Energy Bills Fall But Homeowners Still Need Long-Term Fixes

The price cap on energy bills is forecast to drop by roughly £150 a year from July, the first real fall since the crisis began. That is a concrete number, and for millions of households on standard variable tariffs, it means about £12 a month less on the direct debit. Andy Burnham, the Greater Manchester mayor, has seized on the news to promise voters ‘breathing room’ in a cost-of-living election pitch.

But a single quarter’s fall in the cap is not a solution to Britain’s deep energy inefficiency problem. As reported by HuffPost UK, Burnham’s pledge taps voter fatigue with high bills. Yet the underlying cause, the UK’s reliance on volatile gas markets, remains untouched by any mayoral promise.

What the price cap fall means for your bill

Ofgem will confirm the new cap level in late May, with analysts at Cornwall Insight predicting a drop to around £1,635 a year for a typical dual-fuel household paying by direct debit. That is down from the current £1,928, but still nearly double the pre-pandemic average of £1,042. The fall reflects lower wholesale gas prices, not structural reform.

For a typical 3-bed semi using 12,000 kWh of gas and 2,900 kWh of electricity a year, the saving works out at roughly £24 per month. Welcome, but not transformative. Households on prepayment meters or with electric heating will see a smaller percentage saving because their standing charges remain high, about 60p a day for electricity, up 30% since 2021.

Short-term relief, long-term vulnerability

The catch is that wholesale gas prices are notoriously volatile. A cold snap in Europe, a pipeline disruption, or a surge in Asian demand could reverse the fall within weeks. The UK’s gas storage capacity is among the lowest in Europe, just 12 days of average winter demand, compared to Germany’s 89 days. That leaves households exposed to price spikes.

Andy Burnham’s ‘breathing room’ framing is politically smart but economically limited. A mayor cannot cap wholesale markets or build a strategic gas reserve. What homeowners can do, however, is use this window of lower bills to invest in measures that insulate them from future shocks: loft insulation (costs typically £300–£500, saves £150–£200 a year), cavity wall insulation (£400–£700, saves £200–£300), or a heat pump under the Boiler Upgrade Scheme (grant of £5,000).

Which upgrades deliver the best EPC return

Energy Performance Certificate ratings are driven by heating efficiency, insulation, and glazing. A typical D-rated semi can reach a C with cavity wall insulation (up to 5 SAP points) and loft insulation (up to 10 points). Replacing an old G-rated boiler with an A-rated heat pump can add another 15 points, though installation costs run £7,000–£13,000 before the grant.

The Energy Saving Trust estimates that a full retrofit package, insulation, draught-proofing, and a heat pump, can cut annual bills by £500–£1,000. That is more than the entire price cap fall, and it is permanent. The Great British Insulation Scheme, launched in 2023, offers free or subsidised insulation for low-income households, while the ECO4 programme targets the least efficient homes.

But the take-up remains slow. Ofgem data shows only 45,000 heat pump installations in 2023 under the Boiler Upgrade Scheme, against a government target of 600,000 a year by 2028. The gap is partly due to upfront costs and confusion about grants.

Households on standard variable tariffs can compare fixed deals now that the cap is falling, though most fixes are still higher than the forecast cap. The real opportunity is to treat the next six months as a planning window: get an EPC assessment (£60–£120), check eligibility for grants, and book a survey with a TrustMark-registered installer.

Andy Burnham’s breathing room will last only as long as the gas market stays calm. The only durable relief is a home that needs less energy to heat in the first place.