Wall insulation contractors in Leitrim
9 SEAI-registered installers in Leitrim. Compare contractors, check grant eligibility and get in touch directly.
SEAI-approved wall insulation contractors in Leitrim
Wall insulation contractors in Leitrim are registered under the SEAI Better Energy Homes scheme, with 9 approved installers covering cavity wall, external wall and dry-lining across Connacht. All are eligible to carry out grant-assisted works and handle the SEAI application on your behalf, so the grant is deducted directly from your invoice.Specialists in cavity wall (2 contractors), external wall insulation (6), dry-lining (8) are included in the listings.
SEAI grants in Leitrim range from €1,700 for cavity wall up to €8,000 for external wall insulation. Most homes built before 2011 qualify. Browse the listings below and use our SEAI grant guide to confirm your eligibility.
SEAI Better Energy Homes 2026
SEAI grants for wall insulation in Leitrim
All contractors listed here are registered under the SEAI Better Energy Homes scheme. They carry out grant-eligible wall insulation works and handle the SEAI application so the grant is deducted directly from your invoice.
- No income test: open to all homeowners
- Houses built and occupied before 2011 are eligible
- Grant deducted at invoice stage, you pay the balance only
- Combine multiple measures for a higher total grant
Wall insulation in Leitrim
Homes across Leitrim are eligible for SEAI Better Energy Homes grants for cavity wall, external wall and dry-lining insulation. Most properties built before 2011 qualify, and there is no income test. The grant is available to all eligible homeowners regardless of income.
The contractors listed above are SEAI-registered and can advise on which type of insulation suits your property in Leitrim. They handle the full SEAI grant application on your behalf, so the grant amount is deducted directly from your bill at the end of the project.
Which type of insulation suits your home?
Cavity wall insulation suits homes built after 1930 with a clear, dry cavity. It is the most affordable option and is typically completed in a single day. External wall insulation is suitable for any wall type and delivers a larger thermal improvement, but costs more and takes longer to install.
Before you call a contractor, read our cavity wall insulation guide or external wall insulation guide to confirm which type suits your home. Our SEAI grant guide explains the full process, and the 2026 cost guide covers typical prices before and after grant.
Insulation guides for Leitrim homeowners
Understand your options, check grant amounts and learn what to expect before you hire a contractor.
