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KI-Symbolbild: Ein neu gebautes Einfamilienhaus mit frischem Rasen und einem jungen blühenden Baum im Vorgarten an einem klaren Frühlingsmorgen.
Practical article Buying Austria

Signing a preliminary contract for the property: Check the future transaction and today’s binding

How do I assess an Austrian draft that is meant to fix a later property purchase now.

Automatically translated – the German version is legally binding. Show original (German)

Published
19 Oct 2026
Research as of
17 Oct 2026
Applies to
Austria
For whom
Searchers & tenants
Article ID
WX26-P04-0029

Understanding the contractual subject matter of today’s declaration

§936 ABGB deals with the binding agreement to conclude a contract in future. The provision links it to certain requirements, including the time of conclusion and essential contractual components, and describes limits where circumstances change as well as a time frame for pursuing claims. [VORVERTRAG]

Which legal form your specific declaration actually has is not decided by the heading alone. Please ask for contractual advice to classify it as a preliminary contract (Vorvertrag), an already completed transaction or another arrangement. The article does not turn any random reservation note into a preliminary contract.

Do not assume the later decision is entirely free

Our editorial recommendation: Have explained to you which performance may be demanded from today’s agreement and what will happen at the intended later date. Which points are already determined, which are open and which conditions are meant to play a role?

A personal note that you want to decide on the financing later does not change the declaration you have made. If this open prerequisite is essential for you, it must be dealt with legally in an appropriate way before the binding takes effect. The article does not provide a general clause for that.

Hypothetical case: A bridging arrangement contains more determination than expected

A buyer is waiting for an internal family decision about funds. In the meantime he is to sign a preliminary contract specifying the object of purchase, price and a later date. He believes the later signature will be his first real decision.

Before the declaration he discloses both the draft and the still unresolved source of funds to the advice. He has the present obligation and the intended course explained. The example does not promise automatic non‑bindingness if funds fail to materialise and does not decide on a concrete claim.

Classify dates and changes professionally

Record the agreed later date and new circumstances in a comprehensible way. The time frame contained in §936 is not a recommendation to leave a potential dispute unresolved for a long time. The start, significance and necessary steps must be assessed for the individual case.

If price, scope or schedule are to change, have the effect on the existing agreement examined. An informal new plan of wishes does not automatically replace the earlier binding. Conversely, you should not yourself interpret every small change as a sure ground for termination from the statutory text.

Organise the further course deliberately

Clarify who needs which documents until the next step and what preparation is still outstanding. The later purchase processing with payment and registration of title remains a separate, coherent procedure. A preliminary contract does not complete these steps by its mere existence.

Your outcome should clearly distinguish between today’s undertaking and the future transaction. Only then can you assess whether the proposed interim agreement fits your decision status. The word vor (before) describes a temporal placement, not a general freedom from obligations.

Sources and context

Created with the help of AI and editorially reviewed. General guidance only; not individual legal, tax or financial advice. Errors and later changes are possible.