Green Mortgage | key4.ch

Green Mortgage

We promote sustainable investment properties

A Green Mortgage is financing that is specifically designed for sustainable investment properties. Since sustainability is so important to UBS key4 mortgages, UBS key4 mortgages offers you a financial advantage when you take out a Green Mortgage via our platform, provided your investment property meets the sustainability criteria.

Your benefits

Financial benefit

We waive your closing costs

Your choice of investors

Choose freely from among different institutional investors

Established product range

Put together your Green Mortgage based on your needs

More about Green Mortgages

The Green Mortgages promotes sustainability in line with Switzerland’s Energy Strategy 2050. It supports borrowers and investors in their sustainability efforts. Accordingly, it can be assumed that sustainable properties are more likely to yield sustainable, long-term returns.

As with the conventional product range of UBS key4 mortgages, you can also put together a Green Mortgage based on your needs.

Sustainability certificates must be valid for at least a further 6 months upon submission to UBS key4 mortgages and apply to all properties to be financed. The following certificates are accepted (March, 2024 status):

* A property with the following certificates (BREEAM, DGNB, and LEED) is considered energy-efficient if at least 80% of the heat supplied by the heating system comes from renewable energy sources. In the case of district heating, 50% of the heat must be generated from renewable energy.

** The certificate should be no more than 10 years old at the time of submission

Process for borrowers and investors


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