Yeah - similar information sometimes (I had to check several listings before I found one with this info) exists when looking for flats in Germany. See, e.g., ht

Yeah - similar information sometimes (I had to check several listings before I found one with this info) exists when looking for flats in Germany. See, e.g., https://www.immobilienscout24.de/expose/96661853?referrer=RESULT_LIST_LISTING&navigationServiceUrl=%2FSuche%2Fcontroller%2FexposeNavigation%2Fnavigate.go%3FsearchUrl%3D%2FSuche%2FS-T%2FWohnung-Miete%2FUmkreissuche%2FM_fcnchen_2dMaxvorstadt%2F80335%2F114221%2F2028686%2FSeidlstra_dfe%2F-%2F20%2F3%2C00-%26exposeId%3D96661853&navigationHasPrev=true&navigationHasNext=true&navigationBarType=RESULT_LIST&searchId=4c1f5bf4-5e75-33dd-9c57-cb1c147d1606#/ https://www.immobilienscout24.de/expose/96661853?referrer=RE... Under "Bausubstanz & Energieausweis" it lists the energy required to heat the apartment in kWh/m^2. (I don't live in Germany, but have been considering moving).