Applying for an energy efficiency grant is a big step toward lowering your heating bills, improving comfort, and reducing your carbon footprint. Whether you’re considering air source heat pumps, internal wall insulation, or switching from an old boiler to an electric heating system, understanding what happens after you apply is key.

At Energy Slug, we guide you through every stage from application to installation ensuring your grant journey is smooth, compliant, and beneficial. In this guide, you’ll learn exactly what to expect and how the process works on your behalf.

What Is the Boiler Upgrade Scheme and How Does It Help?

The Boiler Upgrade Scheme is a UK government initiative offering grants to support the installation of low-carbon heating systems. These include air source heat pumps, ground source heat pumps, and biomass boilers, all designed to replace inefficient heating systems such as older gas or oil boilers.

This grant scheme aims to cut carbon emissions, reduce fuel poverty, and help homeowners and landlords install energy efficiency measures without bearing the full upfront cost. It’s available in England and Wales and runs alongside complementary initiatives like the Great British Insulation Scheme, which funds improvements such as loft insulation and solid wall insulation.

Step 1: Eligibility and Application

To be eligible, your home must meet specific scheme rules and eligibility criteria. These may include:

• Having a valid Energy Performance Certificate (EPC) with no outstanding recommendations for cavity wall insulation or loft insulation.

• Owning a property that is off the gas grid or using an existing boiler that qualifies for replacement.

• Meeting income thresholds or claiming benefits such as Child Benefit, Universal Credit, or Support Allowance.

• Living in social housing or private accommodation with poor EPC ratings.

During the application process, you’ll need to:

• Provide proof of income via bank statements or government benefit letters.

• Offer contact details and property information.

• Give consent for a qualified surveyor to visit your home.

Step 2: Property Assessment and Installer Selection

After submitting your grant application, a chosen installer or registered installer (certified under the Microgeneration Certification Scheme) will carry out an initial survey. This survey assesses:

• Your home’s current energy performance

• The suitability of installing technologies like electric storage heaters, heat pumps, or solid wall insulation

• Access requirements for installation (e.g., loft space, outdoor units for heat pumps)

Once complete, the installer provides a detailed breakdown of the proposed installation, including the total cost, available funding, and any evidence required to move forward.

Step 3: Application Review and Approval

Your application, including all evidence required, will be reviewed by relevant bodies such as energy companies or the central scheme authority. This ensures you meet the eco grant criteria and that the selected heating system or insulation measures match your home’s energy needs.

In most cases, successful applicants will receive a voucher application or confirmation outlining the funding allocated to them. The funding may cover part or all of the installation cost, depending on your circumstances and the technology selected.

Step 4: Installation and Commissioning

Once approved, your installer will schedule a time that works for you. Installation may include:

• Air source heat pumps with integrated hot water tanks

• Electric heating systems or high heat retention electric storage heaters

• Loft insulation, cavity wall insulation, or internal wall insulation

• Ground source heat pumps or biomass boilers (in limited circumstances)

Work is carried out to the highest standards, with minimal disruption and safety as a top priority. Once completed, the installer will commission the system and provide detailed guidance on use, maintenance, and energy saving best practices.

Step 5: Guarantees and Peace of Mind

All grant-funded installations are backed by insurance-backed guarantees, giving you long-term reassurance. This includes:

• Warranty on the system and its heat output

• Cover for workmanship

• Compliance with energy efficiency standards

Your property’s EPC rating may be updated post-installation, reflecting improved energy usage, lower energy bills, and reduced energy loss.

How These Grants Help Reduce Energy Bills and Carbon Emissions

Once your new system is in place, the benefits begin immediately:

• Lower heating bills through less energy use

• Reduced reliance on fossil fuels or inefficient gas boilers

• Better energy efficiency rating on your energy performance certificate

• Support in reaching net zero through carbon emissions reduction

Plus, with renewable heating systems in place like heat pumps or electric systems powered by solar panels, your home generates more heat using sustainable energy while relying less on grid electricity.

Supporting a More Sustainable Future

Grant schemes like the Boiler Upgrade Scheme and the ECO Scheme are crucial steps toward a more sustainable future. With rising energy prices, these government-backed initiatives make home upgrades more accessible and impactful especially for those with limited public funds or on qualifying benefits.

For a detailed look at what you’re eligible for, or help navigating grant funding, contact Energy Slug, your trusted partner in securing eco heating solutions and completing your journey from application to installation.

FAQs

How do I know if I qualify for a grant?
You may be eligible if you receive certain benefits, have a low household income, or own a home with a poor EPC rating. Visit Energy Slug to check your eligibility quickly.

Can I choose my own installer?
Installations must be carried out by MCS-certified installers listed under the scheme to ensure quality and compliance.

What if I live in rental property?
Tenants may qualify under the Energy Company Obligation if their landlords agree to the work and meet scheme criteria.