Free Combi Boiler under the UK Government’s ECO4 Grant
What is a Combi Boiler?
A combi (combination) boiler is a modern all-in-one unit that delivers both central heating and hot water instantly—without the need for tanks or cylinders. Compact, highly efficient, and perfect for small- to medium-sized homes.
How It Works
- Heats water directly from mains supply
- No cold water tank or hot water cylinder required
- Opens tap and get hot water instantly—no waiting, no storage tank
ECO4 Grant Overview
- Government-backed Energy Company Obligation Phase 4 (ECO4) runs until March 2026
- Designed to help low-income and vulnerable households improve energy efficiency
- Fully funds combi boiler replacements or upgrades
Why Upgrade to a Combi Boiler with ECO4 Funding?
- The UK Government’s ECO4 scheme is helping households cut their energy bills and carbon footprint by funding the installation of modern, energy-efficient A-rated combi boilers. If your existing boiler is outdated, inefficient, or unreliable, this is the perfect opportunity to upgrade at no cost. With fast installation, zero upfront costs, and long-term savings, a new combi boiler is one of the smartest home energy upgrades available today.
Your Combi Boiler Funded from Start to Finish
- Under ECO4, eligible households can have their old boiler replaced with a brand-new A-rated combi boiler, fully installed by accredited engineers, without paying a penny.
- Full home energy assessment
- Removal and safe disposal of old boiler
- Professional installation of your new boiler
- Manufacturer warranty for peace of mind
- System testing and demonstration
- Advice on using your new heating system efficiently
Who Qualifies?
- Homeowner or Private Tenant
- Home must have an EPC rating of D, E, F, or G.
Benefits-Based Criteria
- Universal Credit
- Working Tax Credit
- Child Tax Credit
- Housing Benefit
- Pension Credit (Savings or Guarantee)
- Income-based JSA or ESA
- Income Support
Why Thousands of Homeowners Are Switching to ECO4 Combi Boilers
- Zero upfront cost – the grant covers the full supply and installation
- Lower heating bills – save up to 30% annually on energy costs
- Eco-friendly – reduces your home’s carbon footprint
- Space-saving – no tanks or cylinders, just one compact unit
- Instant hot water – no waiting for a tank to heat up
- Boosted property value – better EPC rating for your home
Cost Savings & Impact
- Typical energy bill savings around 22–30% per year
- Lower carbon footprint thanks to A-rated technology
- No upfront installation costs—fully government funded
Why Choose Us
We only install A-rated, energy-efficient combi boilers from leading UK brands, ensuring top performance and long-lasting reliability — all backed by manufacturer warranties.
Every home is different. Our team carries out a full property assessment to design the perfect heating solution for your needs, making sure you get the maximum benefit from your ECO4 grant.
Upgrading to an energy-efficient combi boiler reduces your carbon footprint, cuts energy waste, and supports the UK’s journey towards Net Zero emissions.
Common Questions
Most Popular Questions
A combi (combination) boiler is a single, compact unit that provides both central heating and hot water directly from the mains — without the need for a separate hot water cylinder or cold water tank.
When you turn on a tap or shower, the combi boiler instantly heats water from the mains using a high-efficiency heat exchanger. For heating, it circulates hot water through your radiators as needed, responding to thermostat controls.
Yes — if you meet certain eligibility criteria, including receiving qualifying benefits and having a low EPC rating, you may be entitled to a fully funded A-rated combi boiler installation under ECO4.
No water tanks or cylinders needed, saving space.
Instant hot water on demand.
High energy efficiency and lower heating bills.
Reduced carbon emissions.
The main limitation is that hot water flow can be affected if multiple taps or showers are used at the same time. Combi boilers also require good mains water pressure.
On average, a modern combi boiler lasts between 10–15 years with proper maintenance and annual servicing.
We offer a free eligibility check. Simply provide your details, and our team will confirm if you qualify for a free combi boiler through the ECO4 government scheme.
Yes — replacing an old, inefficient boiler with a modern A-rated combi boiler can significantly improve your EPC score, which is often a requirement under ECO4 funding.
Some combi boilers can be integrated with renewable technologies like solar thermal panels to preheat water, helping reduce energy bills further.
In most cases, a straightforward combi-to-combi swap can be completed in a single day. More complex installations, such as converting from a system or regular boiler, may take longer.
Yes — combi boilers rely on mains water pressure for hot water delivery. If your pressure is low, we can advise on solutions before installation.
Yes — many homeowners switch to combi boilers to save space and improve efficiency. Our team will assess your property to confirm suitability.
