Free Energy Saving Grants
Unlock funding for insulation, heating upgrades, and more
Making Energy Efficiency Accessible for All
Don’t miss out on free grants through schemes like ECO4 and more. We’ll help you navigate the process, no strings attached.
Government schemes like ECO4, the Boiler Upgrade Scheme, and the Great British Insulation Scheme are designed to make energy efficiency accessible to everyone. However, many people find the application process overwhelming or worry it’s too good to be true. That’s where we come in. At One Energy, we guide you step-by-step, ensuring you understand your options and secure funding to make your home greener and more cost-effective.
Funded by the UK's largest energy suppliers

The UK government has committed £12 billion to its Help to Heat initiatives, aiming to make homes warmer and more energy-efficient while reducing heating costs. These initiatives include:
- Boiler Upgrade Scheme
- Home Upgrade Grant phase 2
- Sustainable Warmth Competition
- Social Housing Decarbonisation Fund
- Energy Company Obligation
- Great British Insulation Scheme
More about energy saving grants
Government-backed schemes
Free grants are provided under various Government-backed schemes like ECO4, the Home Upgrade Grant, and the Boiler Upgrade Scheme. Click here to read more on the Gov.uk website.
Apply Today
Funding is administered through a network of approved installers, local authorities, energy providers, and other organisations, such as One Energy, rather than being provided directly by the Government. Contact us today to establish your eligibility, and we’ll secure the most suitable grant for you.
The latest news on Energy Saving Grants

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Who would have thought? We’re actually taken back, and are super proud to be sharing some incredible news. One Energy has been shortlisted for not one, but two awards at the 2025 UK StartUp Awards! The UK StartUp Awards were created to spotlight the rapid rise of innovative new businesses across the country. Shortlisted from