Tenant Rent Increase Appeal in Norway

Rent & indexation (CPI/index, caps) 2 min read · published September 11, 2025

As a tenant, it can be confusing and stressful to receive notice of a rent increase. This guide explains which documents you should collect, how to assess whether the increase complies with the Tenancy Act in Norway, and which deadlines apply[1]. We go through evidence such as the tenancy agreement, previous receipts, correspondence with the landlord and index calculations. The goal is that you as a tenant can send a clear and balanced complaint, understand when you can use the Rent Disputes Tribunal (HTU)[2] or the courts[3], and know when it is wise to seek help. The text is practical and step-by-step. We also show examples of how to structure attachments, which calculations should be explained, and how to describe financial burden.

What to include in your complaint

A tidy complaint makes it easier to have the case assessed. Include documentation that shows both formal matters and the financial basis.

  • The tenancy agreement with all attachments.
  • The notice of rent increase from the landlord.
  • Payment receipts for previous rent.
  • Correspondence with the landlord (email, SMS, letters).
  • Documentation of indices or calculations used in the adjustment.
Detailed documentation increases the chance of success.

How to send the complaint

Write a concise, factual complaint where you describe what you consider unreasonable and what you want (for example reimbursement or adjustment). Refer to specific attachments and explain calculations or indices used. When assessing whether the increase is legal, you can consult the Tenancy Act[1]. If you cannot reach agreement, the case can be brought to the Rent Disputes Tribunal (HTU)[2] or handled in the courts[3].

  • Write a clear claim and desired outcome.
  • Number and reference all attachments in the same order as in the text.
  • Sign, date and keep copies of everything you send.
Respond to notices and legal deadlines within the specified timeframes to retain your rights.

Frequently Asked Questions

What should I do first if I receive a notice of rent increase?
Start by collecting the tenancy agreement, the notice, previous receipts and all correspondence. Check the calculation behind the increase and note which indices or agreements the landlord refers to.
What deadlines apply to filing a complaint?
It is important to respond promptly and follow deadlines in the notice or under the rules in the Tenancy Act. If unsure, seek advice early to avoid losing rights.
When should I take the matter to HTU or the courts?
If dialogue with the landlord does not lead to a solution, HTU can be a faster option for many disputes. More complex or principle-based cases may require court proceedings.

How to

  1. Collect all relevant documents and number the attachments.
  2. Write a clear complaint text with claims and reasoning.
  3. Send the complaint to the landlord first and request confirmation of receipt.
  4. If no solution is reached, forward the case to HTU or consider legal assistance.

Key takeaways

  • Document financial impact and payment history clearly.
  • Number all attachments and reference them in your text.
  • Respect deadlines and respond in writing to preserve evidence.

Help and resources


  1. [1] Lovdata - Husleieloven
  2. [2] Husleietvistutvalget (HTU) - veiledning
  3. [3] Domstolene - informasjon om tvister
Bob Jones
Bob Jones

Editor & Researcher, Tenant Rights Norway

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