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FixMyBER

Home energy upgrades in Carlow

SEAI’s grants are the same everywhere. The homes are not. Here is what 2,302 published BERs say about homes in Carlow, who SEAI registers to do the work here, and where to start.

Homes in Carlow, from their BERs

Attic short of the grant standard
80%
Heat loss 2.3 or lower
52%
Commonest heating
oil, 41%
Commonest walls
filled cavity, 55%

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 Carlow by type and age
HomeBERsWalls, most oftenAttic shortHeat loss ≤ 2.3
Detached house, before 1940261solid stone or brick 72%97%4%
Detached house, 1970–1989212filled cavity 51%81%6%
Detached house, 1990–2004305filled cavity 79%85%29%
Detached house, 2005–2010243filled cavity 64%87%86%
Semi-detached house, 1990–2004484filled cavity 60%85%48%
Semi-detached house, 2005–2010314timber frame 56%83%97%
Apartment, 1990–2004302filled cavity 58%54%77%
Apartment, 2005–2010181filled cavity 47%56%91%

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 Carlow

1457 companies on SEAI’s registers serve Carlow; 28 are One Stop Shops. Registration is a fact about paperwork; SEAI does not endorse their work, and neither do we.

  • Attic insulation483
  • Cavity wall insulation91
  • Internal wall insulation459
  • External wall insulation171
  • Windows and doors382
  • Heat pumps376
  • Solar panels319
  • Heating controls378
  • Solar hot water153

The companies in Carlow, with their websites

Where to start in Carlow

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?