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Abstract:
Efficiency measures are insufficient for achieving greenhouse gas neutrality in the residential sector. Additional efforts are needed, with the concept of sufficiency gaining increasing attention. Sufficiency targets demand side and behavioural change, while delivering wellbeing. Reducing living space per capita is a sufficiency measure often suggested for residential buildings. However, research dealing with social perceptions and attitudes towards sufficiency is limited. We conducted a survey of Berlin households to assess correlates of current living space, and examine satisfaction with current living space and willingness to downsize. A large proportion of the population is willing to reduce their living space, 43% of survey participants could envisage downsizing without compromising their personal wellbeing. Older people (aged 66–80) have the highest per capita consumption of living space of all age groups and are attracted to new living models, such as cluster apartments, as these models strengthen social interaction and promote autonomy. Empty-nesters also show high sufficiency potential, over half of this group indicate willingness to reduce living space. The paper highlights group-specific sufficiency potential and provides policymakers with suggestions for developing strategies that support downsizing while preserving or improving the wellbeing of residents.
