Attic insulation is consistently the single most cost-effective energy upgrade you can make to a home in Ireland. The science is simple — heat rises, and in an inadequately insulated house, a significant proportion of that heat passes straight through the ceiling and out through the roof. You are essentially heating the sky.
A properly insulated attic changes that, keeping warmth where it belongs — in your living spaces — and reducing the amount of fuel you burn to replace the heat that leaks away.
For Meath homeowners, attic insulation is particularly worthwhile. County Meath gets its share of cold winters, and older housing stock across the county — built in the 1970s, 1980s and 1990s — typically has inadequate insulation by current standards, or insulation that has deteriorated and settled over years of use.
Mr Clean Roofing installs attic insulation across County Meath to current Irish building regulation standards. Because we are roofers by trade, we also carry out any necessary roof-related preparation work as part of the same visit — checking ventilation, identifying any issues with the roof structure that should be addressed before insulation goes in, and ensuring the finished installation performs as it should.
SEAI grants towards the cost of attic insulation were increased in February 2026 and are available to most Meath homeowners. We can advise you on eligibility and help you understand the process.
The SEAI increased grant amounts for attic insulation in February 2026 as part of Ireland's National Residential Retrofit Plan. These are the current grant amounts available to eligible Meath homeowners:
First-time buyers can access an enhanced attic insulation grant of up to €2,500 — significantly higher than the standard amount.
Homeowners on qualifying welfare payments may be eligible for an enhanced grant that covers close to or all of the typical cost of the installation.
To be eligible your home must:
How the grant works: You apply to SEAI for grant approval before work starts. Once the work is completed and documented, the grant is paid directly to you. Alternatively, a One Stop Shop contractor can manage the application and deduct the grant upfront from your payment — meaning you pay only the balance from day one.
The SEAI estimates that for most home types, the 2026 grant now covers approximately 80% of the average cost of an attic insulation installation. For many Meath homeowners the out-of-pocket cost after the grant is modest.
Current Irish building regulations and SEAI grant requirements specify a minimum of 300mm of mineral wool insulation. This is typically installed as 100mm between the joists and 200mm across the joists in the perpendicular direction, eliminating cold bridges at the joist positions. Many older homes have only 100mm or less of settled, compacted insulation — well below the current standard.
Most Meath homeowners whose homes were built and occupied before 2011 are eligible for the SEAI attic insulation grant. The 2026 grant amounts are the highest ever available — up to €2,000 for a detached home and €1,300 for a semi-detached. First-time buyers can access up to €2,500. You must use an SEAI-registered contractor and have grant approval in place before work starts. We can advise you on eligibility during your free survey.
A standard attic insulation installation on a 3 or 4-bedroom home typically takes one day. Larger or more complex attic spaces may take a day and a half. We will give you a realistic timeframe during your survey.
Correctly installed attic insulation does not cause dampness — in fact it typically reduces condensation issues by maintaining a more consistent internal temperature. The key is correct installation with adequate roof ventilation maintained above the insulation level. We check ventilation as part of every survey and installation.
Not necessarily replaced, but almost certainly topped up. Insulation installed before the mid-2000s is typically 100mm or less, well below the current 300mm standard. Settled or compressed insulation also performs below its original specification. In most cases the existing insulation can be left in place and new insulation installed on top to bring the total to the required depth.
The main requirements are clear access to the attic space and any electrical or plumbing work in the attic completed before insulation goes in. We will carry out a pre-installation survey and flag anything that needs to be done beforehand.
Attic insulation is one of the most straightforward and cost-effective improvements you can make to your home — and with SEAI grants covering the majority of the cost for most Meath homeowners in 2026, there is no better time to do it. Call us for a free survey and written quote.
Call 083 176 3799 Or fill in our contact form and we will get back to you within a few hours.
Mr Clean Roofing is a fully insured roofing contractor based in Co. Meath, Ireland. We specialise in roof repairs, new roof installations, slate roofing, flat roofing, chimney repairs, fascias and gutters, Velux skylight repairs, attic insulation and roof cleaning with softwashing across County Meath, North County Dublin and Co. Louth. Serving Navan, Ashbourne, Ratoath, Dunshaughlin, Drogheda, Kells, Trim, Dunboyne, Slane, Athboy and surrounding areas. Call 083 176 3799 for a free no-obligation quote.
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