According to the CSO 10% of the 34,580 dwellings with a BER figure in the Premier county are rated at G.
Just Roscommon and Leitrim fare worse at 12 and 11% respectively.
Just 5% of houses in the Premier County achieved an A rating with only Leitrim, Longford and Cork City lower.
At 25% Kildare was the county with the highest level of A ratings.
Meanwhile oil is the most common heating source in Tipperary accounting for 62% of homes followed by electricity at 15%, mains gas at 13%, solid fuel at 9 and LPG used to hear just 1% of homes in the Premier.