6th June 2026
Author: Solon Hu
Buying commercial property in NSW has a certain logic to it – the returns often look better than retail or residential options, leases tend to be longer, and there’s the added appeal of holding an asset that can also serve your business. But the shine can wear off quickly if you only budget for the purchase price and forget everything else. The truth is that the cost of buying and holding commercial real estate is rarely what it seems on the surface.
For many first-time buyers, the numbers stack up beautifully – until they don’t. You factor in the sale price, possibly a stamp duty estimate, and assume the rent will cover most of the costs. But without looking closely at what you’ll owe from day one through year five and beyond, things can unravel fast. Some of the biggest drains on your investment aren’t obvious during the buying process at all.
When the Price Isn't the Price
Then there’s GST. Is it included in the price, or is it an additional cost? Was the seller registered for GST, and are you? If you’re not getting clear tax advice upfront, you could be caught paying more than necessary – or worse, making a claim the ATO later denies.
You’ll also need legal and due diligence support. Commercial transactions aren’t one-size-fits-all. Solicitors with commercial law and property law experience are necessary in these cases but are just the first consideration. Add in building inspectors, valuers, and sometimes a planning consultant if zoning or use is unclear. These professionals don’t just tick boxes; they flag red flags you can’t afford to miss. But all of it costs money long before settlement.
The Cost of Holding the Property
Once the element’s done, the financial commitments don’t slow down. Holding a commercial property in NSW entails ongoing costs, many of which aren’t immediately apparent at purchase. Land tax is among the first things that surprise new owners, especially if the property sits in a trust or you already own other land in the state. Rate thresholds vary, and assumptions made at purchase can quickly shift once assessments arrive.
Insurance is another line item that often exceeds expectations. Coverage needs to be broader than a standard home policy. Public liability, loss of rent, and even machinery breakdown cover can drive premiums up fast, especially in older or mixed-use buildings.
Then there are council rates, water charges, and fire safety compliance inspections – the list builds quickly. Even if your tenant covers some of these outgoings, vacant periods expose you. If the property needs a new fit-out or sits empty between tenancies, the costs don’t pause. Owners carrying a mortgage during these gaps often feel the strain first.
Some buyers assume a seamless handover with a sitting tenant or anticipate quickly filling the space. However, timing rarely unfolds that cleanly. Fit-out delays, missed lease negotiations or market downturns can leave a property idle for months. Those months don’t just eat into profits – they pile up, holding costs that many first-time buyers never prepared for.
Compliance and Environmental Costs
This is one of the most underestimated parts of the buying process, especially if the property is older or has been used intensively. Fire safety upgrades, disability access compliance, and structural assessments aren’t just bureaucratic requirements – they’re financial responsibilities that fall squarely on the property owner.
Post-purchase audits are not unusual to uncover asbestos, outdated fire doors, or non-compliant electrical systems. In some cases, buyers inherit these issues unknowingly, only to face costly upgrade notices down the track. Older industrial buildings can also pose hidden environmental risks, particularly for manufacturing or automotive purposes. Soil contamination, improper waste storage, or underground tanks can trigger environmental audits that aren’t just expensive and time-consuming and affect resale value.
Understanding what you’re walking involves reviewing DA conditions, verifying whether previous approvals were closed correctly, and obtaining expert advice on whether any building works were certified correctly. Without that, you risk stepping into a compliance backlog that eats into your first year’s revenue, if not more.
Strata and Shared Facility Surprises
If buying into a strata-titled commercial complex, be ready for unpredictable costs. New buyers commonly skim through the strata reports or miss key details buried in meeting minutes. But that’s where the real financial picture sits. Special levies, maintenance backlogs, or proposed upgrades can significantly impact your bottom line, and most of it won’t show up until you’re already committed.
Shared car parks, lifts, and external facades often come with maintenance responsibilities that are shared among all owners. If a roof replacement or cladding rectification is on the agenda, even a minor share can become a five-figure outlay. And while residential strata follow more straightforward consumer guidelines, commercial schemes often operate with less scrutiny and transparency.
There’s also the issue of insurance. While the corporate body typically holds building insurance, you’re still responsible for ensuring your fit-out and internal improvements. If you haven’t budgeted for both or misunderstood where one policy ends and another begins, you could be underinsured from day one.
Buyers often assume strata levies will remain consistent, only to see them spike within a year due to unforeseen capital works. Without a long-term maintenance plan or a clear sinking fund forecast, there’s no way to predict your share of future costs accurately. And when cash calls come, they’re usually due in full.
Financial Forecasts vs Reality
The numbers often look clean on paper – a tenant in place, fixed rental income, a projected return that beats residential. But real-world ownership rarely plays out as neatly as the initial forecast. Rent-free periods, lease incentives, and property management fees all chip away at your net income. And that’s assuming your tenant pays on time, every time.
Many buyers underestimate the actual cost of tenant retention. If a lease ends and you want to secure a new occupant quickly, you may need to offer fit-out contributions or cover part of the build costs. Those incentives aren’t just for large anchor tenants – they’re becoming common across the board, especially in competitive areas.
Maintenance costs are also often overlooked in most investment projections. An aging air conditioning unit or a faulty roller door might not seem urgent at purchase, but these minor issues can result in downtime or lease breaches if not fixed promptly. And while you might have factored in a modest maintenance buffer, unexpected capital costs rarely fit neatly into that range.
Even good tenants don’t guarantee perfect income. Rental reviews often fail to keep pace with inflation, and market-based reviews can fluctuate significantly. When actual income falls short of the forecast, the underestimated costs – such as holding, compliance, and shared expenses – widen the gap.