How Much Does It Cost to Insulate a House in Ireland?

Matt Keane
December 23, 2023

Hey there! Are you thinking about insulating your house in Ireland but worried about how much it might cost? You're in the right place! In today's blog, we're going to talk all about insulating your home—but in a way that's easy to understand and will be budget-friendly for you.

Insulation is all about keeping your house warm and cosy, especially during those chilly Irish winters. It's also a great way to save money on your energy bills. But, before you start, you might be wondering, "How much is this going to cost me?" We get it; money matters, and that's why we’re here to help.

We'll walk you through the different types of insulation, what you can expect in terms of costs, and why investing in insulation can be a smart move. Whether you live in a small apartment or a big family house, we've got you covered with all the information you need.

So, sit back, relax, and let’s dive into the world of home insulation in Ireland. It’s easier than you think, and we’re here to guide you every step of the way!

Types of Insulation and Their Costs

When it comes to insulating your home in Ireland, there are various types of insulation to consider, each with their own associated costs. From loft and cavity wall insulation to external and internal wall insulation, as well as floor insulation, understanding the different options available can help you make an informed decision for your home.

Loft insulation

Loft insulation is a smart move for us to keep our homes warm and trim down on energy bills. It's like putting on a cosy hat for our houses so heat doesn't escape through the roof.

We can often find this type of insulation at good prices, which makes it very popular among homeowners in Ireland.

For the attic space alone, we might spend anywhere from €800 to €1000 to have it insulated properly. This cost feels even lighter when we think about how much money we can save on heating over time.

Plus, if a SEAI-approved installer does the job, there might be grants that help cover some of the costs too!

Cavity wall insulation

Cavity wall insulation can cost between €7 and €10 per metre for a typical semi-detached house in Ireland. This means the total cost can range from €550 to €950. Proper insulation helps keep your home warm and reduces heating bills.

Remember, having an adequately insulated home can also make you eligible for grants, so it's worth exploring this option before making a decision on cavity wall insulation.

Next, let's talk about external wall insulation and its associated costs.

External wall insulation

Moving on to the next type of insulation, external wall insulation, is a great way to improve the energy efficiency of your home. It can cost between €6500 and €8000 for a mid-terrace house and as much as €17,500 and €20,000 for an end-of-terrace property in Ireland.

The cost per square metre generally ranges from €80 to €120 for rigid board insulation. However, it's important to note that there is a potential SEAI grant of up to €2,700 available for full external wall insulation by approved installers.

Insulating the exterior walls can significantly reduce heat loss and lower your energy bills while making your home more comfortable. Consider exploring this option with the help of professional guidance and making use of available grants to offset some costs if you're considering this upgrade for your home.

Internal wall insulation

Now, let's talk about internal wall insulation. For a 3-bed semi-detached house, the cost of internal wall insulation can vary from around €800 to €1000. It's important to note that potential grants are available for this work if it's done by a SEAI-approved installer.

The installation will help make your home more energy-efficient and reduce heating costs.

In addition, rigid board insulation for internal walls generally ranges from €80 to €120 per square metre. This investment will not only save you money on energy bills but also make your living space more comfortable throughout the year.

Floor insulation

When considering home insulation, floor insulation is another important aspect to think about. The cost of insulating a floor in Ireland can vary based on the size of the house and the type of material used.

For instance, for an average-sized semi-detached home, the cost can range from €800 to €1200. It's essential to explore different insulation materials and their costs, as well as potential grants available to help offset these expenses.

Factors such as thermal insulation and energy efficiency grants are crucial considerations when planning for floor insulation. Effective floor insulation not only helps in retaining heat within your house but also contributes significantly towards reducing heating costs and enhancing overall energy efficiency.

Factors Affecting the Cost of Insulation

The size of your house and the type of insulation material you choose can greatly affect the overall cost. Additionally, deciding whether to hire a professional or take on a DIY project will also impact the expenses.

Size of the house

The size of your house is a significant factor in determining the cost of insulation. For instance, the cost of insulating a 3-bed semi-detached house may range from €800 to €1000.

Larger homes will require more materials and labour, which can increase the overall expense significantly. Similarly, small apartments will have lower insulation costs than larger houses.

Therefore, it's important to consider the size of your property when budgeting for insulation expenses.

Insulation prices in Ireland can vary depending on the type and size of the property. For example, cavity wall insulation typically costs between €550 and €950 for a typical semi-detached house, while external wall insulation ranges from €6500 to €8000 for a mid-terrace house to as much as €17,500 to €20,000 for an end-of-terrace property.

Types of insulation material

When considering the type of insulation material, it's important to choose the most suitable option for your home. Depending on the area being insulated, different materials may be required.

For example, cavity wall insulation typically uses materials like mineral wool or polystyrene beads, while loft insulation commonly involves materials such as glass wool or rock wool.

External wall insulation often uses expanded polystyrene (EPS) boards or mineral wool slabs, providing a range of options to suit different needs and budgets.

It's essential to select an insulation material that best meets the specific requirements of each area of your home. Additionally, considering factors such as durability and energy efficiency can help ensure long-term cost savings and comfort for your household.

Hiring a professional vs. DIY

When considering insulating your home, it's essential to weigh the pros and cons of hiring a professional versus taking the DIY route. While hiring a professional ensures expertise and quality installation, it may come with higher upfront costs.

On the other hand, opting for a DIY approach can potentially save money but requires time, effort, and necessary skills. Considering SEAI grants for professional work could offset some costs, making it a compelling option.

However, if you have the skills and confidence to tackle insulation yourself, this could be a cost-effective solution. It's vital to assess your capabilities and budget before deciding on the best approach for your home insulation project.

Grants Available for Insulation

If you're looking to save on insulating your home, there are a number of grants available through the SEAI. These grants can help offset the expense of insulation and improve the energy efficiency of your home.

SEAI grants

We should explore the SEAI grants to help with insulation costs. Depending on the work, homeowners can get up to €2,700 for wall insulation and up to €4000 for attic insulation.

This could significantly reduce the overall cost of insulating your house. To apply for these grants, make sure you use an approved contractor and follow the application process on the SEAI website.

Once we know about available grants, let's delve into understanding our options for home insulation.

Eligibility criteria

To be eligible for SEAI grants, we need to meet certain criteria. For example, the homeowner must own a property built before 2006 to qualify for external wall insulation grants. Additionally, using an SEAI-approved contractor is necessary to receive these grants.

It's also important to note that different types of properties may have different eligibility requirements, so it's essential to check with SEAI or your local authority beforehand.

Meeting these criteria can help homeowners take advantage of available grants and reduce the cost of insulating their homes.

How to apply

To apply for a SEAI grant, you will need to follow these steps:

  1. Check your eligibility. Ensure that you meet the criteria for the grant, including using a SEAI-approved contractor and having a BER assessment.
  2. Get quotes: Obtain quotes from several registered contractors who have been approved to carry out the work under the grant scheme.
  3. Apply online: Complete the online application form on the SEAI website, providing all necessary details and attaching the required documents.
  4. Await approval:After SEAI has reviewed your application, you will receive a letter of offer outlining the grant amount and terms.
  5. Commence work: Upon acceptance of the grant offer, engage a registered contractor to carry out the insulation work in line with SEAI standards and guidelines.
  6. Claim reimbursement: After completion of the work, submit all required documentation to SEAI for review and claim reimbursement for the agreed grant amount.

Final Verdict!

Insulating a house in Ireland offers both budget-friendly and premium options. The cost varies with the type of insulation chosen. Homeowners can lower expenses by considering SEAI grants or DIY methods. Insulation not only reduces bills but also benefits the environment. 

For professional insulation services, BuildPro connects you with skilled tradesmen for home renovations, extensions, or new builds. Visit BuildPro for expert guidance and to find quality professionals for your home insulation needs, ensuring energy efficiency and quality results.

Need assisstance?

Contact Build Pro now and Get Free Advice & Quote For Your Home Improvement Project.
Contact BuildPro

Contact With Us Today!

Tell us about your home improvement project and our client manager Fidelma will contact you within 24 hours to discuss your project.

Check - Elements Webflow Library - BRIX Templates

Thank you

Please check your inbox to download your Free EBook!
Oops! Something went wrong while submitting the form.
*FYI, parts of this blog post were drafted by artificial technlogy. But rest assured, it's been thoroughly researched, edited, reviewed and me & my team.

How to clone into other project?

  • Press "Ctrl + E" or "Cmd + E" in the Designer and enable "Select on-page element".

  • Search for the class named, "Cloneable Area".

  • Copy the element inside this container to your own project.

  • Rename the classes accordingly if they are clashing with your project.

  • Ensure custom code from the in-page setting has been copied into your project as well (if there's any).

  • 'Page Trigger' interaction can't be copied directly. You can only clone the whole project, or rebuild it.
    A simple trick to copy the 'Page Trigger' interaction into another project is as below:

    1. Create a dummy element.
    2. Apply any type of 'Element trigger' into the dummy element and select the 'Page Trigger' animation.
    3. Copy the dummy element with the animations applied into your new project.
    4. The animation should have been copied into your project and you can reapply the 'Page Trigger' animation into your project.

  • If you have further inquiry or need assistance, feel free to contact us.

  • Lastly, please do not copy this project and claim it as your own. We wish to continue sharing and giving to the community. In order to do so, we will need your cooperation and full support. Thank you very much,