UK inflation seen at 2.9% after energy cap increase

UK headline inflation is expected to rise in July, with projections pointing to a move up to 2.9% from 2.6% in June. The increase is being closely linked to higher regulated household energy bills after the regulator implemented a 13% uplift in the energy price cap.

Officials and market participants are watching whether the summer increase proves short-lived or becomes part of a more persistent inflation pattern. The key question is how quickly the higher utility charges show up in the consumer price index (CPI) and whether energy-led pressure spreads into other areas of spending.

Energy cap change and the projected CPI impact

The Bank The 13% rise in the energy price cap is expected to add 0.44 percentage points to CPI, according to the projection cited in the source material. That single adjustment accounts for much of the projected step-up in the July headline inflation rate. While inflation remains far below levels seen during earlier periods of sharper price shocks, the renewed energy impulse still matters for household budgets. It also has implications for how quickly overall inflation returns to a steadier path, given the central role of energy costs in monthly movements. Bank of England guidance and energy-market risks The Bank of England has indicated that inflation could peak at 3.2% by the end of the year. The same communication also described a worst-case scenario in which inflation reaches 4.5% by mid-2027 if geopolitical tensions intensify further.

It cites the ongoing conflict in the Middle

The source material identifies global energy market volatility as a key upside risk. It cites the ongoing conflict in the Middle East as a contributor to uncertainty, framing external price swings as a major risk to domestic price stability even when the initial trigger is a regulated cap adjustment.

Rate expectations as the base rate stands at 3.75% Financial markets are currently pricing a 25% probability of a 25-basis-point increase at the September policy meeting, according to the source. The current base rate is 3.75%.

Beyond September, investors anticipate two quarter-point increases by the end of 2026, as outlined in the source material. Those expectations are presented as aimed at limiting the risk that inflation becomes entrenched, and they underline how closely rate pricing is tied to the question of inflation persistence.

Fiscal cushioning and the remaining uncertainty

The government has introduced measures intended to ease pressure on households, including VAT reductions on electricity. However, the source material estimates these steps would reduce headline inflation by only 0.1 percentage points.

With the projected fiscal impact small compared with the energy cap’s estimated CPI contribution, the main uncertainty shifts to how energy market volatility evolves and how regulated price changes interact with monetary policy in the months ahead. Officials and markets will be monitoring whether higher bills stay confined to energy components or influence pricing behavior more broadly.