Bank of England raises rates to 4% and sees inflation near 5% by mid-2027

The Bank of England raised its benchmark Bank Rate by a quarter point to 4% on Thursday, its first increase since August 2023. According to the Bank's official summary and minutes, the Monetary Policy Committee (MPC) voted 8 to 1, with one member preferring a half-point rise to 4.25%.

The Bank now expects UK inflation, 3.5% in September, to climb to around 5% by the middle of next year before falling back as the energy effect fades. CNBC reported that markets had priced better than a 99% chance of a hike beforehand, and about a one-in-four chance of another in December.

The number behind the number

The headline forecast is not the whole story. The minutes put the Bank's staff projection at around 4.5% in the first quarter of 2027 and around 5% in the second, about 1.25 percentage points above the Bank's July forecast for the first quarter. They also show the energy inputs: front-month Brent crude averaged $108 a barrel and UK gas 216 pence per therm over the 15 working days to October 27, which the Bank says is 38% and 81% higher than at the time of its July report.

Direct energy effects added about 1 percentage point to the 3.5% September reading, mostly from fuels. The Committee said evidence of knock-on effects on other prices and wages is still limited, but that the risk of those second-round effects has risen. That is the reason for the hike: a supply shock the Bank cannot change, with a warning that it will not let it harden into wages and prices. The Bank also said policy is "not on a pre-set path."

The minutes add that activity has been stronger than expected, helped by exports and some artificial intelligence deployment, though growth is expected to fall back. Budget measures announced on October 28 are expected to lower CPI inflation by about a quarter of a point by the second quarter of 2027.

Who it hits

• Tracker mortgage holders. The BBC, citing UK Finance, says a quarter-point rise adds about £31 a month for a typical tracker loan. About 510,000 households are on trackers. Another 470,000 on variable deals would see about £14 a month, depending on their lender.
• Anyone refinancing. Moneyfacts put the average two-year fixed at 5.96% and the five-year at 5.99% on November 4. Broker L&C told the BBC that some borrowers face almost £5,000 more a year on a £200,000, 25-year mortgage than those who remortgaged in 2021. The Bank's minutes say benchmark two-year mortgage rates are up nearly 50 basis points since the start of September, so much of the hike was already in lenders' prices.
• UK firms with floating-rate borrowing. The minutes note business lending growth has stayed strong. Those borrowers now pay a higher base rate on top of fuel and gas bills that the Bank says many firms had not fully seen yet because of hedging and fixed-price contracts.
• US companies selling into or sourcing from Britain. The pound traded around $1.35 on our chart data, roughly 2.5% below its January 29 peak. Sterling prices matter to anyone invoicing in pounds.

Why US readers should care

CNBC noted the Bank is the last major central bank to start tightening since the US and Israel went to war with Iran eight months ago. The Bank's own account describes a global energy shock that central banks can only manage the aftermath of. For a US business owner the transmission is through oil: the same crude price feeding UK inflation sets diesel and freight costs here. We track oil and rates on our markets page.

What to watch

The Committee said it will judge each meeting on pay, pricing behaviour and slack. Watch UK wage settlements and the next inflation readings, which the Committee says it will weigh at each meeting. A durable fall in oil would make the 5% projection look too high, while a further jump would raise the odds of a second hike.

Sources: Bank of England, CNBC, BBC News; chart data via Yahoo Finance. This is market information, not investment advice.