Add up insulation grants

Pick your house and the upgrades you are considering. The total updates as you choose, for each SEAI (Sustainable Energy Authority of Ireland) grant route.

Your house

DetachedSemi-detached or end-terraceMid-terraceApartment

Upgrades you are considering

Choose any. The three wall types are alternatives for the same walls, so choosing one clears another. Floor and rafter only have a grant through the One Stop Shop.

AtticCavity wallInternal wall (dry-lining)External wallFloorRafter (sloping roof)

Grant amounts: SEAI Better Energy Homes homeowner application guide and One Stop Shop scheme page, checked 29 October 2026. Costs: SEAI individual upgrade median costs.

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