Land Tax NSW Calculator: How the 2026 Threshold Freeze Changes Your Bill

Land tax in NSW used to be something most small investors ignored — a holding cost that applied to portfolios large enough that only serious players needed to worry about it. That calculus changed in the 2024–25 State Budget, and it affects every investor with property in NSW, including those who currently sit below the threshold.

Here's exactly how to calculate your NSW land tax liability, what the threshold freeze means for your portfolio over time, and the trust structure mistake that has cost some investors more than $17,000 per year in avoidable tax.

The Basic Calculation

Land tax is levied by Revenue NSW on the aggregate unimproved land value of all taxable properties you own as of midnight on 31 December each year. "Unimproved" means the value of the land itself — excluding structures, improvements, or capital works. This figure is determined annually by the NSW Valuer General.

To smooth out extreme year-on-year volatility, Revenue NSW uses a three-year rolling average of assessed land values rather than the current year's value alone.

The formula for the general rate:

Land tax liability = (3-year average land value − $1,075,000) × 1.6% + $100

The $100 is a statutory base amount. It applies whenever your aggregate land value exceeds the threshold.

Worked Example

An investor owns a residential property in Western Sydney. The Valuer General assessed unimproved land values as:

• 2024: $1,050,000
• 2025: $1,100,000
• 2026: $1,150,000

Three-year average: $1,100,000

Taxable value: $1,100,000 − $1,075,000 = $25,000

Land tax liability: ($25,000 × 1.6%) + $100 = $500

Modest in this case — but the trajectory matters. With no threshold indexation (more on this below), the taxable excess grows every year as land values rise, even if you don't buy another property.

The 2026 Threshold Freeze: What It Means

Historically, NSW indexed its land tax thresholds annually to account for rising property values. This indexation was effectively abolished from 1 January 2025. The thresholds are now permanently frozen:

• General threshold: $1,075,000
• Premium threshold: $6,571,000

The premium threshold applies a higher rate of 2.0% plus a base of $88,036 to aggregate land values above $6,571,000.

The practical consequence of the freeze is "bracket creep" without any new acquisitions. As NSW land values appreciate over time, investors whose portfolios sit near the $1,075,000 mark will eventually cross it — paying land tax they didn't pay last year, on the same property, without having done anything differently.

Economists projected the freeze would generate an additional $1.5 billion in revenue over four years, pulling thousands of "mum-and-dad" investors into the land tax net who had previously been exempt. If your portfolio is approaching $800,000–$1,000,000 in aggregate land value today, you should model your likely threshold crossover date and factor land tax into your hold-period projections.

Multi-Property Portfolios: The Aggregation Rule

Land tax is not calculated property by property. If you own two properties in NSW with unimproved land values of $600,000 and $650,000 respectively, Revenue NSW aggregates them to $1,250,000. You are then liable on the $175,000 excess.

This aggregation effect is why the jump from one investment property to two can trigger a material land tax bill even where each individual property seems well below the threshold.

Exemptions: What Doesn't Get Counted

Your principal place of residence (PPR) is exempt from land tax regardless of its value. However, from the 2026 tax year, Revenue NSW tightened the PPR exemption significantly: an owner must hold at least a 25% ownership interest in the property to claim it.

Previously, a 1% stake by an occupying owner was sufficient to shelter an entire property. That loophole is now closed. Fractional ownership schemes used to park land value within a PPR are largely ineffective from 2026 onwards.

Other exemptions include primary production land (active farming), certain charitable uses, and caravan parks. Standard residential investment properties do not qualify for any exemption other than the threshold.

The Trust Structure Trap

This is where investors most commonly make expensive mistakes.

If you hold investment property in a discretionary (non-fixed) family trust, that trust does not qualify for the land tax threshold. It is taxed from the first dollar of land value. There is no $1,075,000 exemption available to a discretionary trust.

On a property with an unimproved land value of $1,000,000 held in a discretionary trust, the annual land tax liability is:

$1,000,000 × 1.6% + $100 = $16,100

That's $16,100 per year that wouldn't be owed if the property were held in personal names (where it would sit below the threshold). Over a 10-year hold, that's $161,000 in avoidable tax — before considering threshold creep.

Rectifying the mistake by transferring property out of a discretionary trust into another structure triggers CGT and a fresh stamp duty liability. For most investors, the error is effectively irreversible at low cost. This is a decision that needs to be made correctly at the point of purchase, not retrofitted later.

Fixed unit trusts can access the land tax threshold under specific conditions, but the rules are technical and require proper legal structuring. This is not DIY territory.

Foreign Investor Surcharge Land Tax

Foreign owners face a separate and punishing surcharge: 5% of the unimproved land value per year, with no threshold.

From the 2025 land tax year (increased from 4%), this surcharge applies from the very first dollar of land value — unlike the general land tax, which starts only above $1,075,000.

A foreign investor owning a property with an unimproved land value of $500,000 pays:

• Standard land tax: $0 (below the general threshold)
• Surcharge land tax: $500,000 × 5% = $25,000

At a gross rental yield of 4%, that same property generates around $20,000 in annual rent. The land tax surcharge alone exceeds the entire rental income. NSW's foreign surcharge effectively makes standard residential investment unviable for offshore capital targeting the general market.

Using Revenue NSW's Online Calculator

Revenue NSW provides a land tax calculator through its online portal. To use it accurately you need:

• The unimproved land value for each NSW property you own (from your council rates notice or the Valuer General's portal)
• Values for the current year and the two prior years (for the three-year average)
• Your ownership structure (personal, company, discretionary trust, fixed unit trust)

The calculator does not model the premium threshold or the foreign surcharge automatically — those require separate inputs.

What This Means for Your Acquisition Strategy

The frozen threshold creates a structural argument for certain property types. Strata-titled apartments carry a proportionate share of the building's total land value — typically far lower than the full land value of a freestanding house on the same site. For investors building a multi-property portfolio in NSW, the aggregate land tax exposure from apartments is substantially lower than from freestanding houses at comparable purchase prices.

This doesn't mean apartments are always the right choice — capital growth profiles differ significantly. But land tax is now a meaningful factor in asset selection that it wasn't in a world of annually indexed thresholds.

The New South Wales Investment Property Guide includes a land tax projection worksheet and a walkthrough of ownership structure options with their threshold implications — the detail you need to get this right at the point of purchase.

See more New South Wales guides →