Get a Free Boiler & Cut Your Energy Bills in 2025

Get up to 100% FREE government backed upgrades
for your home insulation, heating & more.

I’ve witnessed countless homeowners struggle with old, inefficient boilers that drain wallets and produce excessive emissions. If you’re eligible for a free boiler grant through your local council or government schemes, you’re taking a crucial step toward a greener future while transforming your daily comfort. Eco4 Home Improvement provides aid throughout the entire process, from applying for grants to delivering the best boiler installation services that genuinely make a difference.

Financial Benefits at a Glance

Replacing your old, inefficient boiler with a new, energy-efficient boiler delivers measurable results. When Upgrading to a modern, efficient boiler—whether choosing a condensing boiler or exploring different Condensing Boiler Types—you’ll save money on your energy bills consistently. Understanding the difference between condensing and non condensing boiler options helps you make informed decisions that improve the value of your home.

Modern boilers are designed to be eco-friendly, offering multiple benefits for occupants:

  • Reduce your carbon footprint by emitting fewer greenhouse gases
  • Act as a partner in achieving the net zero goal through reducing carbon emissions
  • Help combat climate change by replacing older, inefficient models that produce less emissions
  • Increase your home heating efficiency with improved heating performance
  • Enjoy better temperature control for optimal comfort levels throughout every room

Our experts understand that improving your home’s energy efficiency requires the right approach. New boilers obtained through free boiler grants deliver Increased Efficiency that transforms daily life. Homes equipped with energy-efficient heating systems become more attractive to potential buyers and command premium prices in the market. This Saving on Energy Bills isn’t just about replacing outdated equipment—it’s about Reduce your carbon footprints and creating lasting comfort for those you care about most.

Eligibility for a free boiler scheme, such as the UK’s ECO4 and LA Flex schemes, typically requires the homeowner to own the property, live in it, and be connected to mains gas, with the existing boiler at least 8 years old. You must also receive certain government benefits or meet low-income and health criteria under LA Flex, which allows councils to approve applications based on high heating costs or health conditions worsened by cold homes

Who Qualifies? 

  • Homeowners: The applicant must be the owner of the property.
  • Mains Gas Supply: The property must be connected to the mains gas supply.
  • Old Boiler: The existing boiler should be at least 8 years old.
  • Benefit Recipients: You must receive one of the government benefits listed for the scheme.

What if I don’t receive benefits? 

  • LA Flex: If you don’t receive benefits, you may still qualify through the LA Flex route, where councils can approve applications based on factors such as:
    • Low income
    • High heating costs
    • Health conditions worsened by living in a cold home, like asthma or cardiovascular issues
Eligibility Criteria
1
You must have your own home
2
You must have an income below a certain level
3
You must have a non-condensing boiler
4
Your boiler must be installed before 2005
5
You must have a valid Energy Performance Certificate (EPC)

Types of free boiler grants 

Boiler Grant Programs
1
2025 Boiler Grant Program
Government-funded initiative offering up to £10,000 for eligible households to upgrade to energy-efficient boilers. Available for families receiving benefits like Child Tax Credit or Income Support.
2
UK New Boiler Funding
Help low-income families replace outdated heating systems with modern, efficient boilers. Reduce your carbon footprint while saving significantly on energy costs year after year.
3
British Gas Replacement
Access up to £10,000 in funding through British Gas for a new eco-friendly boiler installation. Keep your home warm and comfortable without the financial burden.
4
ECO4 Scheme Funding
Free boiler replacements under the government’s ECO4 initiative. Check your eligibility with your postcode and receive professional installation at no cost.
5
Back Boiler Upgrade
Replace outdated back boilers with modern heating solutions worth up to £10,000. Improve energy efficiency and reduce environmental impact with newer technology.
6
Gas Boiler Grant
Free replacement for inefficient gas boilers that typically cost £9,000. Lower your energy bills dramatically while protecting the environment with modern heating.
7
Old System Replacement
Transform your worn-out boiler into a brand new system at zero cost. The £10,000 replacement grant makes modern heating accessible for all income levels.
8
Pensioner Boiler Grant
Special funding for over-60s receiving pensions. Get up to £10,000 for boiler replacement if your system is 8+ years old. Application deadline: March 2026.

WHAT YOU CAN AVAIL AGAINST THE GRANT

  • Check eligibility requirements first – Confirm you qualify before applying to avoid automatic rejection.
  • Prepare all necessary documents – Having everything ready beforehand speeds up processing time.
  • Fill out forms accurately – Double-check for mistakes that could delay or reject your application.
  • Track your application status – Contact the provider to confirm receipt and monitor progress.
Free Boiler Upgrade Scheme FAQ Section

Free Boiler Upgrade Scheme FAQs

Everything you need to know about getting a free boiler replacement

Who qualifies for a free boiler replacement?

+

You may qualify if you’re a homeowner or private tenant with landlord permission, receive qualifying benefits (Universal Credit, Pension Credit, Child Benefit), have a household income under £31,000, and your current boiler is over 7 years old or inefficient.

What is the ECO4 boiler scheme?

+

The ECO4 scheme is a government initiative running until March 2026 that helps low-income and vulnerable households replace old, inefficient boilers with modern, energy-efficient models at no cost. It’s funded by larger energy suppliers.

How much can I save with a new boiler?

+

Replacing an old G-rated boiler with a modern A-rated condensing boiler can save you £300-£580 per year on energy bills. Over the 10-15 year lifespan of a new boiler, you could save thousands while enjoying better heating and hot water.

What types of boilers are covered under ECO4?

+

The scheme typically covers A-rated condensing gas boilers, combi boilers, system boilers, and regular boilers. The specific type depends on your home’s heating system and requirements. All replacements must meet current energy efficiency standards.

Is the boiler replacement completely free?

+

If you meet all eligibility criteria, the boiler replacement is completely free, including installation, necessary pipework, and controls. Some households may need to contribute a small amount depending on additional work required.

How long does boiler installation take?

+

A standard boiler replacement typically takes 1-2 days to complete. The entire process from application to installation usually takes 4-8 weeks, including eligibility checks, home surveys, and scheduling with Gas Safe registered engineers.

Do I need to own my home to qualify?

+

No, both homeowners and private tenants can apply. However, tenants must have written permission from their landlord before proceeding. Social housing tenants should contact their housing association about separate schemes available.

What warranty comes with a free boiler?

+

All ECO4 boiler installations include manufacturer warranties ranging from 5-10 years depending on the brand. You’ll also receive installation workmanship guarantees and ongoing support from your approved installer.

Can landlords apply for their rental properties?

+

Yes, landlords can apply if their tenants receive qualifying benefits, are on low income, or experience fuel poverty. This helps landlords meet energy efficiency requirements while supporting vulnerable tenants.

What makes a boiler eligible for replacement?

+

Your boiler may qualify for replacement if it’s over 7 years old, has an efficiency rating below 86% (non-condensing), frequently breaks down, or cannot adequately heat your home. A surveyor will assess your current boiler during the application process.

Are all installers Gas Safe registered?

+

Yes! All ECO4 boiler installers must be Gas Safe registered and TrustMark approved. This ensures installations meet legal safety standards and quality requirements. You’ll receive all necessary certification upon completion.

What benefits make me eligible for ECO4?

+

Qualifying benefits include Universal Credit, Pension Credit, Child Tax Credit, Working Tax Credit, Income Support, Jobseeker’s Allowance, Employment Support Allowance, and Housing Benefit. Income thresholds also apply depending on household size.

Will getting a new boiler affect my benefits?

+

No, receiving a free boiler through the ECO4 scheme will not affect your benefit eligibility or payments. The scheme is designed specifically to help those receiving benefits improve their home’s energy efficiency.

What additional work is included with installation?

+

Installation typically includes the boiler unit, new controls (thermostat and programmer), necessary pipework modifications, system flushing, connection to existing radiators, and removal of your old boiler. Additional work may be needed for older systems.

How energy efficient are the replacement boilers?

+

All replacement boilers under ECO4 must be A-rated condensing boilers with minimum 90% efficiency. Modern boilers convert over 90% of fuel into heat, compared to older boilers at 60-70%, resulting in significant energy savings.

Can I choose the boiler brand and model?

+

The installer will recommend suitable A-rated boilers based on your home’s requirements. While you may have some choice, the selection must meet ECO4 standards and be appropriate for your heating system and property size.

What happens to my old boiler?

+

Your old boiler will be safely disconnected, removed, and disposed of by the installer in accordance with environmental regulations. All waste is handled responsibly, and you won’t need to worry about disposal costs or arrangements.

How do I maintain my new boiler?

+

Annual servicing by a Gas Safe registered engineer is recommended to maintain efficiency, safety, and warranty validity. Regular checks ensure optimal performance and can prevent costly breakdowns. Most services cost £60-£120 annually.

Can I get other energy improvements with my boiler?

+

Yes! ECO4 often includes additional measures like insulation, solar panels, or heating controls to maximize your home’s energy efficiency. These improvements work together to reduce energy bills and improve comfort throughout your home.

How do I apply for the free boiler scheme?

+

Contact an approved ECO4 installer who will check your eligibility, arrange a home survey, and handle the entire application process. You’ll need proof of benefits, property ownership or landlord consent, and details about your current boiler.

Latest Insights & Guides