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FixMyBER

Home energy upgrades in Kilkenny

SEAI’s grants are the same everywhere. The homes are not. Here is what 3,401 published BERs say about homes in Kilkenny, who SEAI registers to do the work here, and where to start.

Homes in Kilkenny, from their BERs

Attic short of the grant standard
86%
Heat loss 2.3 or lower
45%
Commonest heating
oil, 51%
Commonest walls
filled cavity, 56%

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 Kilkenny by type and age
HomeBERsWalls, most oftenAttic shortHeat loss ≤ 2.3
Detached house, before 1940421solid stone or brick 81%96%5%
Detached house, 1940–1969161filled cavity 42%86%10%
Detached house, 1970–1989333filled cavity 67%76%9%
Detached house, 1990–2004398filled cavity 81%89%37%
Detached house, 2005–2010249filled cavity 73%90%92%
Semi-detached house, before 1940169solid stone or brick 70%94%10%
Semi-detached house, 1970–1989155filled cavity 74%77%17%
Semi-detached house, 1990–2004384filled cavity 62%87%66%
Semi-detached house, 2005–2010340timber frame 58%90%97%
Mid-terrace house, before 1940155solid stone or brick 77%94%16%
Mid-terrace house, 1990–2004168filled cavity 58%92%95%
Apartment, 1990–2004227filled cavity 51%65%80%
Apartment, 2005–2010241filled cavity 75%73%90%

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 Kilkenny

1461 companies on SEAI’s registers serve Kilkenny; 28 are One Stop Shops. Registration is a fact about paperwork; SEAI does not endorse their work, and neither do we.

  • Attic insulation484
  • Cavity wall insulation91
  • Internal wall insulation460
  • External wall insulation171
  • Windows and doors383
  • Heat pumps376
  • Solar panels322
  • Heating controls378
  • Solar hot water153

The companies in Kilkenny, with their websites

Where to start in Kilkenny

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?