Hidden Costs of Buying a Home in Australia Explained

Avoid financial surprises by learning the hidden costs of buying a home and how to identify property risks before making your final decision.

The purchase price is just the start. Most buyers in Australia get a shock somewhere between signing contracts and settlement day, and it is not because they were careless. It is because the full cost of buying a house is rarely laid out clearly upfront.

Most buyers have a rough idea of the obvious costs: 

• Stamp duty. 
• Legal fees. 
• Building inspection. 
• Moving truck.

Those are covered in detail in our guide to expenses in buying a house. If you have not read that one yet, it is a good place to start. But there is a second layer of costs and risks that does not make most lists. Things that show up late in the process, or not at all until after settlement. That is what we need to talk about.

The Costs You Already Know About

Quick recap of the main expenses covered in our previous guide. If you want the full breakdown with figures, head to our expenses in buying a house article.

• Stamp duty 
• Conveyancing and legal fees
• Building and pest inspection
• Lenders Mortgage Insurance 
• Building insurance 
• Moving costs 

For full detail on each of these costs, read our complete guide to expenses in buying a house. {Link}

The Costs That Do Not Make Most Lists

These are the ones worth paying close attention to. They are either poorly understood or poorly timed.

Insurance Starts at Exchange, Not Settlement

This one catches a lot of buyers off guard. Most people think about building insurance around settlement day. But in NSW, the financial risk of damage to the property passes to the buyer at exchange of contracts.

A fire, a storm, a flood between exchange and settlement. That is your exposure, not the seller’s.

Sort building insurance before you sign contracts. Not after. A few days gap in cover can be a very expensive oversight.

Rate Adjustments on Settlement Day

Council rates and water rates are billed in advance each quarter. If the seller has prepaid past the settlement date, you reimburse them for your share.

It is not a huge amount. Usually $200 to $500 depending on timing. But it appears on the settlement statement as a number you did not put in your budget, and it surprises people every time.

Build a small buffer into your settlement funds. You will thank yourself for it.

Utility Connection Fees

Setting up electricity, gas, water and internet at a new property costs money. Connection fees vary by provider and whether services are currently active at the property.

Budget a couple of hundred dollars. More importantly, allow a few days lead time. Some providers take longer than you expect, and moving into a property with no power or internet is not a great start.

Strata Special Levies

If you are buying an apartment or townhouse, you already know about regular strata levies. Most buyers factor those in.

What many do not check is the sinking fund. This is the account used for major building works. Roof repairs, lift replacement, waterproofing, external painting. All expensive.

If the sinking fund is underfunded when something big needs fixing, the owners corporation issues a special levy. That cost lands on whoever owns a lot at the time. Which could be you, shortly after you move in.

Always get the strata report before you exchange. Check the sinking fund balance and look for any planned or upcoming works.

Lender Valuation Gaps

Your bank orders its own valuation of the property, separate from what you agreed to pay. If the bank values the property lower than your purchase price, they lend against the lower number.

The gap between the two is yours to cover. That can mean a larger deposit on short notice, or renegotiating the purchase price with the seller.

In a competitive market where buyers are paying above asking, valuation gaps are more common than people expect. Factor this into your borrowing buffer.

What to Budget on a $750,000 Purchase in NSW

Everyone’s situation is different. But here is a realistic range for a $750,000 property in New South Wales. These are estimates only.

Add at least 5% of the purchase price to your budget for extra costs. If your deposit is under 20%, budget closer to 7% to account for LMI. 

These are approximate numbers and may vary based on a variety of factors.

The Risks a Property Report Turns Up Before You Buy

The costs above are the financial side. There is another category of risk that gets underestimated: what you do not know about the land itself.

A home can look great at a Saturday open home. Nice kitchen, good light, quiet street. And then you find out the block sits in a flood overlay. Or the zoning prevents the granny flat you were counting on. Or there is a heritage listing that restricts almost any external work.

None of that shows up during a walk-through. None of it gets volunteered by the selling agent.

When Property Risks Actually Cost You Money

Here is what some of those findings look like in practice.

• Flood overlays. A property mapped as flood-prone can be difficult or very expensive to insure. Some insurers will not cover it at all. Find this out after you buy and your options are limited.
• Zoning that does not match your plans. You want to add a granny flat, subdivide or run a business from home. The zoning says no. A Check This Property zoning report tells you before you commit, not after.
• Heritage listings. Protection can restrict almost any external change to a property. New windows, a different roof color, a deck. If you are planning work, this matters a lot.
• Easements. A drainage or access easement running through the block can prevent building where you planned. It will not be obvious at an open home.
• Contaminated land. Former petrol stations, dry cleaners and industrial sites can leave problems behind. Remediation is expensive, and some lenders will not lend against contaminated land.

None of these disqualify a property outright. But they change the decision. You might negotiate a lower price, factor in additional costs, or walk away. You can only do that if you have the information before you sign anything.

Practical Tips for First Home Buyers in NSW

• Check stamp duty eligibility before you start looking seriously. The NSW First Home Buyer Assistance Scheme has income and price thresholds. Verify the current figures directly on the Revenue NSW website.
• Look into the First Home Guarantee. The federal scheme lets eligible buyers purchase with a 5% deposit and no LMI. There are income and price caps, but it is accessible for a lot of buyers in regional NSW.
• Get a conveyancer involved before you make an offer. A quick contract review can reveal issues that give you negotiating room or a reason to walk away.
• Order a CheckThisProperty property report before auction day. Auctions are unconditional. If you buy and then discover a planning or zoning problem, that problem is yours. A Check This Property NSW property check done before you bid removes that risk.
• Ask your lender for a full fee schedule before you sign. Get it in writing. Compare the comparison rate across at least two or three lenders, not just the headline interest rate.
• Get three quotes for every service. Conveyancers, inspectors and removalists all vary in price. Three quotes takes a few hours and often saves a few hundred dollars.

Know the Hidden Costs of Buying a Home

The obvious costs are manageable when you plan for them. It is the ones nobody mentions that do the damage.

Zoning that blocks your plans. A flood overlay that makes the property uninsurable. A strata special levy that lands two months after you move in. A valuation gap that stretches your finances at the worst possible moment.

Check the property properly before you commit. Run a CheckThisProperty property report. Get the strata report. Sort insurance before exchange.

The nasty surprises in property are almost always avoidable. You just need to look before you leap.

Frequently Asked Questions

What hidden costs do buyers most often miss?

Rate adjustments at settlement, insurance obligations from exchange (not settlement), strata special levies, lender valuation gaps and planning restrictions on the land. These rarely appear on standard buying checklists.

What is a valuation gap and how does it affect me?

Your bank values the property independently. If their valuation comes in below your purchase price, they lend against the lower number. The difference is yours to fund. In competitive markets, this happens more often than buyers expect.

Does a building inspection cover zoning and flood risks?

No. A building inspection covers the physical structure. Zoning, overlays, heritage listings and easements are separate. A Check This Property report covers these and pulls data from NSW government planning records.

When should I run a CheckThisProperty property report?

Before you make an offer or before auction day. Auctions are unconditional. If you buy and then find a planning problem, that problem is yours. A Check This Property NSW property check done early gives you the information while you still have options.

Is the CheckThisProperty property report free?

The Check This Property zoning report is free. Run it in minutes at checkthisproperty.com.au before you make any decisions on a property.