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FixMyBER

Home energy upgrades in Longford

SEAI’s grants are the same everywhere. The homes are not. Here is what 2,399 published BERs say about homes in Longford, who SEAI registers to do the work here, and where to start.

Homes in Longford, from their BERs

Attic short of the grant standard
65%
Heat loss 2.3 or lower
67%
Commonest heating
oil, 58%
Commonest walls
filled cavity, 46%

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 Longford by type and age
HomeBERsWalls, most oftenAttic shortHeat loss ≤ 2.3
Detached house, before 1940297solid stone or brick 85%97%2%
Detached house, 1970–1989229filled cavity 60%79%7%
Detached house, 1990–2004275filled cavity 91%80%35%
Detached house, 2005–2010321filled cavity 68%79%89%
Semi-detached house, 1990–2004270filled cavity 76%90%75%
Semi-detached house, 2005–2010343timber frame 55%82%98%
Semi-detached house, 2011 on157timber frame 97%1%100%
Mid-terrace house, 2011 on304timber frame 100%0%100%
Apartment, 1990–2004203filled cavity 59%49%74%

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 Longford

1437 companies on SEAI’s registers serve Longford; 24 are One Stop Shops. Registration is a fact about paperwork; SEAI does not endorse their work, and neither do we.

  • Attic insulation480
  • Cavity wall insulation87
  • Internal wall insulation456
  • External wall insulation167
  • Windows and doors378
  • Heat pumps373
  • Solar panels303
  • Heating controls375
  • Solar hot water150

The companies in Longford, with their websites

Where to start in Longford

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?