Resource Overview
This research brief, authored by Professor Martin Vinaes Larsen of Aarhus University in collaboration with Andreas Wiedemann, examines the fourâdecade decline of social housing across Europe and the political dynamics that have shaped it. Produced for the Progressive Politics Research Network, the brief analyses dataâparticularly from Denmarkâto explain why mainstream socialâdemocratic parties, once champions of affordable housing, have retreated from that role since the 1990s. The study highlights the resurgence of housing affordability concerns and outlines four major obstacles that any panâEuropean revival must confront.
Decline of Social Housing
Between 1980 and 2020, Europeâs stock of social housing fell sharply, with new construction rates dropping dramatically after the early 1990s. In Denmark, the number of completed socialâhousing units stagnated while marketârate construction continued, mirroring trends in Germany, the Netherlands, Norway, Sweden, and the UK. The brief notes a 50 % rise in housing costs across major European cities between 2015 and 2023, intensifying the affordability crisis for lowâ and middleâincome households.
Role of SocialâDemocratic Parties
Analysis of Danish localâelection data shows that SocialâDemocratic control boosted socialâhousing permits in the 1980s and early 1990s, but this effect vanished after the midâ1990s. The shift coincided with a change in the partyâs voter base: supporters became more affluent and less likely to live in or near socialâhousing tenants, while residents of social housing grew increasingly marginalized and often of immigrant background. This electoral realignment weakened the partyâs incentive to fund new socialâhousing projects.
Key Data Points
- Housing prices in major European cities rose by roughly 50 % from 2015â2023.
- In Denmark, the proportion of SocialâDemocratic voters with university degrees increased markedly, while the share of socialâhousing residents below the poverty line remained high.
- A closeâelection regression design finds that an extra SocialâDemocratic seat significantly raised socialâhousing permits before the 1990s, but not afterward.
- Four headwinds identified: antiâimmigrant sentiment, stricter means testing, high construction and land costs, and local opposition to higher density.
PanâEuropean Context & Opportunities
Rising housing costs have revived political interest in social housing as a tool for urban inclusion and the âright to the city.â Mayors in Paris, Barcelona, and Copenhagen have prioritized affordable housing, with Copenhagen requiring up to 40 % of new units to be reserved for social housing. However, the brief cautions that any revival must address the identified obstacles, adapt eligibility criteria, and integrate social housing within broader strategies that also increase marketârate supply.
Challenges to Revival
- Antiâimmigrant sentiment â Immigrant concentration in social housing can fuel opposition, though liberal urban voters appear less concerned.
- Means testing â Tightening eligibility narrows appeal beyond the most vulnerable, limiting political mobilization.
- Construction costs â Modern building standards and high land prices raise perâunit costs, demanding public subsidies or innovative financing.
- Local resistance â Neighborhoods often oppose higherâdensity developments, requiring careful design and community engagement.
Pathways Forward
The brief proposes pairing new socialâhousing projects with expanded marketârate construction to serve both middleâclass and lowâincome households. It suggests using vouchers or income transfers to maintain affordability where rents cannot be kept low, and employing inclusionary zoning to gain public acceptance. Addressing local opposition may involve scaling building heights to match existing urban fabric and highlighting the broader social benefits of mixedâincome neighborhoods.
Conclusion
The decline of European social housing is rooted not only in neoliberal reforms but also in the strategic withdrawal of socialâdemocratic parties after the 1990s. Renewed political commitment, coupled with policies that mitigate cost, eligibility, and communityâlevel barriers, could enable a sustainable resurgence of affordable housing across Europe, helping cities remain inclusive and resilient in the face of mounting housing pressures.

