..Cert Required - House is in D14, Rathfarnham. House just went through a major renovation. Original BER was very low - an F rating if I recall correctly. 5 bed incl. Attic. Approx 2,400 sq feet in total. Internally insulated. New Gas Boiler, completely rewired and replumbed. Standard Radiator heating system. Underfloor insulation. Requestor has good knowledge of works carried out as he was involved in project management.