Leitrim and Roscommon are the counties that have the most energy inefficient properties while Kildare comes in tops as the most energy efficient county.
This is according to a joint survey by Wizer Energy and Digital Funnel by analysing the most recent CSO figures.
Leitrim and Roscommon homes come in with 12 G rated homes as Tipperary follows closely behind with 11 G rated homes, while Offaly and Mayo feature with 10 apiece. Cavan, Westmeath and Longford all have nine G rated homes in their counties.