Free Boiler Grants For Working Tax Credit Recipients
Check if you qualify for a free boiler grant under ECO4. Working Tax Credit recipients can get an energy-efficient boiler for free.

Are you on Working Tax Credit and worried about rising energy bills due to your old, inefficient boiler? Don’t worry! The UK government’s ECO4 scheme could be the solution you need. Through this initiative, eligible households in UK can receive a free boiler grant to replace their old, inefficient boiler with a modern A-rated energy-efficient boiler.
This free boiler grant is not a loan and comes at no upfront cost, making it one of the easiest ways to improve your home’s heating and efficiency. If you’re claiming Working Tax Credit, you could already be eligible to apply. The process is simple: check your eligibility, book a free home survey, and get your new boiler installed by our certified engineers.
ECO4 Scheme Helps With Free Boiler Grants
The ECO4 scheme (Energy Company Obligation Phase 4) is a UK government-backed scheme created to tackle fuel poverty and cut carbon emissions. Funded by the nation’s largest energy suppliers, it offers grants to households most in need of energy-saving improvements. This scheme runs from April 2022 to March 2026.
What sets ECO4 apart from earlier phases is its whole-house retrofit approach. Instead of simply replacing an old boiler, this scheme delivers a tailored package of upgrades designed to maximise your home’s energy efficiency. While a free boiler replacement remains a major feature, ECO4 funding may also cover:
- Loft, cavity wall, and solid wall insulation
- First-time central heating systems
- Air source heat pumps and other renewable heating technologies
By combining these improvements, ECO4 scheme aims to deliver long-lasting energy savings, making homes warmer, greener, and more affordable to run.
What Is Working Tax Credit?
Working Tax Credit (WTC) funds by UK government, aimed at helping individuals and families on low incomes. It provides financial support through regular payments, easing the burden of everyday expenses for those in employment, including part-time and self-employed workers. The amount awarded depends on factors such as income level, hours worked, and household situation. While Universal Credit is steadily replacing WTC, many people continue to benefit from it as a way to make work more rewarding and affordable. Here are some important points you should know about Working Tax Credit:
WTC Hours Criteria
To qualify, you must work a certain number of hours each week, depending on your age and circumstances:
- Aged 25 to 59: At least 30 hours per week
- Aged 60 or over: At least 16 hours per week
- Disabled: At least 16 hours per week
- Single with 1 or more children: At least 16 hours per week
- Couple with 1 or more children: At least 24 hours per week (with one partner working at least 16 hours)
WTC Income Criteria
Your income plays a key role in eligibility:
- For asingle person, the limit is £13,000 per year.
- For a couple without children, the limit is £18,000 per year.
These limits may be higher if you have children, a disability, or childcare expenses.
How Working Tax Credit Helps You To Qualify?
If you receive Working Tax Credit (WTC), you have a strong chance of qualifying for free Boiler Grant under ECO4 scheme. WTC is linked to your income level, which shows that you may need financial help. This makes you eligible for support under the ECO4 scheme.
- Shows financial need: WTC confirms that your income is limited.
- Helps fight fuel poverty: Ensures support goes to households struggling with energy costs.
- Assists working families: Provides relief for those balancing work with low income.
If you don’t qualify for WTC but still have a low income, you may still access ECO4 scheme through Universal Credit (UC) or Local Authority Flexible Eligibility (LA Flex).
Additional Requirements
While receiving Working Tax Credit (WTC) is a key way to qualify, there are other factors that can influence your eligibility for the ECO4 scheme:
- Property Type and Condition: ECO4 applies to a wide range of homes, including detached houses, semi-detached properties, terraced homes, bungalows, and flats. In most cases, your property should have an Energy Performance Certificate (EPC) rating of D or below, showing it could benefit from energy efficiency upgrades.
- Boiler Age and Efficiency: To qualify for a boiler replacement, your existing boiler should generally be 10-20 years older. Inefficient boilers, especially those with a G rating, are given priority because of their high running costs and poor performance.
- Household Members: Homes with children, elderly residents, or people with health conditions may be prioritised, as these households are more vulnerable to fuel poverty and need reliable heating the most.
- Other Qualifying Benefits: Receiving additional benefits can strengthen your eligibility. These include Income-based Jobseeker’s Allowance (JSA), Income-Related Employment and Support Allowance (ESA), Universal Credit (UC), Child Tax Credit (CTC), Income Support (IS), Pension Credit, and Housing Benefit.
- Local Authority Flexibility (LA Flex): Some local councils can offer ECO4 support through LA Flex, which helps households that do not claim traditional benefits but are still struggling financially. It’s worth checking with your local authority to see if this applies to you.
Why Upgrade Old Boiler?
An outdated boiler can be costly and inefficient, affecting both your budget and home comfort. Upgrading through the ECO4 scheme offers several valuable benefits:
- Lower Energy Bills: Modern boilers run at over 90% efficiency, cutting down on wasted energy and reducing your monthly heating costs.
- Fewer Repair Expenses: Older boilers often break down, leading to high repair bills. New systems usually include warranties, giving you peace of mind and long-term savings.
- Improved Comfort: Up-to-date boilers heat your home faster and more evenly, helping you avoid cold spots.
- Eco-Friendly Choice: Switching to an ECO4 boiler reduces carbon emissions, supporting the UK’s climate targets and protecting the environment.
- Boosted Property Value: A more efficient boiler can raise your EPC rating, making your home more appealing to buyers and adding financial value in the future.

ECO4 scheme Is a Lifeline for UK Households
For families receiving Working Tax Credit (WTC), balancing work, bills, and daily expenses can be challenging. Rising energy costs make it even harder to keep homes warm. The ECO4 Boiler Grant Scheme offers support by providing affordable access to efficient heating without heavy upfront expenses.
Targeted Help For WTC Households
Receiving WTC shows that you’re working but on a limited income. ECO4 uses this as a marker of need, offering tailored support so that working families don’t have to choose between heating their homes and paying for other essentials.
Affordable Boiler Upgrades
The cost of replacing an old boiler can run into thousands of pounds, a major barrier for many WTC households. ECO4 removes most or sometimes all of this cost, making energy-efficient heating systems accessible without debt or financial strain.
Lower Energy Bills for the Long Term
Families receiving WTC are among those most affected by rising fuel prices. By upgrading inefficient boilers to modern, high-efficiency systems, ECO4 helps cut energy usage, meaning your income stretches further and your bills stay under control.
Equal Access to Energy Efficiency
Support from ECO4 isn’t limited to unemployed households. It ensures working families on WTC also benefit from energy-saving measures, making the scheme fairer and more inclusive.
Financial Security for the Future
For WTC recipients, ECO4 is more than a grant it’s a pathway to long-term stability. With lower running costs and a warmer home, you can protect your budget while enjoying lasting comfort and peace of mind.
Don’t wait until bills rise again, apply today with Cozyfy and secure your free home heating upgrade now.
How to Apply
- Check Eligibility: Confirm you receive WTC and meet ECO4 requirements.
- Home Assessment: An energy surveyor inspects your boiler and insulation.
- Approval & Installation: If eligible, a certified installer fits your new boiler at little to no cost.
At Cozyfy, we’ve been providing energy-efficient solutions , delivering reliable service and quality products. Don’t let an old boiler drain your budget upgrade free through ECO4 today!
Conclusion
The ECO4 Boiler Grant Scheme is a lifeline for Working Tax Credit recipients, offering a chance to upgrade to a modern, energy-efficient boiler without the heavy costs. Not only does it help reduce energy bills, but it also improves comfort, boosts property value, and supports the UK’s climate goals. With the scheme set to end in 2026, now is the best time to apply through Cozyfy and secure long-term savings and a warmer, more efficient home.
Frequently Asked Question!
Households on Working Tax Credit (WTC) and other low-income benefits are eligible for free boiler grant.
No, if you qualify under ECO4 eligibility criteria the new boiler installation is fully free of cost to you and there is no hidden charges to pay.
ECO4 scheme also cover insulation like (loft, solid wall and cavity wall), first-time central heating, and renewable heating systems like heat pumps.
It runs until March 2026, but applying early increases your chances of approval.
Simply check your eligibility online through Cozyfy in just 60 seconds, book a free home survey, and Cozyfy will handle the rest.