Attic Insulation
Up to €2,500Fixed grant values depend on dwelling type. Enhanced attic support can apply to qualifying first-time buyers and certain welfare recipients.
Available home energy grants
SEAI Energy Grants — explained simply
SEAI offers several routes for improving home energy performance: individual upgrades, complete home upgrades through a One Stop Shop, and fully funded measures for certain eligible homeowners.
1Choose individual upgrades
2Consider a One Stop Shop for a deeper retrofit
3Check fully funded supports if eligible
2026 grant snapshot
Popular supports for home energy upgrades
These are headline maximums. Eligibility and final grant amounts depend on your property, the work selected, previous grant history and SEAI rules.
Wall Insulation
Up to €8,000Supports include cavity, internal dry-lining and external wall insulation, with values varying by property type.
Windows & Doors
Up to €4,000 + doorsWindow grants vary by dwelling type. External doors are supported at €800 per door, up to two doors.
Heat Pump System
Up to €12,500The current heat-pump bundle can include the system grant, eligible heating-distribution works and a renewable heat bonus.
Solar PV
Up to €1,800Domestic solar PV support is calculated by installed kWp and is capped at €1,800 in 2026.
Solar Water Heating
€1,200A fixed grant supports eligible solar thermal systems used to provide domestic hot water.
Heating Controls
€700A fixed-value grant supports smart heating controls for eligible homes with existing heating systems.
Post-works BER
€50Certain SEAI Individual Energy Upgrade applications require a post-works BER before grant payment.
SEAI Energy Grant Calculator
Estimate the grants that may be available for your home
Answer a few property questions and choose the upgrades you are considering. The calculator uses published 2026 SEAI Individual Energy Upgrade grant values.
1Your home
2Upgrades
3Details & result
1
Tell us about your home
These two details affect which SEAI supports may apply and the maximum amount available.
What type of home is it?
When was the home built and occupied?
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Important before you start
Grant approval must be in place before eligible works begin. The figures on this page are estimates of published maximum supports; actual eligibility depends on your home, contractor assessment, previous grants and SEAI approval.
Always verify current rules at SEAI.ie ↗€
Home Energy Upgrade Loan
Government-backed low-cost finance is available for qualifying SEAI grant-aided upgrade works. SEAI lists loans from €5,000 to €75,000, with terms up to 10 years; rates vary by participating provider.
Read about the loan scheme ↗A useful starting point
Get an Instant BER Quote →Understand your home with a BER
A BER gives a recognised assessment of your home’s energy performance and its Advisory Report can help identify upgrade priorities. A post-works BER is also required for Individual Energy Upgrade grant drawdown in applicable cases.