What tax advantages are there for renovations in Switzerland?

Strategic restructuring: How to maximize tax savings

Preserving value vs. increasing value: The crucial question

claim the tax benefits of renovations , you need to understand the most important distinction in Swiss tax law:

• Property maintenance (deductible): Measures that restore the property to its original condition. This includes repairs, painting, replacing equivalent household appliances, or patching the roof. You can deduct these costs 100% from your taxable income. The direct benefits of renovations are immediate.
• Value enhancement (not directly deductible): Anything that raises the standard of living (e.g., adding a conservatory, converting the attic into living space). You cannot deduct these costs from your income. However, they are not lost. They reduce the capital gains tax upon a later sale. These are also long-term advantages of renovations .

The "joker": Energy-saving measures

Here, the state shows its most generous side. To promote the energy transition, energy-efficient renovations are almost always tax-deductible as maintenance, even though they technically increase the value of the house (value appreciation). This is one of the biggest advantages of renovations in Switzerland.

These privileged measures include:

• Thermal insulation ( floors , walls , roof).
• Installation of new, better insulating windows.
• Switching the heating system to renewable energies (heat pump, solar, wood, district heating).
• Installation of photovoltaic systems (in most cantons).

Those who renovate for energy efficiency benefit twice over: you increase the value of your property and simultaneously drastically reduce your tax burden. These advantages make renovations the most effective lever for optimizing your assets.

The strategy with the flat-rate deduction

Every year the tax office asks you the same question: Do you want to deduct the actual costs or use the flat rate?

• Flat rate: Usually 10% (for newer houses) to 20% (for older houses) of the imputed rental value. You must Do not submit any supporting documents .
• Effective costs: You submit all invoices.

One of the tactical advantages of renovations lies in the interplay between these two methods. The strategy: In years when you don't do anything to the house, choose the flat-rate deduction. In years with major projects, choose the actual costs. For example: You're planning painting (CHF 3,000) and a new floor (CHF 5,000). If you do both in one year, you'll end up with CHF 8,000, which is often higher than the flat rate. If you do one in 2024 and the other in 2025, you might fall below the flat rate in both years and miss out on the renovation benefits , since the flat rate "caps" the deduction. Bundle your projects!

Breaking the tax progression

Another aspect of the renovation benefits concerns large projects . If you undertake a comprehensive energy-efficient renovation (e.g., for CHF 150,000), the costs may exceed your income that year. Your income would then be zero, and the remaining deduction would be lost.

The legislature has made improvements here: For energy-saving measures (and the costs of dismantling energy-efficient new buildings), you can spread the costs over up to three tax years (splitting). This offers significant advantages. Renovations :

• You're not just reducing your income to zero in one year, but lowering it gradually over three years.
• This will break the tax progression (the percentage increase in the tax rate) in three years.
• The absolute tax savings are therefore significantly higher.

However, this regulation only applies to energy-saving investments, not to normal maintenance. To fully utilize these renovation benefits , precise planning with a tax advisor is recommended.

Indirect benefits of renovations: capital gains tax on real estate

Not all the benefits of renovations are immediately noticeable in your wallet. If you invest in value-enhancing improvements (e.g., a luxury bathroom instead of a standard one), you can't deduct these costs today. However, you increase the investment costs of your property. If you sell the house at a profit in ten years, you can deduct these investment costs from the sale price. The taxable profit decreases, and consequently, so does the capital gains tax. Therefore, keep every receipt! Even documents that the tax office rejects today are worth real money. Documentation is key to securing the long-term benefits of renovations .

Note the cantonal differences

Federalism also extends to the benefits of renovations . While the federal government and most cantons have similar rules for direct federal and cantonal taxes, there are details to consider. For example, cantons handle the deduction of demolition costs differently. The amount of the flat-rate allowances also varies. Consult the guide from your cantonal tax administration to ensure you don't overlook specific local renovation benefits .

Funding: The tax-free supplement

In addition to tax deductions, there are subsidies available (e.g., the "Building Program"). However, if you receive CHF 10,000 in subsidies for a heat pump, you must deduct this subsidy from the investment costs before declaring it on your tax return. You only pay tax on the net investment. Nevertheless, the advantages of renovations remain attractive: you receive cash from the government and pay less tax on the remaining amount.

Conclusion

The question of tax advantages can be answered clearly: In Switzerland , renovations are a powerful tool for wealth accumulation. Maintenance and energy-efficiency measures directly reduce your income tax. Investments that increase the value of your property lower the tax burden upon a later sale.

The greatest leverage lies in consolidating work within a single tax year (to avoid the flat-rate deduction) and spreading major energy-related investments over three years (to mitigate the effects of progressive taxation). Those who proceed without a plan risk missing out on thousands of francs. Consider your property not just as a home, but as a tax planning tool.

If you are looking for support with the strategic planning of your investments or would like an analysis of your property, Loft offers you professional tools and advice for this.

Glossary

• Advantages of renovations: A collective term for all tax benefits (deductions, reduction of progressive tax rates) that arise from construction measures.
• Value retention: Measures that preserve the existing condition (e.g., repairs). They are full deductible and offer direct Advantages Renovations .
• Energy efficiency measures: Investments in energy efficiency. For tax purposes, they are considered maintenance (deductible), even though they increase the property's value.
• Flat rate vs. actual costs: The choice between a fixed deduction (without receipts) and deducting actual expenses. The right choice maximizes the benefits . Renovations .
• Tax splitting: The possibility to spread the costs of energy-efficient renovations over up to three tax years in order to break the tax progression.