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Callum Williams warns rate shock threatens global housing

Sep 27, 2026Summary from 1 podcast.
  • Global households spent $5 trillion in pandemic savings that previously protected them from rising interest rates.
  • Homeowners now take short-term and variable mortgages, leaving property markets exposed to sudden rate shocks.
  • Surging home construction and depleted savings leave housing markets in Germany and New Zealand highly vulnerable.

The housing market miracle of 2022 is running out.

Central banks aggressively hiked interest rates four years ago, yet real estate values stayed near historic highs across the rich world. American borrowers had locked in 3% rates on 30-year mortgages, global households held $5 trillion in excess pandemic savings, and homebuilders had spent a decade underbuilding. Those buffers allowed property markets to absorb higher borrowing costs without a full-blown crash.

Now, those financial shock absorbers have vanished.

"The housing market pulled off a miracle in 2022. It will not get a second one."

- Callum Williams, The Intelligence from The Economist

Speaking on The Intelligence from The Economist, writer Callum Williams points out that global households spent the last of their $5 trillion cash cushion in 2024. Instead of long-term fixed mortgages, home buyers in Britain, Canada, and Australia increasingly turn to variable loans or one-year fixed contracts. That shift leaves buyers directly exposed to any fresh uptick in central bank borrowing costs.

Supply constraints are also easing, removing another floor under prices. United States homebuilders constructed seven million houses over the past five years, up from six million built in the five-year period before 2022. Regional differences are growing stark: while real house prices in Portugal surged 200 percent over fifteen years, property markets in Germany and New Zealand have already taken substantial hits.

"The crash was delayed, not cancelled."

- Callum Williams, The Intelligence from The Economist

Equity markets are already pricing in the strain. Housing stocks and homebuilder equities in Australia and the United States have begun tumbling as buyers run out of cash to absorb higher rates.

The overdue reckoning is finally catching up with global property markets.

Source Intelligence

- Deep dive into what was said in the episodes

Home disadvantage: risks in housing markets • Sep 24

  • Callum Williams notes that despite interest rate hikes in 2021 and 2022, global housing markets avoided a crash. Rich-world house prices currently remain near or at their historic peaks in real terms.
  • Housing performance varies widely by region. While Portugal's real house prices surged 200 percent over the past 15 years, markets in New Zealand and Germany have experienced substantial declines.
  • Callum Williams argues that global housing is more vulnerable to interest rate hikes now than in 2021. Homeowners are increasingly shifting toward variable-rate mortgages or choosing much shorter fixed-rate terms than before.
  • The financial buffer shielding global homeowners from high interest rates has vanished. Rich-world households spent the five trillion dollars in excess pandemic savings that previously insulated them from rising borrowing costs.
  • Rising housing construction is putting downward pressure on home prices. The United States constructed seven million homes over the last five years, up from six million built in the five years preceding 2022.
Also discussed on this episode: (6)

Social Media (2)

  • Josh Spencer reports that Australia's social media ban for under-16s has failed to change teenage behavior. A study published in the British Medical Journal found that 85 percent of targeted minors still use the same platforms.
  • Canada plans to implement its own social media ban for under-16s but will condition the restriction on safety benchmarks. This approach incentivizes tech platforms to actively improve safety rather than escape accountability.

Safety (1)

  • Age-verification tools like facial scans and AI are technically inadequate to distinguish between 15-year-olds and 16-year-olds. Meanwhile, Malaysia's alternative strategy of requiring real government IDs faces severe data privacy and hacking concerns.

Media (1)

  • Andrew Miller compares the prompt release of Fauda's fifth season to the film United 93, which faced public backlash for depicting the September 11 attacks just five years after they occurred.

Israel (1)

  • Andrew Miller analyzes the fifth season of the Israeli spy drama Fauda as a portrait of national trauma. Released shortly after the October 7 attacks, the show portrays raw grief and the hardening of Israeli attitudes.

Diplomacy (1)

  • Despite its nationalistic focus, Fauda has topped Netflix charts in Arab countries like Lebanon, Jordan, and Qatar. Andrew Miller highlights how the show's popular appeal contrasts sharply with Israel's struggling official diplomacy.