Property Flipping and Tax: Why "Living In While You Renovate" Rarely Means Tax-Free
There's a widespread belief that buying a property, renovating it while you live there, and then selling it guarantees a tax-free result under the CGT main residence exemption. The ATO is well aware of this thinking — and in most cases, it disagrees.
How is a property flipping activity classified for tax?
The same three-category framework that applies to property development applies to renovation and flipping. The classification — not the fact of residence — determines the tax outcome.
| Classification | Typical profile | Tax treatment |
|---|---|---|
| Business | Multiple properties renovated and sold; commercially organised; dedicated time and focus | Revenue account (trading stock rules); all sale proceeds assessable as ordinary income |
| Profit-making scheme | One-off project, commercially planned, acquired with intent to renovate and sell at a profit | Net profit assessable as ordinary income; CGT also applies (capital gain reduced by net profit under anti-overlap rule, s.118-20) |
| Mere realisation | Genuinely acquired to live in; sold due to unforeseen circumstances; no profit intent at acquisition | CGT only; main residence exemption may apply in full |
The determining factor is intent at the time of acquisition — not whether you were living in the property during renovations.
Does living in the property while renovating avoid the tax?
If you acquired the property with the purpose of renovating and selling at a profit, living there during the renovations does not change the tax classification. The ATO's view — backed by TR 92/3 and case law — is that a profit-making purpose does not disappear simply because it coincides with a residential purpose.
Where the main residence exemption can legitimately apply is where:
You genuinely bought the property to live in long-term (not to flip)
You renovated it for your own use and enjoyment
You subsequently sold due to unforeseen circumstances (e.g., job relocation, health, relationship breakdown)
In that case, no profit purpose existed at acquisition, the activity is a mere realisation of a capital asset, and the main residence exemption may apply in full.
How does the ATO draw the line? Three illustrative examples
Barry — property renovation business: Barry is a carpenter who quit his job, set up a home office to monitor property markets, and bought and renovated multiple properties in quick succession. Repetition, commercial organisation, and dedicated focus means his activities constitute a business. Trading stock rules apply — all sale proceeds are ordinary income.
Fred and Wilma — profit-making scheme: Fred and Wilma sold their home, bought a new property to renovate and sell, and planned the project methodically in stages with budgets and contractor schedules. They moved in during the renovation. One property — but clearly commercially organised with a profit purpose — makes this a profit-making scheme. Net profit is assessable as ordinary income. The fact that they lived there does not change this.
Molly — mere realisation (initially): Molly bought a property to rent, renovated it after hours to attract better tenants, then sold when the market boomed. No profit intent at acquisition = mere realisation. CGT only, with the main residence exemption potentially available. However, the ATO notes: if Molly then undertook a second similar renovation with the same result in mind, that subsequent activity would likely be a profit-making scheme.
Does GST apply when selling a renovated property?
Unlike the sale of a newly constructed dwelling (which is always new residential premises), GST on a renovated property only applies if the renovations constitute 'substantial renovations' under the GST Act.
The ATO's guidance (GSTR 2003/3) requires that substantial renovations:
Affect the building as a whole; and
Result in removal or replacement of all, or substantially all, of the building
Cosmetic work — painting, new carpets, a refreshed kitchen — does not meet this threshold. Where renovations do qualify as substantial, the premises become 'new residential premises' and the sale is a taxable supply, with GST payable and input tax credits potentially claimable on renovation costs.
Where a renovation activity is classified as a business or profit-making scheme, GST registration obligations need to be considered if projected turnover from the sale exceeds $75,000 — which it almost always will.
Frequently Asked Questions
Can the main residence exemption apply even if I lived in the property during renovations? Only if you can establish that there was no profit purpose at the time of acquisition. If you bought the property to renovate and sell, living in it during the work is unlikely to change the tax outcome.
What if I only renovate and flip one property — is that enough to be a scheme? Yes. A single commercially organised transaction with a profit purpose is a profit-making scheme. One property does not automatically mean "mere realisation."
What are the tax consequences if my renovation is classified as a profit-making scheme? The net profit is assessable as ordinary income in the year of settlement. CGT also applies but any capital gain is reduced by the assessable net profit (s.118-20). The 50% CGT discount may apply to any remaining capital gain if the property was held for more than 12 months.
Does a profit-making scheme classification mean the main residence exemption is completely unavailable? Generally yes — where the activity is on revenue account, the main residence exemption (a CGT concession) is not relevant to the income tax assessment on the net profit.
How do I know whether my renovations are 'substantial' for GST purposes? The test is whether the building as a whole has been substantially removed or replaced. If you're uncertain, this is worth clarifying before sale — misclassifying the GST status of a renovated property can result in significant unexpected liability.
This article is general in nature and does not constitute tax advice. If you are planning to renovate and sell a residential property, please contact us before you proceed — the classification of your activity can have significant and irreversible tax consequences.