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FixMyBER

Home energy upgrades in Wicklow

SEAI’s grants are the same everywhere. The homes are not. Here is what 7,298 published BERs say about homes in Wicklow, who SEAI registers to do the work here, and where to start.

Homes in Wicklow, from their BERs

Attic short of the grant standard
86%
Heat loss 2.3 or lower
41%
Commonest heating
gas, 45%
Commonest walls
filled cavity, 43%

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 Wicklow by type and age
HomeBERsWalls, most oftenAttic shortHeat loss ≤ 2.3
Detached house, before 1940556solid stone or brick 78%96%6%
Detached house, 1940–1969297unfilled cavity 28%91%6%
Detached house, 1970–1989678filled cavity 47%87%9%
Detached house, 1990–2004927filled cavity 70%89%29%
Detached house, 2005–2010315filled cavity 51%90%86%
Semi-detached house, before 1940369solid stone or brick 71%96%5%
Semi-detached house, 1940–1969264unfilled cavity 40%92%8%
Semi-detached house, 1970–1989670hollow block 44%88%14%
Semi-detached house, 1990–2004704filled cavity 68%94%52%
Semi-detached house, 2005–2010354timber frame 49%88%96%
Mid-terrace house, before 1940306solid stone or brick 79%98%10%
Mid-terrace house, 1970–1989166filled cavity 38%89%40%
Mid-terrace house, 1990–2004259filled cavity 61%96%91%
Mid-terrace house, 2005–2010200timber frame 44%91%99%
Apartment, 1990–2004612filled cavity 41%59%78%
Apartment, 2005–2010621solid stone or brick 47%55%92%

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 Wicklow

1473 companies on SEAI’s registers serve Wicklow; 28 are One Stop Shops. Registration is a fact about paperwork; SEAI does not endorse their work, and neither do we.

  • Attic insulation486
  • Cavity wall insulation91
  • Internal wall insulation462
  • External wall insulation172
  • Windows and doors383
  • Heat pumps378
  • Solar panels329
  • Heating controls379
  • Solar hot water154

The companies in Wicklow, with their websites

Where to start in Wicklow

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?