UK Launches Interest-Free Loans to Fund Home Energy Upgrades

Publish: 28 October 2026, 9:31:21 AM

Households throughout the United Kingdom can now access interest-free or low-interest loans to install clean energy technologies such as solar panels, batteries, and heat pumps. This government-supported initiative aims to eliminate upfront costs for families, helping them reduce their annual energy expenditures by hundreds of pounds.

The newly launched Warm Home Loans scheme provides financing options ranging from £7,500 to £35,000. For those replacing traditional gas boilers, the program offers loans of up to £10,000 for air-source heat pumps and up to £35,000 for ground-source units. These loans can be paired with existing government grants, which provide up to £9,000 annually for households transitioning away from fossil fuel heating systems. It has typically provided grants of up to £7,500 to help meet the £13,600 cost of installing a heat pump, meaning households have still required a significant outlay to make up the difference.

Official estimates suggest that a combined installation of a heat pump, battery, and solar array could save residents up to £550 per year on energy bills. These savings could increase by an additional £300 for households utilizing time-of-use tariffs, which offer cheaper energy rates during off-peak hours.

Energy Secretary Miatta Fahnbulleh emphasized that energy remains an essential commodity that must stay affordable.

She noted that the program is designed to make homes warmer and more efficient without the burden of initial capital expenditure. E.On UK chief executive Chris Norbury added that the initiative serves as a crucial mechanism for removing financial barriers to green technology, pointing to successful trials in Coventry where customers saved over £250 annually using home batteries.

The initiative is being implemented through partnerships between energy providers and various lenders. Companies such as British Gas and E.On have teamed up with financial institutions like Tandem Bank and Homeserve to provide these loans at competitive rates. Additional participating lenders include Secure Trust Bank, HTG Finance, Propensio, Selina Finance, South Manchester Credit Union, Sunsave, The Money Co-op, and This Bank.

This rollout coincides with preparations for the Chancellor’s upcoming budget on Wednesday. While the government is reportedly planning to reduce the £2.7bn five-year budget for the existing Boiler Upgrade Scheme—partly due to Treasury concerns that it primarily benefits middle-class homeowners—the current grants will likely be preserved for those off the gas grid who rely on expensive heating oil. The government set out the terms of the new scheme a day before the chancellor, John Healey, delivers his first budget on Wednesday, which reportedly will include plans to scale back heat pump grants made through its boiler upgrade scheme. But sources say hundreds of millions of pounds will be cut from its £2.7bn five-year budget because Treasury officials consider it a subsidy used mainly by middle-class households, the scheme is not expected to be scrapped altogether.

The surge in energy costs has driven record demand for home efficiency upgrades over the past year. By allowing homeowners to spread repayment costs over several years, the government expects the scheme to expand access to low-carbon technologies for thousands of families across the country.

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