June-quarter CPI drops 29 July — your mortgage playbook before the August RBA (Australia 2026)

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Friday 3 July 2026 — the 1 July financial-year changes are in. Tax returns are opening. Winter auctions are running. And in 26 days, the ABS publishes June-quarter CPI — the last major inflation read before the RBA Board meets 10–11 August.

The cash rate is 4.35% after June's unanimous hold (MR 2026-15). That is not the same as "hikes are finished." The Board said inflation is still too high and that it will do what is necessary — including further cash rate increases if required.

This is your five-week mortgage playbook for the gap between now and the August decision. General information only — not personal credit advice.

Background: another hike still on the table · June decision-week playbook.

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TL;DR — the two dates that matter

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Where inflation sits going into CPI week

The latest May 2026 CPI (released 24 June) showed:

Plain English: Headline inflation eased slightly, but underlying (trimmed mean) ticked up — still above the RBA's 2–3% target band. Housing costs remain hot. That is why the June Board did not declare victory.

June-quarter CPI (reference period April–June) adds the official quarterly trimmed mean and weighted median — the series the RBA watches closely at decision time. One soft month does not automatically mean a soft quarter.

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Big-bank forecasts — split views into August

Economists disagree — and that uncertainty flows into fixed rates, broker retention desks, and your household budget.

Round-up: Canstar interest rate forecast 2026.

Mortgage takeaway: Do not bet your file on one bank's call. Stress-test +0.25% anyway — if Westpac's path materialises, a $800,000 loan adds roughly $130/month per 25bp step (illustrative; your lender margin differs).

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What still moves on your loan before 11 August

1. "RBA held" ≠ "your rate is done"

Variable pricing adjusts when your lender reprices — often after the Board, sometimes on CPI day for fixed books. If you have not reconciled May's hike pass-through, do it this week.

2. Fixed-rate expiries in July–August

Borrowers rolling off 2023–24 fixes are hitting much higher revert rates. The CPI/RBA calendar is background noise — your expiry date is the deadline. Model in the refinance playground.

3. Retention vs acquisition pricing

Lenders often compete harder on new money than loyal customers. The 48bp loyalty gap is still the practical story — not the Board's adjectives.

4. Serviceability buffer on new loans

APRA's buffer still applies on top of your assessed rate. A future hike can blow up borderline pre-approvals if you lodge too close to CPI week without headroom.

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Five-week checklist (3 July → 11 August)

Week 1 — now (early July)

• Confirm actual rate + repayment in internet banking.
• Stress +0.25% on your budget (extra ~$3–$5 per $100k loan per month, rule of thumb).
• Retention call or email — templates: home loan retention discount.
• Refinance maths term-for-term — term reset trap · calculator.

Week 2–3 — mid July

• First home buyers: refresh funds to complete after 1 July scheme changes.
• Investors: rent shading on the whole portfolio before you exchange — investor hub.
• Self-employed: align BAS / tax return timing with planned lodgement — self-employed loans.
• Clean 90-day bank statements — EOFY transfers and tax refunds still show up.

Week 4 — CPI week (27–29 July)

• No panic trades on the headline number alone — read trimmed mean and quarterly run rates.
• Fixed-rate shoppers: lenders may reprice before 11 August — compare comparison rate and break costs, not just the headline fix.
• Buyers under finance: speak to your broker if CPI surprises — rate lock and clause timing varies by lender.

Week 5 — RBA week (4–11 August)

• Decision at 2:30pm AEST 11 August — your repayment may not change that afternoon.
• If hiking: watch for notice of repayment change within days to weeks.
• If holding: revisit retention gap — pauses sometimes bring sharper acquisition offers.

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Buyers vs existing borrowers — different risks

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What we are not doing

• Predicting the August vote — forecasts are context, not certainty.
• Telling you to fix or float — product choice depends on your break costs, horizon, and file.
• Replacing the 1 July FY guide — wage, tax, and scheme changes are already live; this piece is the inflation/RBA countdown.

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Primary source links (verified July 2026)

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Bottom line

July 2026 is the calm before the data: June-quarter CPI on 29 July, then the RBA on 11 August, with trimmed mean inflation sticky at 3.6% and economists split on whether 4.35% is the peak.

Use the next five weeks to control what you can — your rate, your term, your file, and a +0.25% stress test — not the Twitter verdict at 11:31am on CPI day.

Want your numbers checked before CPI week? Send an enquiry · Mortgage readiness quiz · Call 0400 77 77 55

General information only. Azure Home Loans Pty Ltd (Credit Representative 550800, ACL 389328). Not personal financial or credit advice. Confirm release times on official sites before acting.