SEAI grants for older homes in Ireland

Last reviewed: October 2026

Age is a starting point, not an assessment

A pre-2000 house, including a home built in the 1960s, 1970s or 1980s, may fall within several grant age cutoffs. That does not show which insulation is suitable, whether previous work was funded or whether its heating is ready for a heat pump. A well-upgraded 1970s house and an unrenovated house of the same age can need very different projects.

Start with the current BER and Advisory Report, records of previous works and a condition survey. Use the BER-guided plan to review recommendations, or the calculator to build a project from known details.

Which age rules matter?

• Insulation, windows, external doors, heating controls and the OSS route generally require construction and occupancy before 2011.
• Heat-pump grants require construction and occupancy before 2021.
• Solar PV, solar thermal and battery support use construction and occupancy before 2025.

These are different cutoffs, not a single “older home” scheme. Verify first occupancy as well as the construction year. A converted building, long-vacant property or undocumented date needs specific confirmation. The main grants guide sets out amounts and source links; unknown facts do not become confirmed eligibility.

Assess roof and walls before selecting insulation

Ceiling-level attic insulation and rafter insulation address different roof arrangements. Check ventilation, roof leaks, access, tanks and the intended use of the roof space. Insulating at the wrong level can leave the intended heated space outside the design.

A house from these decades may have a cavity, a solid wall or a mixture. Cavity insulation requires a suitable cavity and assessment. External insulation needs details around eaves, openings and services; internal dry lining affects room space and finishes. Wall-grant rules require an appropriate whole-surface solution.

Resolve damp and defects and obtain advice on moisture movement, ventilation and thermal bridges. For traditional solid-wall or protected buildings, ask for a construction-specific approach and check any permissions before choosing a standard modern build-up. SEAI’s SEAI One Stop Shop: eligibility, services and grant schedule includes traditional-home guidance.

Older glazing and fossil-fuel heating

The windows and doors guide covers scope and detailing. Grant eligibility also depends on fabric or heat-loss evidence and qualifying replacements, not just the age of the glazing. Plan insulation and ventilation alongside replacement windows.

A heat pump needs a design that addresses heat loss, radiators or underfloor distribution, hot water and controls. Fabric-first planning means checking the building’s losses before sizing equipment; it does not mean every older house must receive every insulation measure.

SEAI’s current rules allow some pre-2007 homes with valid BER heat-loss evidence to use self-declaration instead of a technical assessment. Others need assessment. Follow SEAI heat pump systems and scrappage for the applicable path. If replacing eligible heating, read the conditional boiler scrappage guide; do not budget for the full bundle automatically.

Solar and storage can be a separate decision

Solar PV suitability depends on roof condition, orientation, shading, usable area and electricity needs. Check whether roof repairs should precede installation. A battery needs compatible equipment and a useful capacity for your usage; the €600 grant requires at least 5 kWh and does not grow with battery size.

Choose an achievable sequence

Survey first, address defects, coordinate fabric and ventilation, then design heating around the intended improved house. Consider solar alongside roof work. Use the cost guide to include remedial and finishing work, then compare a staged Individual route with an assessed OSS package.

An old house does not automatically receive more funding. Ownership, prior grants, technical compliance, household-specific conditions and approval before works remain relevant. Final support is decided through SEAI’s process.

Official sources

Official grant information checked on 7 October 2026. Follow the measure-specific rules and your grant offer; announcements may precede detailed implementation guidance.

• SEAI home energy grants
• SEAI attic insulation and first-time-buyer enhancement
• SEAI wall insulation
• SEAI windows and doors
• SEAI heat pump systems and scrappage
• SEAI solar electricity
• SEAI battery energy storage
• SEAI One Stop Shop: eligibility, services and grant schedule

Read our Methodology & data sources or view all guides for the assumptions behind DanannIQ estimates.