Government Proposes Tighter 'Lex Koller' Rules for Foreign Property Buyers

Switzerland is drawing a hard line in the sand to protect its soil from international capital. The Federal Council has launched a bold offensive to tighten the 'Lex Koller'—the iconic federal law that serves as the gatekeeper of Swiss real estate. This is not a mere administrative tweak; it is a decisive strike against a worsening housing shortage that has left local families struggling to compete with global wealth. By restricting foreign ownership, the government aims to decouple the domestic housing market from external demand, ensuring that Swiss homes remain for those who actually live and work within the Confederation. The move signals an end to the era of unchecked property acquisition by non-residents, as the state prioritizes social stability over speculative gains.

A staggering new requirement is set to disrupt the plans of thousands of international residents: sell your home within 24 months or face the consequences. Under the proposed rules, buyers from outside the EU and EFTA zones would no longer be allowed to hold onto their primary residences as 'land banks' after departing the country. This mandatory divestment ensures that housing stock remains liquid and available for the local population. While Swiss citizens living abroad currently enjoy certain flexibilities, the new regime demands a permit for almost every significant transaction involving non-European buyers. This creates a critical shift in the risk profile for foreign investors, who must now weigh the prestige of a Swiss address against a strict, state-mandated exit strategy.

The era of foreign-led commercial property empires in Switzerland is under immediate threat. The Federal Council’s proposal goes beyond residential flats, aiming to bar foreigners from purchasing commercial property for rental purposes. Furthermore, access to listed property companies and real-estate funds—once a routine gateway for international capital—would no longer be guaranteed. This move targets the institutional level of speculation that often drives up land prices across urban centers like Zurich and Geneva. However, the government's own impact study warns of a double-edged sword: while these rules protect the market, they could also complicate large-scale development projects that rely on international financing. The tension between protecting local interests and maintaining a dynamic construction sector has never been more acute.

This legislative crackdown is happening against a backdrop of intense political friction as the Swiss People’s Party (SVP/UDC) pushes for a 10-million population cap. The government finds itself in a high-stakes balancing act: it must address the public's legitimate fears regarding housing density and immigration without blowing up its vital treaties with the European Union. By tightening Lex Koller now, the Federal Council is sending a powerful signal to the electorate that it is listening to concerns about 'over-foreignization' and housing scarcity. It is a preemptive strike designed to deflate the SVP’s momentum before the June vote. As the consultation period runs until July 15, the world is watching to see if Switzerland can successfully insulate its property market while remaining an open, global financial hub.