Can I Get a Grant for Cavity Wall Insulation?

Matt Keane
June 24, 2024

Are you wondering if you can get a grant for cavity wall insulation to make your home more energy-efficient and reduce your bills? Yes, there are many grants available that can help cover the cost of insulation, making it easier and more affordable for you to improve your home. 

In this blog, we'll explore the different types of grants you might qualify for, how to apply for them, and the benefits of getting cavity wall insulation. We'll also discuss eligibility criteria and potential challenges you might face. 

So, let's get into it!

What is Cavity Wall Insulation?

Cavity wall insulation is a way to make your home warmer and more energy-efficient by filling the gaps between the walls with insulating material. These gaps, or cavities, can let heat escape from your home, causing you to use more energy to keep it warm.

By filling these cavities, you can keep the heat inside, making your home cosier and saving money on energy bills. The insulation also helps reduce noise from outside and can improve the overall comfort of your home.

Why Do Insulation Grants Matter?

Insulation grants offer several important benefits to homeowners, making them a valuable resource for anyone looking to improve their home's energy efficiency.

Financial Assistance for Homeowners 

Grants for cavity wall insulation provide much-needed financial help for homeowners. Insulating your home can be expensive, but grants can cover a significant portion, if not all, of the costs.

This financial support makes it easier for families to afford this important home improvement.

Encouragement for Eco-Friendly Home Improvements 

Grants are designed to encourage homeowners to make eco-friendly changes to their homes. Insulating your walls reduces the amount of energy needed to heat your home, which in turn lowers your carbon footprint.

By providing grants, governments and organisations promote greener living and help protect the environment.

Impact on Energy Bills and Property Value 

Installing cavity wall insulation can lead to significant savings on your energy bills. When your home is well-insulated, it retains heat better, meaning you spend less on heating.

Over time, these savings can add up, making a big difference to your household budget. Additionally, a well-insulated home can increase your property’s value, making it a smart investment for the future.

What Types of Grants Are Available For Cavity Wall Insulation?

There are several types of grants available in Ireland to help with the cost of cavity wall insulation. These grants can come from different sources, such as government schemes, local authorities, and energy suppliers.

Government Schemes 

In Ireland, the government offers several grants for home insulation through the Sustainable Energy Authority of Ireland (SEAI). These grants can cover a large part of the cost of cavity wall insulation.

Homeowners can apply for these grants to make their homes more energy-efficient and reduce heating costs.

Local Authority Grants 

Some local authorities in Ireland provide grants for home insulation. These grants are often aimed at low-income households and can help cover the cost of cavity wall insulation.

It’s worth checking with your local council to see what grants might be available in your area.

Energy Supplier Grants 

Energy suppliers in Ireland, as part of their energy-saving obligations, offer grants and discounts for home insulation.

These grants can help reduce the upfront costs of installing cavity wall insulation. Contacting your energy supplier can provide more information on the grants they offer.

How to Apply for Insulation Grants?

Applying for insulation grants can seem complicated, but breaking it down into steps makes the process much easier.

Research and Choose the Right Grant 

Start by researching the different grants available for cavity wall insulation in Ireland. Look at government schemes, local authority grants, and energy supplier grants to find the one that best suits your needs.

Each grant will have different eligibility criteria and benefits, so it’s important to find the right fit for your situation.

Check Eligibility Criteria 

Once you have identified the grants you are interested in, check the eligibility criteria for each. Some grants may be aimed at low-income households, older properties, or specific regions.

Make sure you meet the requirements before applying to save time and ensure your application has the best chance of being approved.

Gather Necessary Documentation 

Before you apply, gather all the necessary documentation. This may include proof of income, property ownership, and energy bills. 

Having these documents ready will make the application process smoother and quicker, reducing the chances of delays or issues.

Submit Your Application 

Submit your application through the appropriate channels. For government grants, you will likely apply through the SEAI website. For local authority grants, contact your local council. For energy supplier grants, reach out to your energy provider. 

Follow the instructions carefully and provide all required information to ensure your application is complete and accurate.

Follow Up and Complete the Work 

After submitting your application, follow up to check on its status. Once approved, you can proceed with the insulation work. Make sure to use a registered and reputable contractor to carry out the installation. 

After the work is completed, you may need to provide proof of the work to receive the grant funding. Keeping track of your application status and following through with necessary steps ensures you get the financial support you need.

What Are the Eligibility Criteria for Insulation Grants in Ireland?

Understanding the eligibility criteria for insulation grants in Ireland is important to ensure your application is successful.

Income Thresholds 

Many grants are aimed at low-income households to help those who may struggle to afford insulation costs. Check the specific income thresholds for each grant program to see if you qualify.

Providing proof of income, such as pay slips or tax returns, will be necessary.

Property Types 

Certain grants are available only for specific types of properties. Older homes or properties that have poor energy ratings are often prioritised.

Make sure your property type meets the criteria outlined by the grant provider. You may need to provide details about your home’s age and structure.

Geographic Location 

Some grants are targeted at specific regions or localities within Ireland. Local authority grants, for example, may only be available to residents of certain areas.

Verify that your home is located in a qualifying region before applying.

Other Specific Requirements 

Different grants may have unique requirements, such as the need for an energy assessment or a commitment to other energy-saving improvements.

Carefully read the guidelines for each grant to ensure you meet all the necessary conditions.

What Additional Financial Support Options Are Available?

If you don’t qualify for a grant, there are other financial support options to help with the cost of cavity wall insulation.

Low-Interest Loans 

Several financial institutions offer low-interest loans for energy-efficient home improvements.

These loans can help spread the cost of insulation over time, making it more affordable. Check with your bank or credit union for available loan options.

Tax Incentives and Rebates 

The Irish government provides tax incentives and rebates for energy-efficient home improvements. These incentives can reduce the overall cost of installing cavity wall insulation.

Make sure to keep all receipts and documentation to claim these benefits when filing your taxes.

Energy Supplier Discounts 

Some energy suppliers offer discounts or rebates for customers who improve their home’s energy efficiency. These programs often require an energy assessment and proof of completed work.

Contact your energy supplier to see what discounts or rebates they offer for insulation projects.

Community and Non-Profit Programs 

In some areas, community groups and non-profit organisations offer financial assistance or free insulation services to eligible households.

These programs are often funded by charitable donations and government grants. Check with local community centres or non-profits to see if such programs are available in your area.


Getting a grant for cavity wall insulation can make your home more energy-efficient and save you money on energy bills. By understanding the types of grants available, how to apply for them, and the eligibility criteria, you can take advantage of these opportunities.

If you don't qualify for a grant, consider other financial support options, like low-interest loans and tax incentives. 

Looking to improve your home's insulation? Contact BuildPro for expert cavity wall insulation services and a warmer, more cost-effective home.

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