Boiler Grants 2025 – Get a Free or Discounted Boiler Through Government Funding

If your boiler is old, inefficient, or constantly breaking down, it’s not just inconvenient; it’s expensive too. An outdated boiler can lead to higher energy bills, increased carbon emissions, and reduced home comfort. Fortunately, the UK government offers a variety of boiler grants through several funding schemes to help homeowners replace old, inefficient heating systems with energy-efficient and low-carbon alternatives.

In 2025, eligible households can apply for a free boiler replacement through the following government schemes:

• ECO4 Scheme – Free boiler replacement for low-income households
• Great British Insulation Scheme (GBIS) – Insulation and boiler upgrades (primary focus on insulation)
• Boiler Upgrade Scheme (BUS) – Funding for low-carbon heating systems like heat pumps and biomass boilers
• Warm Homes Local Grant (launching in April 2025) – New funding for low-income households needing energy-efficient upgrades.

A boiler grant is a government-backed funding scheme designed to help eligible households replace old, inefficient boilers with modern, energy-efficient models at little to no cost. With heating bills on the rise and the UK’s commitment to reducing carbon emissions, these grants make it easier for homeowners to upgrade their heating systems without facing hefty upfront costs.

These grants exist to improve home energy efficiency, cut down on energy waste, and lower carbon footprints. Older boilers are far less efficient, leading to higher energy bills and increased carbon emissions. By switching to an A-rated boiler or a low-carbon heating system, households can save money while making their homes more eco-friendly.

The main Boiler Grants Schemes available in 2025 include:

• ECO4 Scheme – Offers free boiler replacements for eligible households on benefits.
• Great British Insulation Scheme (GBIS) – Focuses on insulation improvements but can also help fund boiler replacements in certain cases.
• Boiler Upgrade Scheme (BUS) – Provides grants for low-carbon heating solutions such as heat pumps and biomass boilers.
• Warm Homes Local Grant (2025) – A new grant launching in April 2025, offering funding for heating and insulation upgrades.

It’s important to note that boiler grants are not direct cash payments. Instead, funding is applied directly to cover the cost of supply and installation, reducing or even eliminating out-of-pocket expenses for homeowners.

Since funding is limited, checking eligibility as soon as possible is crucial. If you qualify, you could get a new energy-efficient boiler or even a heat pump for free or at a heavily discounted rate—helping you reduce heating costs and improve your home’s energy efficiency.

Find out if you’re eligible today and start saving on your heating bills!

Eligibility for Free Boiler Grants

Each of the government schemes has specific eligibility requirements. Here’s a breakdown of the main schemes and their eligibility criteria:

ECO4 Scheme

The ECO4 Scheme focuses on helping low-income households by providing free boiler replacements. To be eligible for a free boiler through this scheme, you must meet the following criteria:

• Benefits-Based Eligibility: If you’re receiving any of the following benefits, you may qualify for the ECO4 scheme:
  • Universal Credit
  • Pension Credit (Guarantee or Savings Credit)
  • Income Support
  • Jobseeker’s Allowance (JSA)
  • Child Tax Credit
• EPC Rating of D or Below: Your property needs to have an Energy Performance Certificate (EPC) rating of D or lower.

The ECO4 scheme is primarily aimed at households that struggle with high energy bills due to inefficient heating systems.

Great British Insulation Scheme (GBIS)

The GBIS is designed to help homeowners improve their insulation to reduce heat loss and improve energy efficiency. Although it primarily focuses on insulation, some grants can also be used for boiler upgrades. To qualify for this scheme, the following conditions generally apply:

• EPC Rating of D or Below: Your home must have an EPC rating of D or lower.
• Benefits-Based Eligibility: You must be receiving Universal Credit, Pension Credit, or another qualifying benefit.
• Boiler Upgrade Eligibility: If you’re already eligible for insulation improvements, the scheme may provide you with a free boiler replacement as part of the overall energy-efficiency upgrade.

While GBIS primarily focuses on insulation, it’s an excellent option for those who need both boiler upgrades and insulation improvements to make their homes more energy-efficient.

Boiler Upgrade Scheme (BUS)

The Boiler Upgrade Scheme (BUS) is a scheme designed for homeowners replacing fossil fuel heating systems with low-carbon alternatives. If your home is using an old oil, gas, LPG, or coal boiler, you may be eligible for the BUS.

• £7,500 towards the cost of installing a heat pump.
• £5,000 towards installing a biomass boiler.
• Property Requirements: The property must meet certain criteria for low-carbon systems, and you will need a valid EPC to apply.
• Eligibility for Fossil Fuel Replacement: BUS is available if you are replacing a fossil fuel heating system with an energy-efficient system such as a heat pump or biomass boiler.

This grant is ideal for homeowners looking to move away from traditional heating systems and embrace greener, low-carbon alternatives.

Warm Homes Local Grant (2025)

The Warm Homes Local Grant is a new scheme launching in April 2025. It is designed to assist low-income households and those living in fuel poverty by providing heating system upgrades and insulation improvements.

While the full details are still being finalised, it’s expected that this grant will target homes with EPC ratings of D or below and those facing specific challenges such as poor heating systems.

This scheme will be ideal for individuals looking to reduce energy bills and improve the warmth and comfort of their homes.

Check Your Eligibility for Boiler Grants

Upgrading to a new energy-efficient boiler or low-carbon heating system offers multiple benefits:

Save Money on Energy Bills

A modern, energy-efficient boiler uses significantly less energy, which means lower heating bills. Depending on the system you choose, you could save hundreds of pounds per year.

Increase Home Comfort

New boilers provide consistent heat and hot water, creating a more comfortable living environment.

Reduce Your Carbon Footprint

Switching to a low-carbon heating system like a heat pump or biomass boiler significantly reduces your carbon emissions, helping the UK meet its net-zero carbon targets.

Increase Property Value

Energy-efficient homes are more attractive to buyers. Installing a new boiler or heating system can increase your home’s value and appeal.