Lex Koller

Lex Koller: The Complete Guide for Foreign Buyers

Understanding Switzerland's property acquisition rules for non-residents

Evgenia Sander9 min read1 September 2026

Switzerland's Lex Koller legislation governs the acquisition of residential property by foreign nationals. Understanding its scope, exemptions and cantonal quotas is essential before any purchase.

The Lex Koller — formally the Federal Act on the Acquisition of Real Estate by Persons Abroad (BewG) — has shaped Swiss residential property markets since its introduction in 1983. Its primary purpose is to prevent excessive foreign ownership of Swiss residential real estate, and it remains one of the most consequential pieces of legislation for any international buyer considering a Swiss property acquisition.

The legislation applies specifically to residential property. Commercial real estate, industrial land and properties used exclusively for business purposes are generally outside its scope, which is why many international investors approach Switzerland through commercial or mixed-use structures. For private residential acquisitions, however, the rules are precise and the consequences of non-compliance are serious.

Foreign nationals who are not EU or EFTA citizens and do not hold a Swiss C permit (permanent residence) require a cantonal authorisation to purchase residential property in Switzerland. This authorisation is subject to annual quotas allocated to each canton by the federal government. The total national quota is approximately 1,500 authorisations per year — a figure that has remained broadly stable for decades and that creates genuine scarcity in the most sought-after locations.

EU and EFTA nationals holding a B permit (residence permit) may purchase one primary residence in Switzerland without requiring a Lex Koller authorisation, provided the property is their main domicile. This is a significant distinction: it means that an EU national who is resident in Switzerland and holds a valid B permit can acquire property on broadly the same terms as a Swiss citizen for their primary home.

The most important exemption for international buyers concerns holiday properties in designated tourist zones. Certain Swiss cantons — including Valais, Graubünden, Bern (Bernese Oberland) and parts of Vaud — contain zones where foreign buyers may acquire holiday residences subject to cantonal quota. These quotas are limited, and in the most prestigious locations such as Verbier, Gstaad, Zermatt and St. Moritz, they are frequently exhausted. Timing and local knowledge are therefore critical.

Properties acquired under a Lex Koller authorisation carry specific restrictions. The buyer must use the property personally and may not rent it out commercially on a long-term basis, though short-term holiday rentals are generally permitted. The property may not be resold to another foreign buyer without a new authorisation, and certain structural changes may require cantonal approval. These restrictions are registered in the land register and run with the property.

For buyers considering Geneva, Zurich, Lausanne or other primary urban centres, the position is more restrictive. These cities are not designated tourist zones, and Lex Koller authorisations for residential property in urban areas are extremely rare. In practice, foreign buyers without Swiss residence who wish to acquire in Geneva or Zurich typically do so through commercial structures, or they establish Swiss residence first.

The practical implications for a private buyer are significant. Engaging a Swiss notary and a specialist property advisor at the earliest stage is essential. The authorisation process takes time — typically several weeks to several months depending on the canton — and must be factored into any acquisition timeline. Attempting to structure a purchase without proper legal advice in this area is a risk no serious buyer should take.

Further Reading

Buying Property in Switzerland

Buying Property in Switzerland: The Acquisition Process

8 min read

Swiss Property Markets

Geneva: Switzerland's Most International Property Market

7 min read

Tax & Property Considerations

Swiss Property Taxation: What Every Buyer Needs to Know

8 min read

Market Guides

Verbier & Gstaad: Alpine Property at the Pinnacle

7 min read

Residence & Property

Swiss Residence and Property Ownership: The Connection

7 min read

Buying Property in Switzerland

Buying Property in Switzerland: The Acquisition Process

From initial search to notarial deed — a step-by-step guide for private buyers

Evgenia Sander8 min read1 September 2026

The Swiss property acquisition process is methodical, notarially governed and legally precise. Understanding each stage — from offer to deed — protects buyers and ensures a smooth transaction.

Acquiring property in Switzerland follows a structured legal process that differs meaningfully from the procedures in the United Kingdom, France, Germany or the United States. The Swiss system is notarially governed: the notary is a public official appointed by the canton, not a private practitioner chosen freely by the parties, and their role is to ensure the legality of the transaction rather than to represent either buyer or seller.

The process typically begins with a letter of intent or reservation agreement. This is not a legally binding purchase contract under Swiss law, but it signals serious intent and is often accompanied by a reservation deposit — typically between CHF 10,000 and CHF 50,000 depending on the property value. The reservation period allows the buyer to conduct due diligence, arrange financing and, where required, initiate the Lex Koller authorisation process.

Due diligence in Switzerland covers several distinct areas. The land register (Grundbuch) is the authoritative record of ownership, encumbrances, easements, mortgages and any Lex Koller restrictions. A thorough review of the land register extract is non-negotiable. For apartments in co-ownership (Stockwerkeigentum), the condominium regulations, minutes of owners' association meetings and the reserve fund accounts should all be reviewed. For houses and estates, planning permissions, building permits and any outstanding municipal charges require verification.

Financing in Switzerland is typically arranged through a Swiss bank or cantonal bank. Swiss mortgage practice differs from most other markets: lenders generally finance up to 80% of the property's assessed value (not the purchase price), require the buyer to contribute at least 10% from non-pension assets, and apply an affordability test based on an imputed interest rate of approximately 5% — significantly above current market rates. This means that buyers who are comfortable at current rates may still face affordability constraints under the bank's stress test.

The purchase contract (Kaufvertrag) is drafted by the notary and must be executed before the notary in person, or by a duly authorised representative. Both parties sign in the notary's presence. The contract sets out the purchase price, payment terms, transfer date, any conditions precedent and the allocation of costs. Swiss law requires that the full purchase price be paid before or at the time of transfer — staged payments after transfer are not standard practice.

Transfer of ownership is completed by registration in the land register. This registration is the legally constitutive act: ownership passes not at signing but at registration. The notary submits the deed to the land register office, and registration typically takes between one and four weeks depending on the canton. Until registration is complete, the buyer has a contractual right to the property but is not yet the legal owner.

Transaction costs in Switzerland are moderate by European standards. Notarial fees, land register fees and transfer taxes vary by canton but typically total between 0.5% and 3.5% of the purchase price. There is no stamp duty at the federal level. Real estate agent commissions are typically 2–3% plus VAT and are customarily paid by the seller, though this is negotiable. Buyers should budget for legal advice, due diligence costs and, where applicable, Lex Koller authorisation fees.

For international buyers, the currency dimension deserves careful attention. Swiss franc-denominated transactions are standard, and exchange rate movements between signing and completion can be material on high-value properties. Forward contracts or currency options are worth considering for buyers whose liquidity is held in euros, dollars or sterling.

Further Reading

Lex Koller

Lex Koller: The Complete Guide for Foreign Buyers

9 min read

Swiss Property Markets

Geneva: Switzerland's Most International Property Market

7 min read

Tax & Property Considerations

Swiss Property Taxation: What Every Buyer Needs to Know

8 min read

Market Guides

Verbier & Gstaad: Alpine Property at the Pinnacle

7 min read

Residence & Property

Swiss Residence and Property Ownership: The Connection

7 min read

Swiss Property Markets

Geneva: Switzerland's Most International Property Market

Market dynamics, buyer profile and what drives value in Geneva's luxury residential sector

Evgenia Sander7 min read1 September 2026

Geneva's property market is defined by structural scarcity, international demand and a buyer profile unlike any other Swiss city. Understanding what drives value here requires understanding the city itself.

Geneva occupies a unique position in the Swiss property landscape. It is simultaneously Switzerland's most international city, the seat of dozens of global institutions, a major private banking centre and a city constrained by geography — bordered by France on three sides and Lake Geneva to the south. This combination of international demand and structural supply constraint has produced one of Europe's most resilient luxury residential markets.

The buyer profile in Geneva's prime residential market is genuinely global. Senior executives of multinational corporations, private banking clients, international civil servants, diplomats and ultra-high-net-worth families from across Europe, the Middle East, Asia and the Americas all participate in the market. This diversity of demand provides a degree of insulation from any single economic cycle or geopolitical event — when one buyer segment retreats, another typically advances.

The most sought-after residential addresses in Geneva are concentrated in a relatively small number of locations. The Left Bank — particularly the communes of Cologny, Vandœuvres and Collonge-Bellerive — commands the highest prices for detached villas and estates with lake views. These communes offer large plots, privacy, proximity to the lake and access to Geneva's international schools. Supply is extremely limited: the number of transactions in this segment in any given year can be counted on two hands.

On the Right Bank, the communes of Pregny-Chambésy, Genthod and Bellevue offer comparable quality with slightly different character — more established, quieter, with a higher proportion of long-term resident families. The Palais des Nations and many international organisations are located on the Right Bank, which influences the buyer profile in this area.

Within the city itself, the most prestigious addresses are in the Champel, Florissant and Malagnou neighbourhoods, and along the Quais — the lakefront boulevards. Large apartments in Belle Époque buildings on the Quais represent the apex of Geneva's urban residential market. These properties rarely come to market, and when they do, they transact quickly and discreetly.

Pricing in Geneva's prime market has shown remarkable stability over the long term. The city did not experience the sharp corrections seen in some other European luxury markets during the 2008–2012 period, and the post-2020 market has been characterised by sustained demand and very limited supply. Prime villa prices on the Left Bank range from CHF 5 million for a modest property to CHF 50 million or more for a significant lakefront estate. Prime apartment prices in the city centre range from CHF 15,000 to CHF 30,000 per square metre for the best addresses.

For foreign buyers, Geneva presents a specific challenge: it is not a tourist zone under Lex Koller, which means that non-resident foreign nationals cannot acquire residential property in Geneva without Swiss residence. This restriction effectively limits the buyer pool to Swiss nationals, EU/EFTA residents with B or C permits, and non-EU nationals with C permits. It is one of the reasons why establishing Swiss residence — whether through employment, a lump-sum tax arrangement or other means — is often the first step for international buyers targeting Geneva.

The Geneva market rewards patience and local knowledge. The most significant properties are rarely advertised publicly. They are transacted through established networks of advisors, notaries and private banks. For a buyer seeking a serious Geneva acquisition, the quality of their local representation is arguably more important than any other single factor.

Further Reading

Lex Koller

Lex Koller: The Complete Guide for Foreign Buyers

9 min read

Buying Property in Switzerland

Buying Property in Switzerland: The Acquisition Process

8 min read

Tax & Property Considerations

Swiss Property Taxation: What Every Buyer Needs to Know

8 min read

Market Guides

Verbier & Gstaad: Alpine Property at the Pinnacle

7 min read

Residence & Property

Swiss Residence and Property Ownership: The Connection

7 min read

Tax & Property Considerations

Swiss Property Taxation: What Every Buyer Needs to Know

Imputed rental value, wealth tax, capital gains and the cantonal dimension

Evgenia Sander8 min read1 September 2026

Switzerland's property tax framework is distinctive, cantonal in character and often misunderstood by international buyers. The concept of imputed rental value alone surprises most first-time buyers.

Switzerland's approach to property taxation is unlike that of most other countries, and understanding it before acquisition is essential. The Swiss system operates at three levels — federal, cantonal and communal — and the cantonal dimension is particularly significant: tax rates, rules and even the existence of certain taxes vary substantially between cantons. Choosing the right canton is not merely a lifestyle decision; it is a material financial one.

The most distinctive feature of Swiss property taxation is the concept of Eigenmietwert — imputed rental value. Switzerland taxes owner-occupiers on a notional rental income that they are deemed to receive from their own property, even though no actual income is received. This imputed value is set by the cantonal tax authorities, typically at 60–70% of the market rental value, and is added to the owner's taxable income. The rationale is to treat owner-occupiers and renters equally for tax purposes, but the practical effect is that owning a high-value property in Switzerland increases your income tax liability.

The counterbalance to imputed rental value is the deductibility of mortgage interest and maintenance costs. Mortgage interest paid on a Swiss property is fully deductible from taxable income at the cantonal and federal level. This creates a tax incentive to maintain a mortgage rather than repay it — a dynamic that explains why Swiss homeowners typically carry higher mortgage debt for longer than their counterparts in other countries. Maintenance costs, renovation expenditure and certain insurance premiums are also deductible, subject to cantonal rules.

Wealth tax is levied at the cantonal level on the net value of assets, including real estate. The taxable value of a property for wealth tax purposes is typically the official assessed value (Steuerwert or valeur fiscale), which is usually set below market value — often at 60–80% of market value depending on the canton. The wealth tax rate varies significantly: Zug and Schwyz have some of the lowest rates in Switzerland, while Geneva and Vaud are at the higher end. For a buyer choosing between a Geneva lakefront property and a comparable property in Vaud or Valais, the wealth tax differential over a ten-year holding period can be substantial.

Capital gains tax on the sale of Swiss property is levied at the cantonal level and is structured as a real estate gains tax (Grundstückgewinnsteuer). The tax applies to the profit realised on sale — the difference between the sale price and the acquisition cost (including purchase costs and documented improvements). The rate is progressive and decreases with the length of ownership: a property held for more than 20 years may attract a significantly lower rate than one sold within five years of acquisition. This structure creates a strong incentive for long-term holding, which is consistent with the character of the Swiss luxury property market.

There is no federal capital gains tax on private property in Switzerland, and no inheritance tax at the federal level. Cantonal inheritance taxes vary: some cantons (including Schwyz, Obwalden and several others) have abolished cantonal inheritance tax entirely, while others levy it at rates that depend on the relationship between the deceased and the beneficiary. Spouses and direct descendants are typically exempt or taxed at very low rates in most cantons.

For international buyers, the interaction between Swiss property taxation and their home country tax obligations requires careful analysis. Switzerland has double taxation agreements with most major countries, but the treatment of imputed rental value, wealth tax and capital gains varies under each agreement. A buyer who is tax resident in the UK, France, Germany or the United States will need specific advice on how Swiss property ownership interacts with their domestic tax position.

The lump-sum tax regime (forfait fiscal) deserves mention for high-net-worth individuals considering Swiss residence. Available in several cantons including Vaud, Valais, Geneva and Graubünden, the forfait allows qualifying individuals to be taxed on a notional expenditure base rather than on their worldwide income and assets. For individuals with significant international income or assets, the forfait can represent a highly efficient tax structure — and it is compatible with Swiss property ownership.

Further Reading

Lex Koller

Lex Koller: The Complete Guide for Foreign Buyers

9 min read

Buying Property in Switzerland

Buying Property in Switzerland: The Acquisition Process

8 min read

Swiss Property Markets

Geneva: Switzerland's Most International Property Market

7 min read

Market Guides

Verbier & Gstaad: Alpine Property at the Pinnacle

7 min read

Residence & Property

Swiss Residence and Property Ownership: The Connection

7 min read

Market Guides

Verbier & Gstaad: Alpine Property at the Pinnacle

Two of Switzerland's most prestigious ski destinations — and what distinguishes them as property markets

Evgenia Sander7 min read1 September 2026

Verbier and Gstaad represent the apex of Swiss alpine residential property. Both are internationally recognised, both are subject to Lex Koller quota, and both reward buyers who understand their distinct characters.

Switzerland's alpine property market is anchored by a small number of destinations that have achieved genuine international recognition. Among these, Verbier and Gstaad stand apart — not merely as ski resorts, but as established communities with year-round residential appeal, strong international buyer bases and property markets that have demonstrated consistent long-term value.

Verbier, in the canton of Valais, is one of Europe's premier ski destinations. The Four Valleys ski area — linking Verbier, Nendaz, Veysonnaz, Thyon and La Tzoumaz — offers over 400 kilometres of marked runs and is consistently ranked among the top ski areas in the world. The resort has a distinctly international character: British, Belgian, French, Scandinavian and American buyers have been active in the market for decades, and English is widely spoken throughout the village.

The Verbier property market is characterised by a concentration of high-quality chalets and apartments in a relatively compact village. The most sought-after properties are chalets with ski-in/ski-out access or direct piste views, located in the upper village between the Médran gondola and the Savoleyres area. These properties are rarely available and command significant premiums. Prices for prime chalets in Verbier range from CHF 5 million to CHF 30 million, with exceptional properties exceeding this range.

Verbier is a designated tourist zone under Lex Koller, which means that foreign buyers can acquire holiday residences subject to cantonal quota. The Valais quota is among the most sought-after in Switzerland, and in practice, the availability of authorisations in Verbier is limited. Buyers should expect the authorisation process to be a significant factor in their acquisition timeline and should engage a local advisor with established relationships with the cantonal authorities.

Gstaad, in the Bernese Oberland, presents a different character. Where Verbier is energetic and international, Gstaad is discreet, established and deeply private. The resort has been a destination for European aristocracy, old money and discerning families for over a century. The Gstaad Palace, the Chesery restaurant and the Menuhin Festival are emblematic of a culture that values quality, continuity and understatement over visibility.

The Gstaad property market is among the most exclusive in Switzerland. The village itself is small, and the number of significant properties that come to market in any given year is very limited. The most prestigious addresses are the large traditional chalets in the immediate vicinity of the village and on the surrounding hillsides, with views across the valley and access to the Gstaad ski area. Prices for prime chalets in Gstaad range from CHF 8 million to CHF 50 million, with the most exceptional properties — historic chalets with significant land — trading at considerably higher levels.

Both Verbier and Gstaad are subject to the Lex Weber legislation (the second homes initiative), which limits the construction of new holiday residences in communes where the proportion of second homes exceeds 20%. Both villages exceeded this threshold before the legislation came into force, which means that new-build holiday residences cannot be constructed. This supply constraint is a fundamental driver of value in both markets: the stock of available properties is finite, and demand from international buyers continues to grow.

For a buyer choosing between Verbier and Gstaad, the decision is ultimately one of character and lifestyle. Verbier offers a more active, international and accessible environment — it is easier to reach from Geneva and has a broader range of properties at different price points. Gstaad offers unparalleled discretion, an established community of long-term residents and a property market that is, if anything, even more constrained in supply. Both represent sound long-term investments in the context of Swiss alpine property.

Further Reading

Lex Koller