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How a Self‑Employed Professional Bought in Randwick With Complex Income

A detailed case study of a self‑employed Eastern Suburbs professional who bought in Randwick using complex income – without overstretching the practice or personal cashflow.

27 Sept 2026Updated 27 Sept 202614 min read

Key Takeaway

This case study explains how a self‑employed professional with complex income successfully secured a Randwick home loan by translating messy practice income into a lender‑friendly story, structuring purpose‑based loan splits, and retaining a 6–12 month cash buffer. It highlights the importance of coordinating tax and borrowing strategies, staying within 30–35% of after‑tax income for stressed repayments, and using offsets and splits to manage lumpy income. Readers gain a practical template to prepare their own self‑employed application safely.

How a Self‑Employed Professional Bought in Randwick With Complex Income

Buying in Randwick as a self‑employed professional is absolutely possible, even with complex income, as long as you can turn your business numbers into a clear story a lender trusts, keep total repayments around 30–35% of after‑tax income when stressed 3% above current rates, and hold at least 6–12 months of essential living costs plus loan repayments in cash or a true offset after settlement.

This case study walks through how one Eastern Suburbs practice owner did exactly that — and what you can copy this week.

Self‑employed professional preparing financial documents for home loan Translating complex practice income into a lender‑friendly story starts with organised numbers.


1. The client: self‑employed, good income, messy story

1.1 Who they were

Our client (let’s call her Sarah) was a 41‑year‑old health professional who owned a small practice in the Eastern Suburbs.

  • Profession: allied health professional
  • Structure: trading via a discretionary trust with a corporate trustee
  • Income streams:
    • Practice profits
    • Service fees from a second location as a contractor
    • Small research consulting side gig
  • Family situation: single, no kids
  • Goal: buy a 2‑bed unit in Randwick to live in, with scope to keep it later as an investment

She’d been in business more than five years. On paper, she was doing well. In practice, her income looked lumpy and over‑engineered for tax.

1.2 The finance problem

Sarah’s accountant had legitimately driven her taxable income down using:

  • discretionary trust distributions across family members
  • accelerated deductions in a big renovation year for the practice
  • carrying forward some losses.

That meant her last two tax returns showed:

  • Year 1 taxable income: $135,000
  • Year 2 taxable income: $95,000 (after a big one‑off deduction year)

In reality, average cash income into her personal accounts was closer to $170,000 per year. Lenders, however, work off tax returns and financials — and usually shade complex income.

She’d already been knocked back by her main bank, who only looked at the last year’s $95,000 and applied conservative margins.

Core challenge: turn real business performance and cashflow into a bank‑ready income story without rewriting history.

If this sounds familiar, read this case study alongside the step‑by‑step framework in Turn Chaotic Self‑Employed Accounts Into a Bank‑Ready Story Fast.


2. The Randwick purchase brief and budget

2.1 Property and price point

Sarah wanted a walk‑up 2‑bed unit in Randwick — near the light rail and hospital precinct.

  • Target price range: $1.25m–$1.4m
  • Strata: preferred smaller blocks, well‑run sinking funds
  • Timeframe: buy in the next 3–6 months before rents rose again

2.2 Savings, deposit and buffer

At first meeting, her position was:

  • Cash savings: $260,000
  • Existing investments: $40,000 in ETFs (we assumed she’d keep these as emergency back‑up)
  • No home yet, renting for $850/week
  • No major personal debts (just a $6,000 credit card limit, cleared monthly)

We immediately split her $260,000 into three buckets:

  1. Deposits and costs (stamp duty, legals, inspections)
  2. Post‑settlement cash buffer
  3. Do‑not‑touch reserve for the practice

Based on internal risk guidelines for self‑employed Eastern Suburbs buyers, we wanted Sarah to retain 6–12 months of stressed loan repayments plus essential living costs in cash or a true offset after settlement (see knowledge facts 2, 3, 4, 12 and 16).

2.3 Worked numbers: can this actually work?

We modelled a target purchase around $1.3m.

Indicative numbers (for explanation only, not live rates):

  • Purchase price: $1,300,000
  • Stamp duty (NSW owner‑occupier, no concessions): ~$56,000
  • Legal, inspections, adjustments: ~$4,000
  • Total upfront costs (excluding deposit): $60,000

If Sarah tipped in $220,000 and kept $40,000 aside as a buffer:

  • Deposit: $160,000 (about 12%)
  • Costs: $60,000
  • Loan amount: $1,140,000 (LVR ~87.7%, so LMI applies)

To keep things simpler and cheaper long‑term, we instead aimed for:

  • Loan at or under 85% LVR to reduce lenders mortgage insurance (LMI)

That nudged us to a rough sweet spot:

  • Target loan: $1,105,000 (85% of $1.3m)
  • Client cash contribution: purchase price + costs − loan
    • $1,300,000 + $60,000 − $1,105,000 = $255,000

That would technically wipe out her $260,000, leaving only $5,000 buffer — which is not acceptable for a self‑employed client.

So we iterated.


3. Re‑scoping: price, LVR and safety

3.1 Price vs buffer trade‑off

We prioritised buffer over price. With mortgage stress at an 18‑year high and over 32% of borrowers ‘At Risk’ nationally (Roy Morgan, July 2026), we were not going to put a self‑employed client into a hand‑to‑mouth position.

We set a minimum buffer target:

  • 9 months of stressed repayments + essential living costs, in line with our 6–12 month guideline for self‑employed buyers.

Sarah’s realistic essential spending (after honest review) was about $4,200/month excluding rent.

We then modelled the loan at a 3% serviceability buffer above a base rate.

Assume (illustrative only):

  • Base P&I variable rate: 6.0% p.a.
  • Stressed rate for buffer modelling: 9.0% p.a.
  • Loan term: 30 years
  • Loan amount scenario: $1,050,000 (approx 81% LVR on $1.3m)

P&I at 9% over 30 years is roughly $8,460/month.

Total stressed monthly cost:

  • Home loan: $8,460
  • Living costs: $4,200
  • Total: $12,660/month

Nine months of this is about $113,940.

We wanted that amount in cash/offset after settlement.

Given Sarah only had $260,000, it was clear:

  1. We had to lower the purchase price, and
  2. We had to structure the loan so that a large portion of her cash sat in offset, not spent upfront.

3.2 Final target price and LVR

We re‑anchored around $1.15m–$1.2m for Randwick.

At a $1.18m purchase:

  • Stamp duty + costs: still ~$60,000
  • Loan at 85% LVR: $1,003,000
  • Total funds needed: $1,180,000 + $60,000 − $1,003,000 = $237,000
  • Remaining cash from $260,000: $23,000

This was still short of our $113k+ buffer target.

So we changed the structure.


4. The income story: from complex to bank‑ready

4.1 Coordinating with the accountant

The critical move was to align tax and borrowing. We set up a joint session with Sarah’s accountant.

We:

  1. Built a shared cashflow model of the practice and her drawings (echoing knowledge fact 1 and 8).
  2. Identified which deductions could be smoothed in the upcoming year.
  3. Confirmed we could provide:
    • Two full years of financials and tax returns
    • Current‑year management accounts
    • Business bank statements showing strong, consistent turnover

4.2 What we presented to the lender

For the right lender (policy‑wise), we framed income as:

  • Averaged practice profit over 2 years, adjusted for one‑off renovation costs
  • Plus consistent contractor income (2‑year average, shading the most recent year slightly)
  • Ignoring very small irregular consulting unless needed

Indicative income numbers presented (for illustration):

  • Adjusted practice income: $155,000 p.a.
  • Contractor income: $35,000 p.a.
  • Total assessable income used: $190,000 p.a.

This is very different to the last tax return’s $95,000.

We also included explanatory notes tying the management accounts and bank statements back to the tax returns. The goal was to make the credit assessor’s job easy.

If your situation looks similar — multiple income streams, trust or company structure — pair this case study with Turning Side Hustles, Start‑Ups and ESOPs Into Bankable Income for a one‑week clean‑up plan.

4.3 Serviceability position

At $190,000 assessable income, using APRA’s 3% buffer and higher living cost assumptions (HEM plus a self‑employed margin), Sarah’s maximum borrowing capacity with a suitable lender was in the $1.0m–$1.1m range.

That matched our revised target loan nicely.


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Frequently asked questions

How much can a self‑employed professional borrow for a Randwick home?▾
There’s no universal amount, because lenders look at your last two years of tax returns, financials and business strength. Many self‑employed professionals in the Eastern Suburbs end up with borrowing capacity in the $800,000 to $1.2 million range once income is averaged and shaded. The key limits are the 3% serviceability buffer and your ability to keep a solid cash buffer after settlement.
Do I need two full years of tax returns to get approved?▾
Most major lenders want two full years of tax returns and financials for self‑employed borrowers. Some specialist lenders will consider one year of returns plus strong BAS and bank statements, but may charge higher rates or fees. If you’re close to lodging a stronger year, it’s worth coordinating timing with your accountant and broker.
Can I buy in Randwick with less than a 20% deposit if I’m self‑employed?▾
Yes, it’s possible to buy with less than a 20% deposit as a self‑employed borrower, but you’ll usually pay lenders mortgage insurance if your loan is above 80% of the property value. Strong financials, clean tax records and a healthy cash buffer are important. Lenders may be more cautious above 85–90% LVR for self‑employed clients.
How big should my buffer be if my income is lumpy?▾
For lumpy or irregular income, a sensible buffer is 6 to 12 months of stressed mortgage repayments plus essential living costs held in cash or a true offset account. That means modelling your loan at an interest rate about 3% higher than current and making sure you could still cover all outgoings from your buffer alone if business slows.
Is a boutique broker really better for self‑employed clients?▾
Boutique brokers are often better suited to self‑employed clients because they can spend time unpacking trust structures, company accounts and multiple income streams. Instead of forcing you into a standard template, they select lenders whose policies fit your situation and help present a consistent income story. For simple PAYG borrowers this may matter less, but for complex cases it can be crucial.
What if my last tax return is low because of deductions?▾
A low taxable income year due to one‑off deductions is common for self‑employed people. You usually don’t need to change your tax returns. Instead, a good broker will work with your accountant to explain the one‑off items, use management accounts and bank statements, and direct you to lenders who will average income or normalise those figures under their policy.

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