Attic insulation is one of the smartest upgrades you can make to your home in Dublin. With rising energy prices across Ireland, keeping your home warm and your heating bills low is more important than ever. In 2025, many homeowners in Dublin are looking into attic insulation to improve comfort, reduce energy waste, and save money. But one of the most common questions is: How much does attic insulation cost in Dublin in 2025?
This article explains the cost of attic insulation, the factors that affect the price, and what you can expect when planning your budget. We’ll keep things simple and focus only on cost, not types or installation details.
Average Cost of Attic Insulation in Dublin (2025)
As of 2025, the average cost of attic insulation in Dublin ranges from €800 to €1,800, depending on the size of your attic and the amount of insulation needed.
For most standard three-bedroom homes, the cost typically falls between €1,000 and €1,400. Smaller homes might cost less, while larger houses with bigger attics can go over €1,800.
Here’s a quick estimate based on attic size:
| Attic Size | Estimated Cost (2025) |
|---|---|
| Small Attic (20-30 m²) | €800 – €1,000 |
| Medium Attic (35-45 m²) | €1,000 – €1,400 |
| Large Attic (50+ m²) | €1,400 – €1,800+ |
These prices include materials and labour. However, keep in mind that every home is different, and exact prices will depend on a few factors explained below.
What Affects the Cost of Attic Insulation in Dublin?
While average prices give a rough idea, several things can change the cost of insulating your attic in Dublin:
1. Size of Your Attic
The bigger your attic, the more insulation material you’ll need. Labour costs also rise with larger spaces because it takes more time to complete the job.
2. Access to the Attic
If your attic is hard to access or has tight spaces, the job becomes more difficult for installers. This may slightly increase labour charges. Homes with very low roofs or limited entry points might require extra effort or equipment.
3. Condition of the Attic
Before installing insulation, the area should be clean and dry. If your attic has moisture, old insulation that needs removing, or pest problems, it will cost more to prepare the space.
4. Insulation Depth Needed
In Ireland, the recommended depth for attic insulation is usually around 300mm (30cm). If your attic has no insulation or very old insulation, installers will need to add more material, increasing the cost.
5. Installer Rates
Different companies in Dublin offer different prices. Some include VAT and waste removal, while others charge separately. It’s a good idea to get 2–3 quotes before choosing an installer.
SEAI Grants for Attic Insulation
The Sustainable Energy Authority of Ireland (SEAI) offers home energy grants, which can reduce your insulation costs significantly.
In 2025, you can receive up to €1,300 towards attic insulation through the SEAI Home Energy Grants scheme, depending on your home type:
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Detached house: €1,300
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Semi-detached/end of terrace: €1,200
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Mid-terrace: €1,000
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Apartment: €800
This grant helps homeowners reduce the total cost of attic insulation and improve their home’s energy rating. To qualify, you must use a registered SEAI contractor and meet the guidelines provided by SEAI.
You can apply online through the SEAI website or ask your installer to help with the application process.
Long-Term Savings
While attic insulation in Dublin might cost around €1,000–€1,400 upfront, the long-term savings on your heating bills can be significant. On average, homeowners in Ireland save around €300–€600 per year after installing proper attic insulation.
Over 5 years, that’s potentially €1,500–€3,000 in savings — much more than the original cost. Not only does it save money, but it also keeps your home warmer in winter and cooler in summer, making it more comfortable year-round.
Tips to Get the Best Price in Dublin
If you’re planning to insulate your attic in 2025, here are some tips to keep the cost reasonable:
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Compare Quotes – Don’t go with the first quote. Get 2–3 quotes from trusted installers in Dublin.
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Check SEAI Registered Contractors – Only SEAI-approved installers can offer grants. Make sure to work with one.
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Ask About Extras – Check if the quote includes VAT, waste removal, and any prep work.
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Book Early – As energy prices rise, more people are booking insulation services. Early bookings may get better deals.
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Look for Local Installers – Local companies might offer better rates compared to national chains due to lower travel and service costs.
Conclusion
Attic insulation is a smart investment for any Dublin homeowner. It improves energy efficiency, keeps your home warm, and cuts heating bills over time. In 2025, you can expect to pay around €1,000 to €1,400 for a typical attic, but your final price may vary based on your attic size and home conditions.
Don’t forget to check if you’re eligible for an SEAI grant, which can cover up to €1,300 of the cost — making attic insulation even more affordable.
With rising energy costs in Ireland, insulating your attic is not just a home upgrade — it’s a way to protect your wallet and future-proof your home.