement and sometimes risk fees at higher ratios. That is the market pricing less verification.

The strategy that works: use alt doc to move when moving matters, keep the file clean, and refinance toward full-doc pricing once the returns catch up, the exit is planned on day one, exactly as with specialist credit lending.

Common problems with low doc applications

BAS that don't reconcile with bank statements. Declarations that outrun what the evidence supports, lenders test plausibility, and an aggressive number invites decline. GST registration too young for the policy. This is matching work, not form-filling.

And using alt doc when a good full-doc lender would have read the real financials better, which costs pricing for no reason.

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Documentation pathways compared

  • Full documentationTwo years of lodged returns and notices of assessment. Standard rates and the highest loan-to-value ratios; the first choice whenever the returns support the figure.
  • One-year full documentationThe latest year’s returns only, at a smaller group of lenders, often with two years of ABN registration. Standard or near-standard pricing.
  • Alternative documentation on BASSix to twelve months of lodged activity statements, with turnover converted to income at the lender’s margin. Higher rates, lower maximum ratios, commonly 80 per cent, and risk fees at the top of the range.
  • Bank statements or an accountant’s declarationBusiness bank statements showing turnover, or a signed declaration supported by your accountant. The narrowest lender list and the most expensive pricing; a bridge to a full documentation refinance once returns are lodged.

How does a low doc application run, step by step?

  1. 1
    Test full documentation firstAdd-backs or a one-year lender often beat low doc on price and deposit.
  2. 2
    Gather the alternative evidenceBAS for six to twelve months, business statements, ABN and GST history.
  3. 3
    Add the accountant’s declarationWhere the lender asks for one, it confirms your income is consistent with the evidence.
  4. 4
    Match deposit and pricingMaximum loan-to-value ratio and rate differ more between low doc lenders than full doc ones.
  5. 5
    Plan the move to full docOnce returns are lodged, a refinance to standard pricing is usually the next step.

Common questions about low doc loans

Is low doc lending still available?

Yes. The old no-doc products are gone; modern alt doc lending still verifies income, just through alternative evidence like BAS, bank statements and declarations. Responsible lending obligations apply exactly as they do elsewhere.

What deposit do I need for a low doc loan?

Generally more than full-doc, maximum loan-to-value ratios commonly sit around 80% and sometimes lower, with pricing steps along the way. Policies differ by lender and the strength of the evidence.

Do low doc loans cost more?

Usually, yes. The premium varies by lender and ratio, and the sensible plan treats alt doc as a bridge: clean conduct, returns lodged, then a refinance review toward full-doc pricing.

Can I use BAS instead of tax returns?

With many alt doc lenders, yes, commonly six to twelve months of lodged BAS, often alongside bank statements or an accountant’s letter. Which combination, and how income is calculated from it, differs by lender, run your numbers through our self-employed income calculator first.

Will applying alt doc hurt my chance at full-doc later?

No, not a well-placed application, and refinancing back to a full-doc loan later is normal. What hurts is scattergun applications, so the same enquiry discipline applies here.

Get advice on low doc home loans

Full doc with add-backs, or alt doc on BAS and statements, the right answer depends on your actual numbers. Charles compares both before anything is lodged.

Prefer a callback?

Charles Touma, mortgage broker at Links Property FinanceCharles calls back within one business day. No documents needed yet.

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Charles Touma, mortgage broker at Links Property Finance
Reviewed by Charles Touma Director & Mortgage Broker · MFAA member · Credit Representative 579003 under ACL 389328 About Charles · MFAA register · ASIC register · Complaints processEvery page is reviewed by Charles before it is published and checked against current lender policy and the official scheme pages linked where figures appear.

General information only, not credit or financial advice. Alt doc evidence requirements, LVR limits and pricing vary by lender and change over time; all lending is subject to individual assessment and approval.