A new ‘A0’ class is to be introduced for specially low-emission homes that do not use fossil fuels

BER is the measurement of a residential building’s energy performance. Photo: Getty
The Government is to introduce a new simplified Building Energy Rating (BER) for residential properties next month as the EU moves to standardise the measurement across the bloc.
BER is a measure of the energy performance of a building and allows prospective buyers or tenants to objectively compare its energy performance with different dwellings on a like-for-like basis.