Ireland guide

Wall insulation grant in Ireland

Plain-English summary

A wall insulation grant may help with cavity, internal or external wall insulation, depending on the home and current scheme rules.

Who it may apply to

This may apply to homeowners with a property suitable for an eligible wall insulation measure. The correct option depends on wall type, condition, ventilation and moisture risk.

Grant and cost information

Check the current amount on SEAI before publishing. Costs vary by wall area, finish, access, scaffolding, detailing around windows and doors, and whether internal repairs or external works are needed.

How to check eligibility

Official sources

Use SEAI home energy grants and the current SEAI wall insulation guidance.

Last checked: 8 July 2026.

This guide is general information only. Confirm all details with official SEAI sources before applying, booking work or signing a contract.