Ofgem will drop the energy price cap to £1,690 a year for a typical dual-fuel household from April 2025, a £238 reduction on the current rate. But the same regulator’s own data shows that one in five British households now ration gas and electricity, skipping meals or sitting in cold rooms to keep bills down. The cap may be falling, but the behaviour it has created is not.
As The Telegraph reports, the cap is meant to protect households from extreme price spikes, yet the number of people rationing energy has risen sharply since 2021. The new figure of £1,690 is still roughly £400 above the average bill in 2020, before the crisis began. For a 3-bed semi using 12,000 kWh of gas and 2,900 kWh of electricity, that means paying about £141 a month, down from £161, but still a stretch for millions.
Who qualifies, and who doesn’t
The price cap applies to households on standard variable tariffs, which covers about 28 million homes in England, Scotland and Wales. Those on fixed deals may already be paying less, but the cap does not apply to prepayment meter customers in the same way, they have a separate cap that will also fall, to £1,669. Yet the real divide is not between tariff types but between homes that can cut usage and those that cannot. A draughty Victorian terrace in Manchester will lose heat faster than a modern flat in Milton Keynes, regardless of the cap level.
Energy Saving Trust estimates that loft insulation alone can save a typical household £250 a year. That is more than the entire cap reduction. Cavity wall insulation saves roughly £300. The catch is that many homes in the lowest EPC bands (D to G) are occupied by the same families who are now rationing. They cannot afford the upfront cost of upgrades, even if the long-term savings are clear.
What it costs a typical 3-bed semi
Take a 3-bed semi in the Midlands with gas central heating and single-glazed windows. Under the new cap, its annual bill will be about £1,690. But if the household has already cut heating to two rooms and turned the thermostat to 16°C, they may be using only 8,000 kWh of gas, paying around £1,200. That is still £200 more than they paid in 2020 for the same reduced usage. The cap reduction helps, but it does not restore the pre-crisis baseline.
Ofgem’s own analysis shows that the typical household’s energy use has fallen by about 7% since 2021, partly due to weather but also due to deliberate rationing. That is not a sustainable efficiency gain, it is a coping mechanism. When winter temperatures drop, cold homes increase the risk of respiratory illness and damp. The Royal College of Physicians has linked cold homes to 10,000 excess deaths a year in England and Wales.
Grants and upgrades that actually work
The Great British Insulation Scheme (GBIS) offers free or subsidised loft and cavity wall insulation for low-income households and those in the lowest council tax bands. The Energy Company Obligation (ECO4) is a broader scheme that can fund whole-house upgrades, including new boilers, heating controls, and insulation. Both are funded by a levy on energy bills, the same bills the cap is meant to limit. Yet take-up remains patchy. Only about 300,000 homes have received GBIS measures since its launch in 2023, against a target of 2.5 million.
For solar panels and heat pumps, the Boiler Upgrade Scheme in England offers £7,500 off an air-source heat pump installation. A typical heat pump costs £12,000 to £15,000 installed, so the grant brings it closer to the cost of a new gas boiler (£3,000 to £4,000). The running cost of a heat pump at the new cap is roughly £1,100 a year for a well-insulated 3-bed semi, about £400 less than a gas boiler at the same cap rate.
Households on standard variable tariffs can apply for GBIS through their energy supplier from April 2025. ECO4 applications are open now via local authorities or certified installers. The Boiler Upgrade Scheme runs until 2028, with no cap on the number of applicants. The window to act is open, but it will not stay open forever.
Frequently Asked Questions
No, not by itself. The cap reduction of £238 a year is welcome, but it still leaves bills about £400 above pre-2021 levels. Many households have already cut usage to the bone and cannot reduce further without compromising health. The real solution is to improve home efficiency through insulation, draught-proofing, and better heating controls, which can save £200–£300 a year permanently.
The Great British Insulation Scheme offers free or subsidised loft and cavity wall insulation for eligible households. ECO4 covers whole-house upgrades including insulation, heating, and controls. The Boiler Upgrade Scheme provides £7,500 off air-source heat pumps. All are funded through energy bill levies, so eligible households effectively get upgrades paid for by the same system that sets the price cap.
