What is the case for higher interest rates as seen by the Bank of England
For: The case for higher Bank of England interest rates has become considerably stronger than it was earlier this year, although it is not yet the majority view of the MPC.
The key point is that the Bank is no longer primarily worried about today’s inflation. It is worried about where inflation will settle over the next 1–2 years.
The argument for higher rates
1. Inflation is moving away from the 2% target
UK CPI inflation rose to 2.9% in July, from 2.6% in June, while the Bank expects inflation to rise further later this year because of higher energy prices.
That creates the danger that inflation becomes stuck around 3% rather than returning to 2%.
2. The energy shock could become a second-round inflation problem
The Bank cannot stop oil and gas prices rising. But it can prevent the initial shock from becoming embedded.
The concern is:
higher energy → higher household costs → workers demand higher wages → businesses raise prices → workers demand further wage increases.
The July MPC explicitly said the longer high energy prices persist, the greater the risk of these “second-round effects” in wages and prices.
This is probably the single most important argument for raising rates.
3. Huw Pill’s argument is particularly hawkish
Bank Chief Economist Huw Pill argued in August that stronger-than-expected UK growth strengthens the case for higher borrowing costs.
His July MPC argument was essentially:
inflation risks are tilted upwards;
energy prices could remain high for an extended period;
wage and price-setting behaviour could become more persistent;
waiting for inflation to become entrenched could require much more aggressive tightening later.
He therefore voted for 4% rather than 3.75%.
4. The Bank doesn’t want inflation expectations to become unanchored
This is subtle but important.
If households and businesses begin to believe that 3–4% inflation is normal, they behave accordingly:
workers negotiate larger pay increases;
companies increase prices pre-emptively;
consumers bring purchases forward;
businesses accept higher costs more readily.
The Bank then has to use substantially higher interest rates to break that psychology.
So the argument for raising rates now is partly that a relatively small increase to 4% might prevent the need for something much more severe later.
5. The economy may actually be strong enough to tolerate another increase
This is where the recent data have changed the debate.
The economy has performed somewhat better than expected, leading Pill to argue that the UK has more underlying demand than the Bank previously assumed.
If demand is stronger, maintaining 3.75% may not be sufficiently restrictive to bring inflation back to 2%.
Against; But there is an equally strong argument against raising rates
This is why the July vote was 6–3 to hold at 3.75%, rather than raise to 4%.
The opposing argument is:
the labour market is weakening;
vacancies have fallen sharply;
private-sector wage growth has slowed;
services inflation is declining;
households and businesses are already facing restrictive borrowing costs;
much of the current inflation increase comes from an external energy shock that interest rates cannot solve.
Recent data show total wage growth slowing to about 4.1%, with private-sector wage growth down to around 2.8%.
That makes raising rates potentially pro-cyclical: the Bank could suppress an economy that is already losing momentum simply because energy prices have temporarily pushed inflation higher.
The dilemma facing the Bank
Demand (MD / AD)
Supply (MS / SRAS)
Long-run supply (LRAS)
Money market
More money lowers the interest rate to 3.9, raises investment, and shifts AD right
Policy type
Expansionary
Contractionary
Expansionary
Contractionary
Policy strength
Policy strength
Give feedback
It effectively faces this choice:
If the Bank raises rates If the Bank holds rates
Helps prevent 3% inflation becoming entrenched Supports a weakening economy
Strengthens inflation-fighting credibility Avoids unnecessarily increasing unemployment
Dampens demand and wage pressures Allows existing disinflation to continue
Supports sterling Avoids worsening mortgage/business costs
Risk: recession/greater unemployment Risk: inflation becomes persistent
My assessment
I think the hawkish argument is now credible, but not overwhelming.
The crucial distinction is whether the current 2.9% inflation is a temporary energy shock or the beginning of a second-round inflation cycle.
At present, the evidence for the latter is not especially strong. The July MPC itself acknowledged that there was little evidence so far of second-round effects, while wage growth and the labour market were weakening.
Consequently, the market currently expects the Bank to be cautious: a Reuters poll in mid-August found nearly 90% of economists expecting Bank Rate to remain at 3.75% through the end of 2026, despite inflation being expected to exceed 3%.
So I would characterise the situation as:
3.75% = restrictive but probably sufficient if wage/services inflation continues falling.
4.00% = insurance against inflation becoming embedded.
4.50%+ = only likely if the Bank sees convincing evidence of a wage/price spiral.
And that last point is important for your earlier questions about gilts: a move towards 4% would probably push short- and medium-dated gilt yields higher initially, whereas evidence that inflation is genuinely falling back toward 2% would be much more favourable for gilt prices.