National HVI fell 0.7% in July, the sharpest monthly drop since December 2022. Sydney -1.4%, Melbourne -1.2%, annual growth halved to 5.3%

This article is general information only and does not constitute financial or tax advice. Consult a qualified tax professional for advice specific to your situation.

This article is general information only. It does not consider your personal circumstances and is not financial or credit advice. Speak to a licensed mortgage broker, credit adviser or tax agent before acting on any of the figures below.

What Cotality actually released on 1 August

Cotality published the July 2026 Home Value Index on 1 August 2026 and the Reuters wire ran the summary the same morning. The national aggregate fell 0.7% for the month, the sharpest single-month decline recorded since December 2022 on Cotality's daily index. That is a third consecutive month of falls at the national level.

Inside the number:

• Sydney -1.4% and Melbourne -1.2% for the month, the two largest single-city declines.
• Every capital except Perth posted a monthly loss.
• 5-city aggregate -0.9% for the month.
• Combined regional -0.2% for the month, the first regional monthly decline since January 2023.
• Regional NSW -0.4%, leading the regional index down.
• Annual growth 5.3% on the national number, down from double-digits at the start of the year.

The quarter is where the story gets sharper. On Cotality's daily index reported by MacroBusiness, the 5-city aggregate is down 2.0% over the July quarter. Sydney is down 3.7%. Melbourne is down 3.0%. Brisbane has slipped into negative territory at -0.1%. This is no longer a Sydney-only or a two-city story. Every major capital except Perth is now either losing ground or flat.

Two things about the July print matter more than the size of the fall. The first is the breadth. The second is the peak-to-trough position.

Sydney and Melbourne are now more than 5% below peak

The Reuters wire on 1 August confirmed that both Sydney and Melbourne now sit more than 5% below their 2026 peaks on the HVI. Sydney's 2026 peak was in the March quarter. Melbourne's was in the March quarter. Both have now given back a full quarter of gains and then some in the four months since.

That is a materially different market from the one an investor was operating in at settlement in February or March. A property valued at $1.4 million at the March peak is now valued at approximately $1.33 million on the HVI adjustment, before any property-specific discount for local factors. The loan does not move. The equity does. A landlord who bought at the peak with an 80% LVR is now sitting at closer to an 84% LVR on the HVI-adjusted valuation, without changing a single behaviour.

That does three things to the practical landlord toolkit.

Refinance math changes. Sub-80% LVR is the LMI-free line at most Big 4 investor lenders. Above 80%, a refinance either carries LMI on the way in or requires a top-up of cash to bring the LVR back into the sub-80% window. On a $1.4 million Sydney property with a 5% peak-to-trough drop, a landlord holding at 80% LVR at settlement now needs approximately $27,000 of cash to bring the LVR back below 80% on a like-for-like refinance. That is a real cost that did not exist in March.

LMI top-up conversations restart. Most Big 4 investor policies have LMI escalation thresholds at 85%, 90% and 95%. The 5% national fall on the HVI is not enough by itself to move an 80% LVR into an escalation band, but it removes the buffer that a landlord had against any future value fall. On a fresh valuation for a top-up, or for a bridging facility, or for a portfolio LVR check, the sub-80% assumption is gone.

Contract-price valuations look increasingly wide. A property under contract in July at a March comparable price is now facing a real risk of valuation shortfall at settlement. Lenders do not lend against contract price, they lend against valuation. The gap between the two on Sydney and Melbourne stock has widened materially over the last three months.

None of this is a solvency issue for a landlord with an established loan on a property held for years. It is a live issue for a landlord who bought at the 2026 peak, or is under contract for settlement in the September or October window, or is running an active refinance application against a March-quarter valuation.

Why the mid-sized capitals stopped propping up the number

The story through the first half of 2026 was that Sydney and Melbourne were sliding and the mid-sized capitals plus regional were holding the national index in positive territory. That story ended in July.

Perth's monthly growth pace has collapsed. As recently as November 2025 Perth was recording monthly gains above 3%, on the tail of the mining-linked run-up and the Perth-Fremantle vacancy squeeze. On the most recent Cotality daily index reading the Perth monthly gain is under 1%, and the deceleration is running in one direction. Brisbane and Adelaide are at approximately zero on the month and slightly negative on the quarter. The regional index has now printed its first monthly loss in more than two years.

That leaves the national HVI moving with the Big Two rather than against them. When Sydney and Melbourne were falling and everything else was rising, the national number could still print positive on a good month. When the whole set is either flat or falling, the arithmetic runs one way. The July -0.7% national print is what that looks like in a single month.

Cotality's own commentary attributes the July acceleration to a dense cluster of simultaneous headwinds: 75 basis points of cash-rate tightening still compressing borrowing capacity, sales volumes running 16% below year-ago figures on the reported data, and the 12 May 2026 negative gearing and CGT reform announcement triggering the structural pullback in new investor demand that the API Q3 2026 valuer survey captured on 28 July.

Auction share is the coincident indicator that has moved the fastest. National auction share fell from about 45% of dwelling transactions in November 2025 to roughly 30% by June 2026, on the MacroBusiness read of Cotality's data. Vendors have quietly shifted to private treaty rather than face soft clearance rates and price-guide adjustments in a public auction environment. That flows through to the HVI with a lag, because Cotality's index picks up eventual settlement prices whether transacted at auction or by private treaty, but the auction share collapse is the leading signal that vendor confidence has broken.

The grandfathering wedge is now shaping the market

The 2026-27 Federal Budget on 12 May 2026 grandfathered negative gearing on established residential property purchased at or before 7:30pm on that day. Anything on established stock purchased after that timestamp loses access to negative gearing against non-rental income from 1 July 2027. The CGT reform replaced the 50% CGT discount with cost-base indexation and a 30% minimum tax rate on capital gains for individuals, trusts and partnerships, on gains crystallised on or after 1 July 2027. New builds remain exempt from both changes.

That timing is now the single most important line in the practical landlord playbook.

Grandfathered stock is finite and known. Every property purchased at or before 7:30pm on 12 May 2026 carries a permanent tax attribute that no post-12-May purchase can replicate. On the current HVI trajectory, that grandfathered pool is being marked down alongside the rest of the market. A landlord with a grandfathered Sydney investor property that has lost 5% of its value on the HVI has lost equity but retained the tax attribute. The tax attribute is worth more, per dollar of exposure, than it was on 12 May 2026, because the reform trajectory has been confirmed rather than shelved.

Post-12 May established stock is being bought against a different P&L. Every Sydney or Melbourne buyer picking up a discounted established property in the July-August window is buying a property that will be taxed materially harder from 1 July 2027 than the neighbour next door on grandfathered terms. Rational new investor demand for post-12 May established stock has adjusted downward accordingly, and the July HVI is what that adjustment looks like on the price line.

New-build stock has bifurcated from established. The reform explicitly exempts eligible new builds. That has already begun to widen the price differential between new and established stock at the investor end of the market. The Q1 2026 ABS residential building work data captured the pre-reform pipeline. The July HVI is the first monthly print where the post-reform bifurcation is showing up cleanly in the price index.

None of the three effects are transient. All three compound with each month the reform trajectory holds.

What the July HVI does to landlord cash flow

The mortgage line does not change with the HVI print. Cash-flow modelling for the second half of 2026 still runs against the two live 11 August RBA scenarios: hold at 4.35% or a 25bp cut to 4.10%. On a $600k P&I investor loan at 6.55% variable, hold means repayment stays at about $3,812 a month. A 25bp cut fully passed through takes the same loan to $3,712 a month.

The equity line does change with the HVI print, and that flows into three specific H2 2026 decisions.

Refinance timing. A landlord planning to refinance an investor loan in the second half of 2026 needs the refinance valuation to land above the LVR threshold at the target lender. On the July HVI, that is materially harder in Sydney and Melbourne than it was in March. The right sequencing is now to lock in a refinance offer against a current valuation before the next monthly HVI print, not after it. Every month of further HVI weakness makes the LVR arithmetic harder on any deal that has not yet reached formal approval.

Portfolio LVR check. A landlord holding multiple properties should update the portfolio LVR against post-July values, not against March values, before making any decision about drawing an equity release or a new investment loan. On a two-property Sydney portfolio with an aggregate loan at 75% LVR against March values, the same portfolio is now closer to 79% LVR on July values. That is still inside a healthy investor covenant but it removes the buffer that a landlord could have relied on to fund a new deposit.

Buy-side discipline. For a landlord with cash to deploy in the second half of 2026, the July HVI weakness in Sydney and Melbourne is the buy-side signal that the market is pricing in the CGT and negative gearing reform trajectory. The two questions are which stock and when. Grandfathered stock is off the table for a new purchase by construction. New-build stock retains negative gearing and the full CGT treatment past 1 July 2027 and is likely to reprice upward against established. Post-12 May established stock at a discount is a value play only if the buyer is comfortable with a materially different tax profile from 1 July 2027 onward.

The choice is not whether the tax reform matters. It matters. The choice is whether the discount on offer today compensates the buyer for the future tax cost, and that math has to be run per deal.

The August playbook

The next data point that will move the picture is the 11 August RBA decision. That will confirm either the hold path at 4.35% or a 25bp easing to 4.10% and it will set the direction for the second half of 2026 on the mortgage line. The next Cotality HVI will land on the first business day of September and will show whether the July pattern is the start of a durable third-consecutive-quarter downturn or a one-month acceleration inside a slower drift.

Between now and 11 August, four moves are worth making.

Update every property valuation in the portfolio to post-July values. Any decision about refinance, LMI top-up, equity release or a new deposit needs to run against current values, not March values. That is a 20-minute exercise per property against a comparable-sales lookup on realestate.com.au or Domain, cross-checked against the state Valuer-General's automated value or the lender's own automated valuation model.

Reprice the offset strategy against the LVR position, not just the interest saving. Cash sitting in an offset earns the mortgage rate as a risk-free tax-effective return. It also lifts effective LVR at any future refinance point. On a portfolio that has slipped into the 80% to 84% LVR band on post-July values, offset balance is doing double work: interest saving today and equity buffer against the next month's HVI print.

Model the grandfathering flag on every existing property. Every property purchased at or before 7:30pm on 12 May 2026 is now a grandfathered asset for negative gearing purposes. That flag needs to sit on the property record and it needs to sit on the ledger. Every mortgage decision from here rides on whether a property retains or loses the grandfathered tax attribute on a corporate restructure, a spousal transfer, a trust unwind or a sale-and-repurchase. The 12 May 2026 date is now a permanent line in the ledger.

Delay any post-12 May purchase decision until the CGT and negative gearing final legislation lands. The 2026-27 Budget announcement set the trajectory but the enabling legislation has not yet been passed. On the ATO's tax reform page the settings are described as reform to take effect 1 July 2027. Buyers of post-12 May established stock are pricing against a policy that is not yet law. That is a real risk in either direction.

The bottom line for the H2 2026 landlord

The July HVI is not a crash and it is not the start of one. It is a confirmation that the downturn that began in the March quarter has broadened to a national level and is now compounding at roughly 0.7% a month on the aggregate index. That is a rate of decline that adds up over a quarter but does not force any well-capitalised landlord into distressed decisions.

The two things that have genuinely changed in the last month are the breadth of the fall (regional is no longer a hedge) and the confirmation that the negative gearing and CGT reform trajectory has started to reprice the investor end of the market. Both effects are structural rather than cyclical. Both compound if the reform legislation passes in the shape announced in the Budget.

For a Propkt user, the practical takeaway is to run every property in the portfolio against post-July HVI values, flag the 12 May 2026 grandfathering status on every property record, and set the mortgage calculator against the two live 11 August scenarios rather than the pre-CPI hike scenarios. Recurring rent, council rates, insurance and body corporate fees keep tracking in the expense dashboard against forecasted rental income, so the next Cotality print on the first business day of September updates against a live P&L rather than a March-anchored one.

The 11 August RBA decision resolves the mortgage line for the second half of 2026. It does not resolve the tax reset on 1 July 2027 and it does not resolve the equity trajectory that Cotality's July print has now confirmed. Those are the two lines that a landlord actually needs to plan around from here.