The model

    The Kilroy Curve

    A model of ownership pressure, investor survival and the cash-flow Holding Gap.

    Buying a property is a moment. Holding it is a financial condition that changes over time. The Kilroy Curve makes that condition visible.

    Purchase
    HOLDING GAP
    Recovery towards sustainability
    CASH FLOWTIME

    Conceptual illustration only. The curve describes holding pressure, not future property prices.

    The problem

    The Holding Gap

    The period when ownership costs, finance and cash flow place the greatest pressure on the owner.

    The model

    The Kilroy Curve

    A way to see how that pressure can deepen, persist and eventually move towards recovery.

    The response

    HOLD

    Hold, Optimise, Leverage and Defend: the practical framework for decisions during ownership.

    How to read the curve

    A holding journey, not a price prediction.

    The vertical axis represents the owner’s cash-flow position. The horizontal axis represents time. The shape describes how holding pressure can change after purchase.

    01

    Acquisition

    The owner begins with a financing structure, expected rent, known costs and a set of assumptions about the future.

    02

    Pressure builds

    Interest, maintenance, insurance, land tax, vacancies and changing personal circumstances can push the holding position further below neutral.

    03

    The Holding Gap

    This is the difficult middle. The asset may have long-term potential, but the owner still needs enough cash flow, liquidity and time to keep it.

    04

    Recovery or forced exit

    Rent growth, debt reduction, tax outcomes and active decisions may improve the position. If holding capacity fails first, the owner can be forced to sell.

    What shapes the gap

    Ownership pressure has more than one cause.

    The curve is not produced by a single number. It is the combined result of the asset, its financing, the owner’s circumstances and the decisions made over time.

    Finance

    Interest rates, loan structure, refinancing access and the timing of fixed-rate expiry.

    Income

    Rent, vacancy, wage income and the reliability of the cash available to support the asset.

    Ownership costs

    Insurance, maintenance, rates, land tax, compliance and costs that rarely remain static.

    Tax and evidence

    Depreciation, deductions, ownership records and the after-tax effect of decisions.

    Liquidity and time

    Buffers, reserves and the owner’s capacity to absorb pressure without making a forced decision.

    Active management

    The choices made to improve income, control costs, use equity carefully and protect downside.

    What the curve is, and is not

    It is a model for thinking about whether an owner can survive the difficult middle between acquisition and long-term benefit.

    It brings together pressures that are often discussed separately: interest costs, rent, tax settings, depreciation, maintenance, insurance, liquidity and access to capital.

    It is not a forecast of property prices, a promise of returns or personal financial advice.

    The explainer

    Understand the model

    This page explains the intellectual model, its phases, the forces that shape it and its relationship to the HOLD framework.

    The simulator

    Test a scenario

    The simulator is an educational tool that lets you change selected assumptions and see how an illustrative holding position responds.

    Open the simulator

    Common questions

    Understanding the model

    What is the Kilroy Curve?

    The Kilroy Curve is a model of ownership pressure and investor survival. It shows the cash-flow Holding Gap that can follow a property purchase and the path towards a more sustainable holding position.

    Is the Kilroy Curve a property-price forecast?

    No. It does not predict property prices or investment returns. It focuses on the owner's capacity to carry an asset through changing cash flow, costs, finance and tax conditions.

    How does HOLD relate to the Kilroy Curve?

    The Kilroy Curve makes the ownership pressure visible. HOLD is the practical response: Hold, Optimise, Leverage and Defend.

    See how the pressure changes.

    Use the interactive simulator to test an illustrative holding scenario.