Boiler Upgrade Scheme: How to Get a £5,000 Heat Pump Grant

The Boiler Upgrade Scheme (BUS) is a key government heat pump grant UK incentive designed to make the shift away from fossil fuel heating more accessible for property owners across England and Wales. It acts as a financial bridge, allowing homeowners to embrace highly efficient, low-carbon heating alternatives, primarily the boiler upgrade scheme heat pump. This initiative is vital to the UK’s commitment to reducing carbon emissions.

The scheme provides substantial financial support by offering a fixed grant that significantly reduces the upfront cost of installing air source heat pump or ground source systems. By leveraging the BUS grant, you can invest in a warmer, more efficient home without the full financial burden of a modern heating system. Securing this grant is vital for achieving a long-term reduction in your energy bills.

What is the Boiler Upgrade Scheme?

The Boiler Upgrade Scheme is a government heat pump grant UK initiative that provides fixed grants to help property owners replace older, high-carbon systems (like gas or oil boilers) with cleaner, renewable energy technologies. It is not means-tested; it offers universal capital funding to drive market adoption of heat pumps. The scheme ensures that replacing your boiler is financially viable when moving to expensive, high-efficiency technology.

Switching from a traditional boiler to a heat pump is like upgrading from a petrol car to an electric vehicle: the initial cost is higher, but long-term running costs are lower, and the environmental impact is minimised. The BUS grant acts as a generous deposit, bringing the price down to a more manageable level. This targeted support encourages widespread adoption of sustainable home heating solutions.

Who is Eligible for the Boiler Upgrade Scheme?

Determining BUS eligibility is often simpler than grant schemes focused on low-income households, such as ECO4, which runs until March 2026 and requires properties to have EPC ratings of D, E, F, or G. The Boiler Upgrade Scheme is open to homeowners, private tenants, and landlords in England and Wales. You must be planning to replace an existing fossil fuel system, such as oil, gas, or LPG, or an inefficient electric heating system.

Key Property and Owner Criteria

The scheme is designed to facilitate the transition from older, high-carbon heating to modern systems in existing buildings. This focus means that most new-build properties are typically excluded. So Eco understands the complex rules surrounding property ownership and tenure.

The main eligibility criteria include:

Location: The property must be located in England or Wales.

Ownership: You must own the property or have consent from the owner. This includes owner-occupiers, private tenants, and those who own second homes or small business properties.

System Replacement: The new system must fully replace a working or non-working fossil fuel heating system, or a direct electric heating system.

Capacity: The new system’s maximum installation capacity must not exceed 45 kWth, which covers the vast majority of standard domestic homes.

The Critical Role of Your EPC and Insulation

Historically, the scheme required homeowners to clear all outstanding loft and cavity wall insulation recommendations on their EPC before applying. This requirement has been removed to simplify the application process and speed up the adoption of low-carbon heating.

However, improving your home’s fabric remains essential for efficiency. A highly efficient air source heat pump cannot perform optimally if your house is leaking heat. Getting proper loft insulation or internal walls insulation done beforehand will maximise the long-term savings from your new heating system. Maximise insulation before installing any new heater.

How Much Can You Get?

The government significantly increased the grant amounts for the scheme to boost its appeal and accelerate the shift toward renewable energy. This government heat pump grant UK support is paid directly to your chosen installer, ensuring you only pay the reduced price upfront. It’s important to note that the grant is only deducted once, and cannot be combined with other public funding for the same installation.

The current fixed grant amounts available under the Boiler Upgrade Scheme are:

• £7,500 towards the cost and installation of an air source heat pump
• £7,500 towards the cost and installation of a ground source heat pump
• £5,000 towards the cost and installation of a biomass boiler

Imagine Mr Patel, who owned an older farmhouse off the gas grid in rural Wales. He struggled with volatile oil prices. Using the BUS grant, he secured £7,500 off a new ground source heat pump system. This single investment immediately stabilised his heating costs, making his home warm, comfortable, and independent of fossil fuel delivery.

Which Technologies are Covered?

The Boiler Upgrade Scheme focuses its funding on two primary technologies: the boiler upgrade scheme heat pump and, in limited circumstances, biomass boilers. Ofgem, the scheme’s administrators, ensures that only technologies meeting stringent efficiency and emission standards qualify for support.

1. Air and Ground Source Heat Pumps

These offer a clean, efficient alternative to traditional boilers. Heat pumps use electricity to move heat, rather than creating it by burning fuel.

Air Source Heat Pumps (ASHPs): These extract ambient heat from the outside air. They are versatile, suitable for most properties, and offer a significant air source heat pump grant UK amount.

Ground Source Heat Pumps (GSHPs): These use buried pipes to absorb heat from the earth. While requiring more complex installation, they are highly efficient and also benefit from the £7,500 grant.

2. Biomass Boilers

Biomass boilers qualify for the £5,000 grant but face tighter restrictions due to their local air quality impact. They are only eligible in properties that meet strict criteria. These boilers burn sustainable wood pellets, logs, or chips to create heat for your home.

Eligibility for biomass boilers is limited to properties that are:

• In a rural location
• Not connected to the mains gas grid
• Replacing an existing fossil fuel system

How to Apply for the Boiler Upgrade Scheme

The application process for the Boiler Upgrade Scheme is designed to be installer-led, simplifying the experience for property owners. When installing a boiler upgrade scheme heat pump, you won’t receive the cash directly; instead, your certified installer manages the claim and deducts the grant amount from your final invoice. This process removes the administrative burden from you, the homeowner.

Working with an MCS Certified Installer

Securing an MCS-certified installer is the most crucial step. MCS (Microgeneration Certification Scheme) certification is a quality mark that assures the products and installation meet the highest industry standards. Without this certification, the installer cannot register the installation or apply for the BUS grant.

Steps to Secure Your Grant:

Find Your Installer: Select an MCS-certified installer who can perform the work and register the installation on the MCS database.

Agree on Quote: Your installer will provide you with a quote that has the full grant amount (e.g., £7,500) deducted upfront.

Installer Application: The installer submits the voucher application to Ofgem on your behalf, confirming the technology and costs.

Property Owner Consent: Ofgem will then email you directly, asking you to confirm your consent for the installer’s application and verify your property eligibility details. You must respond within 14 days.

Installation and Payment: Once the installation is complete and certified, the installer applies to Ofgem for the grant redemption. You pay only the reduced balance.

The Long-Term Benefits of Low-Carbon Heating

Moving to a low-carbon heating system like a heat pump is an investment that pays dividends for years. It protects you from the volatile pricing of fossil fuels and significantly reduces your carbon footprint. As the UK moves toward Net Zero, properties with these systems are also increasingly valued on the housing market.

This £7,500 air source heat pump grant is a step toward energy independence. Consider the long-term efficiencies and the comfort of heating your home with clean, readily available energy. If you’re interested in maximising energy self-sufficiency, consider combining these systems with solar panels and other measures.

Next Steps

If you’re interested in making your home more energy-efficient and utilising the Boiler Upgrade Scheme, your next action is simple. The first step is confirming your property’s suitability and then engaging with a trusted installer. Don’t delay in exploring your options. Funding, while currently generous, is not limitless.

Navigate the details of the grants and funding landscape, ensuring you receive the maximum support available for your project. To begin your journey toward a warmer, cheaper, and greener home, check your eligibility and speak with a So Eco advisor today. Contact us to get started.