Britain’s Economy Is Growing. So Is Inflation.

Britain’s Economy Is Growing. So Is Inflation.

Mark Nichols

Thu, September 17, 2026 at 5:15 PM GMT+3 4 min read

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THE GIST

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The U.K. economy is growing better than feared, but inflation has climbed back above 3% as higher energy prices feed through to households and businesses.

The Bank of England kept rates unchanged at 3.75%, although three policymakers wanted an immediate hike to 4%, showing how quickly the debate has shifted from eventual rate cuts toward the possibility of renewed tightening.

WHAT HAPPENED

The Bank of England voted 6–3 to keep Bank Rate at 3.75%, with Megan Greene, Catherine Mann and Huw Pill preferring a 25-basis-point increase to 4%.

The split was more hawkish than earlier meetings and reflected growing concern that prolonged conflict in the Middle East is keeping oil, gas and refined-product prices elevated. Governor Andrew Bailey said holding rates remained appropriate for now, but acknowledged that policy may need to tighten if higher energy prices persist and begin feeding more broadly into wages and prices.

Inflation has already moved in the wrong direction. UK CPI rose to 3.1% in August from 2.9% in July, with transport and particularly motor fuels making the biggest upward contribution, while services inflation remained elevated.

The Bank now expects inflation to rise further over the coming quarters, potentially reaching around 3.75% in the fourth quarter and slightly above 4% in early 2027 if current energy-price assumptions hold. Roughly 0.7 percentage points of August's 1.1-point overshoot above the 2% target was already attributable directly to energy.

The awkward part is that economic activity has simultaneously been stronger than expected. GDP expanded 0.4% in July after growing 0.3% in June, while output also increased 0.4% across the three months to July and was 1.3% higher than a year earlier.

Services remain the main growth engine, rising 0.6% over the latest three-month period, although production and construction both contracted over that same window. The result is an economy showing more resilience than policymakers expected without looking strong enough to comfortably absorb a prolonged series of rate increases.

Markets initially treated the decision as slightly softer than feared. Sterling weakened after the announcement, while gilt yields fell as investors digested the decision to hold rates and adjustments to the Bank's quantitative-tightening program.

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The Bank is facing an unusually uncomfortable version of the inflation problem because much of the renewed pressure is arriving from overseas energy markets rather than from runaway domestic demand.

Higher interest rates cannot produce more oil or resolve geopolitical conflict, but the Bank can try to prevent more expensive energy from spreading into wages, restaurant prices, services and longer-term inflation expectations.

That distinction is crucial because raising rates too aggressively would hit mortgages, investment and household spending at the same time that higher fuel and utility bills are already reducing disposable income. Holding rates too low for too long creates the opposite risk, where another temporary energy shock becomes embedded in the wider economy.

The recent growth data make that judgment more complicated. A weaker economy would give policymakers more reason to tolerate a temporary inflation overshoot, but July's 0.4% expansion suggests demand is holding up better than expected and potentially gives companies more scope to pass higher costs through to customers.

The labor market still provides an important counterweight because wage growth has cooled and the Bank continues to see economic slack. Private-sector regular pay growth was around 2.9% in the three months to July, although broader indicators suggest underlying wage growth remains somewhat higher.

For investors, that means the comfortable assumption that UK rates would simply drift lower has disappeared. Markets now have to price an economy where growth is proving resilient enough to keep inflation risks alive while energy prices threaten to push headline inflation above 4%.

Borrowers face the clearest consequence because higher market-rate expectations have already flowed into mortgage and corporate borrowing costs. Two-year fixed mortgage rates were around 95 basis points higher than before the latest Middle East conflict began, even though the official Bank Rate itself has not moved.

WHAT'S NEXT

The next Bank decision arrives on November 5 and will include updated economic forecasts, making it an important test of whether September's three-person minority expands into a majority for higher rates.

Energy prices will dominate the discussion because a sustained rise would keep inflation elevated into the crucial 2027 wage-setting period, while a meaningful easing could give policymakers more time to wait.

The U.K. therefore enters autumn with an unusual combination of stronger growth and worsening inflation, which is better than recession but much less comfortable for financial markets. The Bank has chosen to hold for now, but the threshold for the next hike is clearly getting lower.