There is little difference between rented and owner-occupied apartments in terms of energy efficiency. This is the conclusion reached by the "RWI - Leibniz Institute for Economic Research". On average, the difference is only 1.8 percent in terms of energy consumption per square meter. According to the researchers, this corresponds to a difference of two kilowatt hours per square meter.
If you compare a 75 square meter rental apartment with a 75 square meter owner-occupied apartment, tenants would have to pay around 30 euros more per year than owners. The results suggest that owners are prepared to invest in better energy efficiency.
The "RWI - Leibniz Institute for Economic Research" has also identified reasons for this: apartment buildings are often occupied by both owners and tenants. In addition, many tenants live in larger apartment buildings. Renovation costs are shared and, according to the researchers, these tend to fall for many measures. The data relates to rental and owner-occupied apartments that were newly offered on the real estate market between 2019 and 2021.
Source and further information: rwi-essen.de
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