Number of energy performance certificates (EPC) of residential buildings in Flanders, Belgium as of May 2025, by energy efficiency rating (in 1,000s)

Most of the energy performance certificates (EPC) for housing issued in Flanders (Belgium) as of May 2025 had a rating of * and * . Nevertheless, the distribution was very different for each type of residential building, showing that apartments tended to be on average more energy efficient than single-family homes. In fact, most single-family homes had an * rating.