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FixMyBER

Retrofit plans for detached houses

Each plan puts the work in the order SEAI’s rules need, with the grant for every step and what is left to pay, for the house that published BERs for that age most often describe. Pick the age closest to yours, or answer seven questions for your own.

Walls, grants and what is left to pay, self-managed, for detached houses by age
BuiltWalls, most oftenGrantsYou pay
before 1940solid stone or brick (81%)€22,150€30,623
1940 – 1969solid stone or brick (36%)€30,150€49,123
1970 – 1989filled cavity (62%)€22,150€30,623
1990 – 2006filled cavity (85%)€22,150€30,623
2007 – 2010filled cavity (76%)€16,350€15,570

Self-managed. Grants and costs are SEAI’s published amounts and medians; walls, windows and heating are what published BERs for each age most often record (SEAI BER Research Tool, file of 8 September 2026).