Online mortgage - attractive interest rates |

Online mortgage

Save time and money

Our interest rates*

These interest rates are for illustrative purposes only and are updated regularly (current status as at 31.03.2023). They do not constitute a binding financing offer.

The interest rates shown were determined by key4 on the basis of the following financing parameters: canton: Zurich, loan amount: CHF 500,000, affordability: 24%, loan-to-value ratio: 50%, mortgage payout date: 01.05.2023.

What is an online mortgage?

An online mortgage covers any type of mortgage that you can take out with a provider without requiring an appointment on site. This saves you time and money.

What are the advantages?

Compare different providers directly online
Immediate non-binding offer and attractive interest rates
Free of charge and convenient
Advice and processing from a single source

How can I take out an online mortgage with key4?

First, you must answer a few questions online about the financial conditions of your desired mortgage, your property and your financial situation.

You then define your personal preferences: do you want stability and long-term predictability, or market-oriented interest rates at the risk of having to accept fluctuations?


With just one inquiry you will receive the most attractive offers from various providers in a flash. Transparent and comparable.

From here on, our advisors take over and explain how to proceed step by step.

Ready for the best offer?

Obtain a non-binding offer within minutes.

Combine offers from various Swiss financing providers to create your own personal overall financing solution.

Attractive interest rates and terms of up to 15 years
Free, one-stop advice and processing
Receive non-binding offers immediately online

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