Interest rates held at 3.75% as Bank of England warns Iran war ‘shock’ will push up inflation

The Bank of England’s decision to hold interest rates at 3.75% marks a pivotal moment for the UK economy in 2026. What was once expected to be the beginning of a rate-cutting cycle has been abruptly derailed by a geopolitical crisis thousands of miles away.

As conflict in the Middle East intensifies—particularly involving Iran—global energy markets have been shaken, sending oil and gas prices soaring. The result? A renewed inflation threat that has forced policymakers into a cautious “wait-and-see” stance.

This article breaks down everything you need to know: why rates were held, how the Iran war is influencing inflation, what it means for mortgages and savings, and what could happen next.

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📊 Bank of England Holds Rates at 3.75%: What Happened?

The Bank of England’s Monetary Policy Committee (MPC) voted unanimously (9–0) to keep the base interest rate unchanged at 3.75%, surprising some analysts who had anticipated a split decision.

• The move reflects growing concern about inflation risks linked to the Iran war

• Policymakers signaled that future rate hikes are now possible

• Expectations for rate cuts have been pushed back or cancelled

Before the conflict escalated, the outlook was very different. Inflation had been easing, and many economists expected rates to fall in early 2026.

However, the war has changed everything.

According to central bank officials, the conflict represents a “shock to the economy” that could reverse recent progress on inflation.

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⚠️ Iran War Triggers Global Energy Shock

The biggest driver behind the Bank’s decision is the surge in global energy prices.

Key developments:

• Brent crude oil has surged to $114–$120 per barrel

• European gas prices have jumped by 17–25%

• Attacks on major energy facilities and supply routes have disrupted markets

Energy is a major component of inflation. When oil and gas prices rise:

• Fuel becomes more expensive

• Household energy bills increase

• Businesses pass higher costs onto consumers

This creates a chain reaction across the economy, pushing inflation higher.

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📈 Inflation Now Expected to Rise Again

The Bank of England has warned that inflation—previously expected to fall—will now rise above target levels again.

Updated projections:

• Inflation could hit 3.5% in the near term

• It may remain above the 2% target throughout 2026

• In worst-case scenarios, it could even approach 4–5%

This represents a major shift from earlier forecasts, which predicted inflation would drop close to 2%.

Why inflation is rising again:

1. Energy costs (oil, gas, electricity)

2. Transport and logistics expenses

3. Food prices linked to energy inputs

4. Potential wage pressures (“second-round effects”)

The Bank specifically warned that sustained high energy prices could lead to long-term inflation persistence, not just a temporary spike.

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🏦 Why the Bank Didn’t Cut Rates

At first glance, holding rates might seem surprising—especially with economic growth slowing.

But the Bank is facing a difficult balancing act:

🔄 The Dilemma:

The MPC chose the third option: pause and assess.

Governor Andrew Bailey emphasized that the Bank’s priority remains clear:

Bringing inflation back to the 2% target, regardless of external shocks.

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💷 Impact on UK Households

The decision to hold interest rates at 3.75% has real consequences for millions of people across the UK.

🏠 Mortgages

• Mortgage rates are unlikely to fall soon

• Some lenders have already raised fixed-rate deals

• Monthly repayments remain high for homeowners

Even without a rate increase, borrowing costs are staying elevated due to market expectations.

🛒 Cost of Living

• Higher energy bills expected

• Fuel prices rising

• Food costs likely to increase

This adds pressure to households already dealing with years of elevated inflation.

💰 Savings

• Savers continue to benefit from higher interest returns

• However, inflation may erode real gains

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📉 Economic Growth at Risk

The UK economy is already showing signs of weakness:

• Wage growth has slowed to its lowest level in five years

• Unemployment has risen to around 5.2%

• Consumer confidence is fragile

Now, the Iran war adds another layer of uncertainty.

Economists warn that prolonged conflict could:

• Reduce consumer spending

• Delay business investment

• Weaken housing demand

In short, the UK faces the risk of “stagflation-lite” — slow growth combined with rising prices.

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🔮 Will Interest Rates Rise Next?

One of the biggest questions is whether the Bank of England will raise rates later this year.

Current market expectations:

• Possible rate increase to 4% by mid-2026

• Potential second hike later in the year

This marks a dramatic shift from earlier expectations of multiple rate cuts.

What will determine the next move?

The Bank will closely monitor:

1. Energy prices

2. Inflation data

3. Wage growth

4. Global geopolitical developments

If inflation remains high, rate hikes are back on the table.

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🌍 Global Context: Not Just a UK Problem

The UK is not alone in facing this challenge.

• The US Federal Reserve has also paused rate changes

• The European Central Bank is holding steady

• Global markets are reacting to the same energy shock

This highlights a broader trend: geopolitics is once again driving economic policy.

The Iran conflict has become a key factor shaping:

• Inflation

• Interest rates

• Global financial markets

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🧠 Expert Analysis: A Sudden Policy Shift

Just weeks ago, the narrative was entirely different.

Before the war:

• Inflation falling

• Rate cuts expected

• Economic outlook stabilising

After the war:

• Inflation rising again

• Rate hikes possible

• Uncertainty dominating forecasts

One analyst described it as:

“A dramatic shift… hikes are back on the table.”

This rapid change underscores how vulnerable the global economy remains to external shocks.

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📊 Key Takeaways

• ✅ Interest rates held at 3.75%

• ⚠️ Iran war causing energy price surge

• 📈 Inflation expected to rise to 3.5% or higher

• 🏠 Mortgage relief delayed

• 🔮 Rate hikes now possible in 2026

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🏁 Conclusion: A Fragile Economic Moment

The Bank of England’s decision to hold interest rates at 3.75% is more than just a routine policy move—it’s a signal that the UK economy is entering a new phase of uncertainty.

The Iran war has delivered a fresh inflation shock, forcing policymakers to rethink their strategy and delaying hopes of financial relief for households.

For now, the Bank is choosing caution. But if inflation continues to climb, tougher decisions may lie ahead.

Whether rates rise, fall, or stay the same will depend largely on events beyond the UK’s control—particularly in global energy markets and geopolitics.

One thing is clear: 2026 will not be the year of easy economic recovery many had hoped for.