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Last updated: 31 January 2025

Spray Foam Insulation Grants: Complete 2025 Guide

  • Spray foam insulation, commonly made of polyurethane, costs approximately £21.5 per m² excluding installation.
  • Installing spray foam insulation in a typical 3-bedroom house can lead to energy savings of up to £315 annually.
  • While the upfront costs are higher than some alternatives, grants like ECO4 and GBIS can help eligible households cover full or partial costs, making this high-performing insulation more affordable.

Enhancing your home’s energy efficiency has never been easier with spray foam insulation. Made from high-performance polyurethane, it forms an air-tight barrier that reduces heat loss, enhances comfort, and saves up to £315 annually on energy bills while cutting over 800 kg of CO2 emissions each year.

In this guide, you’ll find a comprehensive overview of spray foam insulation grants available across the UK. Learn how to determine your eligibility based on your home and circumstances, and follow step-by-step instructions to apply.

Are you eager to start saving on energy bills and creating a more sustainable home? Let us help you find up to 3 free quotes from trusted local installers. Avoid the hassle of endless comparisons—simply fill out our quick form, and we’ll handle the rest. Click now to begin!

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Spray foam insulation grant schemes

Spray foam insulation, supported by various UK grants, can significantly reduce your costs. Below, we highlight key schemes, how they work, and their availability across England, Scotland, Wales, and Northern Ireland.

  • ECO4 scheme: The Energy Company Obligation (ECO4) scheme is a government initiative that requires energy companies to provide grants for energy-saving home improvements, including spray foam insulation. To qualify, homeowners or tenants must meet specific eligibility criteria, such as receiving government benefits or being in fuel poverty. This scheme is applicable in England, Scotland, and Wales.
  • The Great British Insulation Scheme: The Great British Insulation Scheme (GBIS) is a UK government initiative to improve the thermal insulation of homes across the UK. It assists low-income and energy-inefficient households by providing insulation upgrades such as spray foam insulation where deemed suitable. A home assessment determines the most effective measure for each property, ensuring the scheme maximises its impact while helping residents reduce energy bills.
  • Green Homes Grant (Northern Ireland): The Green Homes Grant allows residents to apply for energy-saving measures like spray foam insulation in Northern Ireland. This scheme is tailored to local needs and often works through partnerships with local councils. It helps reduce energy consumption and supports sustainability goals specifically for homes in Northern Ireland.
  • LA Flex Scheme: The Local Authority Flexibility (LA Flex) program operates under ECO4 but allows councils to set additional eligibility criteria, such as income thresholds, medical conditions, or other vulnerabilities. It is available in England, Scotland, and Wales, with variations based on council participation, offering flexibility for households that might not qualify under standard schemes.

Are you eligible for spray foam insulation grants?

Understanding your eligibility for spray foam insulation grants can help you maximise available funding. Eligibility is primarily based on income, property energy efficiency, and residency status. Both tenants and homeowners can qualify, but specific conditions may vary. Here’s what you need to know:

  • Low-income households: Grants are often aimed at low-income families or those receiving government benefits such as Universal Credit, Income Support, or Pension Credit. These schemes prioritise making homes more affordable to heat, significantly reducing energy bills for those needing it most.
  • EPC rating: Homes with poor Energy Performance Certificate (EPC) ratings (typically D, E, F, or G) are usually prioritised. Spray foam insulation is a powerful way to improve these ratings, making properties more energy-efficient and reducing heat loss.
  • Tenants vs. homeowners: When it comes to landlord insulation grants, most grants are tailored to owner-occupiers, especially those in older or inefficient homes. On the other hand, tenants can also qualify, but landlord permission is required. Some schemes, such as LA Flex, may allow local councils to include rented properties based on their specific criteria.
  • Eligibility in Northern Ireland: In Northern Ireland, eligibility revolves around the Green Homes Grant. Applicants must meet local requirements, often similar to ECO4, focusing on low-income households and inefficient homes. Local councils may offer additional support for renters and owner-occupiers.

How to apply for a spray foam insulation government grant

Applying for a free insulation government grant for spray foam insulation is a straightforward process that varies slightly depending on the scheme. Follow these steps to get started:

  1. Identify the right scheme: Begin by determining which scheme you qualify for. For example, check your eligibility for ECO4 or LA Flex if you're in England, Scotland, or Wales. In Northern Ireland, explore the Green Homes Grant.
  2. Check eligibility requirements: Review the specific criteria for each scheme, such as income thresholds, EPC ratings, or property type. Ensure you have any necessary documentation, like proof of benefits or property ownership.
  3. barkContact approved providers: Reach out to certified grant providers or local councils. Many schemes work with insulation specialist installers, so choose one from an approved list.
  4. Book a home assessment: Most grants require a free home energy assessment to evaluate your property’s suitability for spray foam insulation. This step determines the grant amount and scope of work.
  5. Approve the plan and installation: Once the assessment is complete, review the proposed plan. After approval, certified installers will carry out the spray foam insulation work.

Getting multiple quotes from trusted, certified installers is key to finding the best value and avoiding unnecessary costs. It allows you to compare services, understand what’s included in your installation, and make a confident, informed decision.

Finding the right spray foam insulation grant can feel overwhelming, but we’re here to make it simple. Fill in our quick form, and we’ll connect you with up to 3 free, no-obligation quotes tailored to your needs from trusted local installers. Avoid the stress of spending hours on research—let us handle the hard work for you. Click below now!

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