
Renew your mortgage
Renew and save the smart way
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Mortgage coming to an end and thinking about switching providers? Take the opportunity to finance your own home at more attractive conditions. We’ll help you get the best out of your current position and make renewing your mortgage as easy as possible.
A switch that’s worth it
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Where possible, we’ll take care of the admin work for you
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Secure an interest rate up to 18 months in advance
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Fast online access to your personal offer
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We check how you can optimize costs
If your mortgage is about to expire, it’s a great opportunity to start thinking about subsequent financing. You should start comparing offers around 18 months in advance and consider switching providers if better conditions are available. So check the notice period for your current mortgage in good time to consider switching your mortgage.
Tip: secure your interest rate early and save money
With a forward mortgage from PostFinance, you can secure your interest rate up to 18 months in advance if interest rates are expected to rise. Our interest rate forecast provides you with an assessment of how the mortgage market could develop.
We look forward to hearing more about you and your current financing in a personal consultation. During the appointment, you’ll receive a personal offer that is tailored to your needs, financial opportunities, future plans and the current market situation.
Get your personal offer now
Alternatively, you can create your non-binding mortgage quotation directly online in just a few steps. You can download your personal offer as a PDF.
Once you’ve chosen an offer from PostFinance, we’ll support you with the renewal and ensure a smooth transition – whether it’s terminating your current mortgage, obtaining, updating the necessary documents or transferring the mortgage certificate. Wherever possible, we’ll take the burden off your shoulders and aim to keep the effort on your part to a minimum.
Tip: Use our checklist for mortgage applications
In our checklist, you’ll find an overview of the documents required for your mortgage application. Talk to our specialists in advance about which documents you need.
Save with a lower interest rate

Switching mortgage providers is particularly worthwhile if you can benefit from a lower interest rate or if the financing options are better tailored to your individual needs.
Discover our current interest rates for fixed-rate mortgages with terms from 2 to 15 years or for the flexible Saron mortgage with a term of 3 years.
FAQs on renewing your mortgage – in simple terms
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It may be worth switching if another provider offers better conditions, such as lower interest rates. Switching providers also has advantages if the financing options offered by the new provider are better suited to your individual needs.
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Start thinking about renewing your mortgage around eight months before it expires. Check whether your contract or the General Terms and Conditions (GTC) include a cancellation period. Ask yourself which mortgage model and term is right for you. If you are considering early repayment, you should consider carefully whether the prepayment penalty outweighs the potential savings. It is best to seek expert advice. Our specialists will answer your questions about the renewal in person.
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There are no prepayment charges for standard renewals at the end of the contractual term. However, some providers charge a fee for a standard renewal at the end of the term.
Do you want to renew all or part of your mortgage before the end of the term? In this case, depending on the market situation, you may incur a prepayment penalty to compensate your old provider for expenses such as the lost interest payments. You can have the costs calculated by your current lender.
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Yes, that’s possible. However, you may then have to pay “compensation” to the lender– known as a prepayment penalty. This can turn out to be very high. Ask your current lender to calculate the prepayment penalty.
Useful information: with a forward mortgage from PostFinance, you can secure the current interest rate up to 18 months before your existing financing expires.
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Some lenders require you to terminate your mortgage even if it is due to expire. In some cases, lenders strictly enforce their notice periods. It is therefore advisable to find out in good time and provide written notice.
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As a rule, lenders are willing to take on just one tranche of a staggered mortgage to begin with if they can also take on the others within a short period of time. That means the closer the maturities are to each other, the better your chances. Things become more complicated if the shortest and longest tranches are more than 18 months apart.
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In our checklist, you’ll find an overview of the standard documents you need to renew your mortgage. Please feel free to contact our experts to clarify your individual situation so that we can assist you in obtaining your documents.
The link will open in a new window Checklist for mortgage application (PDF)