ECO4 Scheme Extended: What UK Homeowners Need to Know
The UK Government has confirmed an extension of the ECO4 scheme, giving households across the United Kingdom additional time to access funding for energy efficiency improvements. Originally due to end on 31 March 2026, the scheme will now run until 31 December 2026, providing extra time for eligible homeowners to secure support.
As part of the Energy Company Obligation (ECO) framework, ECO4 is designed to help low-income and vulnerable households reduce energy bills, improve home comfort, and lower carbon emissions. With energy prices still impacting many families, this extension offers a valuable opportunity to upgrade homes and achieve long-term savings.
What Does the ECO4 Scheme Cover?
ECO4 funding supports a range of energy efficiency improvements, including:
- Loft and cavity wall insulation to reduce heat loss
- Draught-proofing to improve comfort
- Air source heat pumps as a renewable heating solution
Air source heat pumps extract heat from the outside air and convert it into energy to warm your home efficiently. Because ECO4 can cover a significant portion of installation costs, switching to low-carbon heating has become more affordable for qualifying households.
What Has Changed Under the ECO4 Extension?
Although the scheme’s purpose remains the same, the extension introduces refinements to improve its impact.
Updated Eligibility Criteria
The revised scheme places stronger emphasis on supporting households most in need. Priority may be given to:
- Properties with EPC ratings of D, E, F or G
- Households receiving qualifying benefits
- Lower-income families and vulnerable residents
This ensures funding reaches homes where improvements will deliver the greatest financial and environmental benefits.
Adjusted Funding Limits
Funding caps have been reviewed to ensure fairer distribution. High-impact measures such as air source heat pumps and comprehensive insulation upgrades may receive stronger financial support, while smaller standalone measures may have tighter limits. This helps extend funding to more households.
Greater Focus on Whole-House Improvements
The extension encourages combining multiple measures, such as insulation, low-carbon heating, and draught-proofing, rather than installing a single upgrade. A whole-house approach improves overall efficiency, reduces emissions more effectively, and increases property value over time.
Simplified Application Support
Clearer guidance and structured processes aim to make ECO4 easier to navigate, though understanding eligibility and funding details can still be complex without expert advice.
Why Acting Before December 2026 Matters
Although the scheme now runs until 31 December 2026, funding is not unlimited. Demand remains high, and eligibility depends on factors such as income, property type, and energy performance. Acting early improves your chances of securing support and planning improvements that suit your home. Energy efficiency upgrades not only reduce monthly bills but also support the UK’s net-zero goals while increasing comfort and long-term property value.
Navigating ECO4 funding can feel overwhelming — but you don’t have to manage it alone. Wimbledon Heat Pumps helps homeowners understand their eligibility, identify suitable upgrades, and manage the installation process from start to finish. From assessing your property’s energy performance to installing high-efficiency air source heat pumps, our experienced team ensures everything is handled professionally and in line with ECO4 requirements.
If you’re unsure whether you qualify or want to explore your options before the December 2026 deadline, contact
Wimbledon Heat Pumps today. We’ll help you maximise available funding and transform your home into a warmer, more energy-efficient space.