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Rent Act · NPI indexation · the 4% cap
Updated June 2026

📈 Can my landlord raise the rent in Denmark?

With conditions
Quick answer

Only along statutory tracks — Danish renting is tightly regulated, and the rent tribunal is cheap protection. The usual increases: net-price-index (NPI) indexation (requires an explicit contract clause; a political cap limited NPI rises to 4 % for 2022–2023, revivable), cost-based rent in older large properties (rising only with documented operating costs), and § 5(2) modernisations at re-letting. Free market rent exists only in newer builds (post-1991). The formalities are non-negotiable: written notice with 3 months' lead and justification — otherwise the increase is void. Disagree? Complain to the rent tribunal (huslejenævn) for a few hundred kroner — its ruling binds.

📋 The rules

  • NPI indexation: only with a clause in the lease (typically § 11)
  • The 4 % cap limited NPI rises in 2022–23 — higher documented costs can override
  • Older buildings: cost-based rent — increases must be documented
  • Notice: written, 3 months, with justification
  • Remedy: the rent tribunal — cheap and binding

🔓 Exceptions

  • New builds (post-1991) and free-rent leases: market terms, but notice and fairness rules remain
  • Improvement increases: genuine improvements (not maintenance) can enter the rent

⚠️ Penalties & fines

Void/unnoticed increases: you may refuse the raise and file; the tribunal can roll rent back and order refunds with interest. Retaliation for complaints: protected — termination needs statutory grounds.

📎 Official sources

Last verified: 2026-06-20

❓ Frequently asked

My lease has no NPI clause. Can rent still be indexed?

No — indexation requires an explicit clause; without it the landlord is limited to the law's other (documented) tracks.

How much notice must I get?

Written notice with 3 months' lead and justification — missing formalities void the increase.

What does a tribunal case cost?

A few hundred kroner — and the tribunal can lower the rent and order overpayments refunded.

Does the 4 % cap still apply?

It covered NPI rounds in 2022–2023; the mechanism remains in the law and can be revived — check current status with the tribunal or tenants' union.

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