UK energy bills for a typical household could be £442 higher in January than under October's new price cap, according to an EDF forecast reported by The Independent on 17 September. The supplier projects a January–March 2027 cap of £2,165, compared with Ofgem's confirmed October cap of £1,723 for a dual-fuel household paying by Direct Debit.
That £442 rise is not yet locked in. It is based on a forecast, not an official decision. Ofgem, the UK's energy regulator, will confirm the January–March price cap by 25 November.
Why January Forecasts Differ
Uswitch, an energy comparison service, said on 23 September that the average of forecasts from British Gas, EDF and E.ON Next put the January cap at about £2,117. That would be £394 above October's £1,723 cap, roughly a 23% increase.
Cornwall Insight, an energy consultancy that publishes price-cap forecasts, has a lower estimate. Its latest figure, updated on 23 September and calculated using close-of-play prices from 25 August, puts the January–March cap at £1,872.15 using Ofgem's current Typical Domestic Consumption Values. That implies a £149 increase from October.
The gap between the Cornwall and Uswitch figures is about £245. The main difference is their assumptions about future wholesale energy costs. Cornwall's forecast using Ofgem's previous consumption values is £2,107.43, showing how the consumption benchmark can also affect the headline figure.
Neither forecast is the January price cap. Ofgem's assessment period for the January–March 2027 cap runs into November, leaving wholesale prices time to change before the regulator publishes its figure.
Fix or Stick? Working Out if You'll Pay More
One way for households to limit exposure to a higher January cap is to check whether a fixed tariff costs less than staying on a standard variable deal. When Ofgem announced the October cap on 26 August, it said some fixed deals were available at more than £100 below the new £1,723 cap. That was a market snapshot, not a guarantee of current prices.
Uswitch said on 23 September that an 18‑month Fuse Energy tariff was around £1,688 for a typical household. That was £35 below the October cap and £429 below its £2,117 January forecast. The price was live market data and can change, while regional rates, actual usage, payment method and any exit fee can alter the calculation.
The key is to compare the total annual cost, rather than choosing a tariff simply because its advertised rate is lower. A fixed deal can protect a household from a later rise in the price cap, but it can also come with exit fees and may cost more if wholesale prices fall.
Households do not have to switch before 1 October. They can change tariffs after the new cap takes effect, although remaining on a standard variable tariff could mean paying the higher rates while they decide.
Cut Your Costs With a Timely Meter Reading
There is another way to avoid paying more than necessary: make sure the supplier has an accurate meter reading when the October rates begin. Uswitch said more than four million households on standard tariffs without smart meters should submit a reading on or around 1 October.
That reading does not reduce the price of energy. It helps establish how much electricity and gas was used before the new rates took effect, reducing the need for suppliers to estimate consumption across the rate change.
From 1 October, the average electricity unit rate under the cap will be 26.32 pence per kilowatt hour, with a daily standing charge of 54.83 pence for Direct Debit customers. Gas will cost 7.97 pence per kilowatt hour, with a 29.68 pence daily standing charge. Gas is the main driver of the October increase. Actual rates vary by region and payment method.
VAT on domestic electricity in Great Britain will also fall from 5% to zero from 1 October 2026 to 31 March 2027. Gas will continue to carry 5% VAT. Ofgem said the electricity tax change is worth about £45 a year to a typical household and is already reflected in the October cap.
Read Your Meter Before October Rates Begin
Uswitch said more than four million households on standard tariffs without smart meters should submit a meter reading on or around 1 October. An accurate reading helps establish how much energy was used before the new rates took effect. Without one, suppliers may have to estimate consumption across the rate change.
The October cap applies across Great Britain, covering England, Scotland and Wales. Northern Ireland has a separate energy market and is outside Ofgem's price-cap system. The £1,723 October figure is an annualised estimate based on typical consumption.
It is not a maximum annual bill. Actual costs depend on how much energy a household uses, where it lives and how it pays. Ofgem has not set the January figure yet.
