Cost Rent & Refunds for Tenants in Austria

Rent & increases (reference rent, categories, form) 2 min read · published September 10, 2025

Many tenants in Austria face questions about cost rent and possible refunds. This article explains clearly when cost rent may be charged, which receipts are important and under what circumstances tenants can demand a refund from the landlord. You will learn deadlines, necessary evidence, practical steps to contact the landlord and when a lawyer or the district court becomes necessary. The goal is to give you as a tenant clear, practical guidance so you can act confidently, secure your evidence and meet deadlines. The language remains simple so that as a non-lawyer you can better understand and enforce your rights in Austria. We also include practical examples and notes on official forms.

When does cost rent apply?

Cost rent can apply in certain contracts or for publicly subsidised housing; it is based on the actual costs incurred. For details and legal foundations, the Mietrechtsgesetz is relevant[1].

In most cases, cost rent is governed by the Mietrechtsgesetz.

What is cost rent?

Cost rent usually covers operating costs, administration and depreciation, not necessarily the free market rent. Check the lease for wording and documentation obligations.

Refunds: When possible?

A refund may be possible if the landlord charged too much, statements are incorrect or payments were made twice. Evidence and a prompt demand to the landlord are important.

  • If the landlord charged too much rent and you can produce supporting documents.
  • In case of incorrect statements or double payment of rent a refund is possible.
  • Within usual timeframes: report the claim as soon as possible, for example within 30 days.
Keep all receipts and statements carefully stored.

How do I document claims?

Good documentation increases your chances of success. Note payment dates, keep bank statements, invoices and any communication with the landlord.

  • Collect documente such as payment receipts, invoices and correspondence.
  • Make copies of formal notices or documents and store them securely.
  • Contact the landlord early and document every contact in writing.

FAQ

What is cost rent?
Cost rent covers certain operating costs and not always the market rent. For questions see Mietrechtsgesetz.[1]
How do I claim a refund?
Send a formal claim to the landlord, attach evidence and set a deadline. If necessary, contact the court.[2]
Which deadlines apply?
There is no single deadline for all cases; however act within 30 days and seek legal help early.[3]

How-To

  1. Collect all documente: payment receipts, invoices and emails.
  2. Draft a written claim and file it with the landlord by registered mail.
  3. Set a clear deadline (e.g. 30 days) and note this deadline.
  4. If no agreement, prepare a claim at the district court or seek legal advice.

Key Takeaways

  • Documentation is crucial and increases chances of success.
  • Act early and respect deadlines.

Help and Support / Resources


  1. [1] RIS — Mietrechtsgesetz (MRG)
  2. [2] Justiz.gv.at — District court information
  3. [3] JustizOnline — Forms and e-Services
Bob Jones
Bob Jones

Editor & Researcher, Tenant Rights Austria

Bob writes and reviews tenant law content for various regions. They’re passionate about housing justice and simplifying legal protections for tenants everywhere.