Commercial property is widely described as an inflation hedge, and the description is broadly accurate but not uniformly so. The relationship between inflation and property returns depends on lease structure, replacement cost dynamics, and the specific path of nominal versus real rates over the holding period. A long-dated lease with fixed 3% reviews looks like an inflation hedge until inflation runs at 6%; then it isn't.

This guide covers how commercial property actually performs through inflation, the lease structures that provide genuine inflation protection, the replacement cost mechanism that underpins long-term real value, and the buyer-side framework for building a portfolio that holds in different inflation regimes.

Property is an inflation hedge to the extent that rents track inflation and replacement cost prices the existing stock above its build cost. Both mechanisms have limits; understanding the limits is the buyer-side discipline.

Why Property Is Often Called an Inflation Hedge

Three mechanisms underpin the inflation-hedging argument:

Each of these mechanisms has conditions and limits. In some inflation environments they work; in others they do not.

1 Lease Structure: The First Inflation Lens

CPI plus minimum

The rent increases each year by the greater of CPI or a stated minimum (typically 2% or 3%). Provides downside protection in deflation and full participation in inflation. The strongest inflation-hedging lease structure available in Australian commercial property.

CPI

Rent increases by CPI each year. Full inflation participation; no protection in deflation but inflation has been the dominant scenario since 1990.

Fixed annual increases

Rent increases by a stated fixed percentage (3.0%, 3.5%, 4.0%). Predictable but only matches inflation if the fixed rate is higher than realised inflation. In a 6% inflation environment, a 3.5% fixed review goes backwards in real terms.

Market review

Periodic resets to market (typically at option exercise, or at the midpoint of long leases). Best inflation protection in theory, since rents reset to current market levels. Worst protection in practice if the market itself has been suppressed by overshoot supply or weak demand.

Turnover rent

Rent is the higher of a base amount and a percentage of tenant turnover. Tenant turnover tends to track CPI in inflation-linked categories (groceries, fuel, building materials), providing inflation pass-through. Limited use outside specific asset classes.

2 The Replacement Cost Floor

Land prices, construction labour, and building materials all participate in inflation. As replacement cost rises, the cost of producing new supply rises, and existing stock's value is supported because the alternative (build a new building) costs more.

This mechanism is most powerful in two contexts:

The mechanism is weaker where supply is unconstrained (peripheral industrial or commercial markets with abundant zoned land) and weakest where existing supply already exceeds demand (some suburban office markets post-2020).

3 The Debt Erosion Mechanism

A fixed-rate commercial loan becomes cheaper in real terms as inflation runs. For a leveraged investor, the equity stake grows in real terms even if the underlying asset is flat in real terms.

The math

A $5 million property bought with $3.25 million debt (65% LVR) and $1.75 million equity. Over 5 years, inflation runs at 4% annually and the asset's nominal value tracks at 4%. The asset is worth $6.08 million in nominal terms, still $5 million in real terms. The debt remains at $3.25 million in nominal terms but is worth $2.67 million in real terms. The equity has grown from $1.75 million to $3.41 million in real terms, a 12% annualised real return on a flat-real-asset.

The constraint

This mechanism works while the loan is fixed. At refinance, the rate resets to current rates. If inflation has driven the cash rate up, the refinance loan carries the higher rate. The benefit accrues over the fixed-rate period and recapitulates at refinance.

4 Where Property Inflation Hedging Fails

Long-fixed-review leases during high inflation

The 2022-2023 inflation episode in Australia exposed assets with long-dated 3% to 3.5% fixed reviews to substantial real income decline. A 7% CPI year with a 3.5% review meant the rent fell 3.5% in real terms; a 5-year stretch of similar dynamics is a material real income loss.

Capex-intensive assets in cost inflation

Buildings with substantial capex commitments (roof, HVAC, facade) face rising construction cost in the same inflation that lifts rents. Net of capex, the inflation pass-through is weaker than the gross rent series suggests.

Cap rate widening offsetting income growth

If inflation triggers cap rate widening (as it has in most post-1990 cycles), nominal value can decline even as rents rise. The buyer's total return depends on the relative magnitude.

5 Asset Class Differences

Industrial

Strong inflation hedge in recent cycles. Modern leases with CPI plus minimum or hard floor reviews; replacement cost rising sharply; supply somewhat constrained by zoning in metro areas. The structural growth story has helped.

Retail (long-WALE national-covenant)

Moderate inflation hedge. Leases often have fixed reviews; replacement cost rising less sharply than industrial; supply less constrained.

Office

Weaker inflation hedge in the current cycle. Lease incentives have eroded effective rents; capex intensity is high; supply varies by submarket but is unconstrained in some.

Specialist (childcare, medical, service stations)

Variable. Lease structure dominates; well-structured long-WALE specialist with CPI plus minimum reviews can hedge inflation effectively. Fixed-review structures less so.

6 Buyer-Side Framework

Prefer CPI plus minimum reviews

The strongest inflation-hedging review structure. Worth a small yield premium over fixed-review equivalents for long-hold buyers.

Underwrite real returns, not nominal

Project the asset's nominal cash flow at a range of inflation assumptions. Deflate to real terms. The asset's real return profile is what matters for long-term wealth preservation.

Watch the capex profile

An asset with material capex commitments over the hold period has weaker inflation pass-through than the headline lease suggests. Modelling capex in real terms (with inflation-adjusted construction cost) is the discipline.

Fixed-rate debt as long as possible

In an inflation environment, fixed-rate debt is more valuable than floating. The trade-off is the loss of flexibility; the gain is the inflation-eroded real debt cost over the fixed period.

Watch the cap rate sensitivity

An asset's value is heavily sensitive to cap rate. A 100 basis point widening on a 5% cap rate asset is a 20% value decline. The exit cap rate assumption should be conservative; the inflation-hedge income story does not compensate for a 200 basis point cap rate move.

Frequently Asked Questions

Is residential property a better inflation hedge than commercial?

Residential rents adjust more frequently (annual or biannual market resets) but have weaker lease structures (typically short-term, market-set rents without indexation guarantees). Commercial leases with CPI plus minimum provide stronger contractual inflation pass-through; the relative performance depends on the cycle.

Does the EV transition affect commercial property inflation hedging?

Mainly via service station property and related fuel-cycle assets. Industrial, office, retail, and specialist are unaffected by the EV transition mechanism directly.

How long does it take for cap rates to reflect inflation changes?

Typically 6 to 18 months. The lag creates opportunities for buyers acting at the leading edge of repricing and risks for sellers exiting late.

Should I prioritise income or capital growth in an inflation environment?

Both serve different purposes. Income-led briefs benefit from indexed rent. Capital-growth briefs benefit from replacement cost. Most well-constructed commercial portfolios balance both; the inflation environment doesn't force a one-or-the-other choice.