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FixMyBER

Home energy upgrades in Sligo

SEAI’s grants are the same everywhere. The homes are not. Here is what 3,518 published BERs say about homes in Sligo, who SEAI registers to do the work here, and where to start.

Homes in Sligo, from their BERs

Attic short of the grant standard
79%
Heat loss 2.3 or lower
51%
Commonest heating
oil, 62%
Commonest walls
filled cavity, 60%

A heat loss indicator of 2.3 or lower is what lets a home built before 2007 skip the technical assessment for a heat pump grant. Check yours

Published BERs for homes in Sligo by type and age
HomeBERsWalls, most oftenAttic shortHeat loss ≤ 2.3
Detached house, before 1940397solid stone or brick 85%98%4%
Detached house, 1940–1969175solid stone or brick 40%94%7%
Detached house, 1970–1989314filled cavity 69%82%12%
Detached house, 1990–2004421filled cavity 84%88%43%
Detached house, 2005–2010235filled cavity 89%92%88%
Semi-detached house, 1940–1969156solid stone or brick 56%94%8%
Semi-detached house, 1970–1989245filled cavity 66%85%20%
Semi-detached house, 1990–2004392filled cavity 81%86%68%
Semi-detached house, 2005–2010396filled cavity 63%82%97%
Apartment, 1990–2004401unfilled cavity 43%43%75%
Apartment, 2005–2010386solid stone or brick 51%48%85%

Existing homes assessed since 2019, in groups of at least 150 BERs. SEAI BER Research Tool, file of 8 September 2026. A pattern across homes, not a fact about any one.

Who SEAI registers to work in Sligo

949 companies on SEAI’s registers serve Sligo; 18 are One Stop Shops. Registration is a fact about paperwork; SEAI does not endorse their work, and neither do we.

  • Attic insulation306
  • Cavity wall insulation74
  • Internal wall insulation292
  • External wall insulation104
  • Windows and doors203
  • Heat pumps236
  • Solar panels298
  • Heating controls214
  • Solar hot water89

The companies in Sligo, with their websites

Where to start in Sligo

Worked plans for the commonest age of each type of home here, then your own.

Get the plan for your home

SEAI grant figures as read on 26 September 2026. They are the same in every county. Every grant, and what it pays · What order should a retrofit go in?