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Green bonus

We’re here to help you do your bit for the environment by offering attractive interest rates on financing for energy-efficient properties and green renovations.

Discover

Highlights

For clients who:

want to limit the environmental impact of their house or apartment
are buying or building a property with a CECB eco-rating of A
want to renovate their property to preserve its value or make it more energy-efficient

Details

Benefits

zero interest on your mortgage loan for the first 12 months
offer valid for a BCV fixed-rate mortgage loan or a Building Plus loan with a term of at least five years.

Green Bonus eligibility

For real-estate purchases or new builds, at least one of the three criteria of the CECB® certificate* must have an eco-rating of A and none of the three can be below B, or the property must have a Minergie-A or Minergie-P certificate.

Renovations are considered ecological if at least 25% of the total investment (no less than CHF 20,000) is used to make energy-saving improvements that qualify for subsidies, such as:

thermal insulation
total renovation
replacing a fossil-fuel heating system with an air-to-water, geothermal, or water-to-water heat pump
installing solar panels
installing solar thermal collectors
replacing windows

* Energy efficiency of the building envelope, overall energy efficiency, and direct CO2 emissions.

Related information

What is the CECB®?

The Cantonal Building Energy Certificate (CECB) is an eco-rating program recognized by all Swiss cantons. The information contained in the certificate can be used for appraisal purposes and to pinpoint potential energy-efficiency improvements. The certificate shows:

The energy efficiency of the building envelope
The amount of energy needed to run the building under normal conditions.

Bonus Vert: buy green and save (in French only)

This flyer contains basic information on how to get a Bonus Vert discount when you buy a home.

File size : 174 KB - Last update: 05.02.2026

Rénover avec le Bonus Vert

Cette fiche vous donne les informations de base pour bénéficier d’un Bonus Vert lors de la rénovation d’un bien immobilier.

File size : 194 KB - Last update: 02.02.2026

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