External Wall Insulation

Upgrading to external wall insulation (EWI) is like wrapping your home in a thermal blanket. This added layer allows your existing structure to retain heat more effectively, creating a more consistent and stable indoor temperature throughout the year.

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An EWI system is made up of tested components designed to insulate the outside of your property. It’s a smart, long-term investment that delivers immediate benefits. From the moment it’s installed, you’ll enjoy a warmer, more comfortable home—and start saving on energy bills right away.


The process involves fixing insulating boards to the exterior walls of the building, which are then finished with a protective and decorative render. This system shields your home from changing weather conditions, cuts down heat loss, and helps maintain a steady internal climate. EWI not only keeps your home warm during the winter months but also helps it stay cooler in the summer, reducing extreme indoor temperature swings.


In addition to improving comfort, EWI significantly lowers the energy required for heating and cooling, making your home more energy-efficient. It’s especially beneficial for older properties or buildings without cavity walls, offering a modern solution to traditional construction challenges.

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SEAI GRANT ASSISTANCE

Potential SEAI Funding Amounts

The SEAI Provide funding though grants to cover or supplement the cost of upgrade works. You can find more information on the levels of funding based on your property via the SEAI website.

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