Can my landlord increase my rent twice in one year in the ACT?

Answer

No, your landlord cannot increase your rent twice in one year in the ACT. Under ACT rental laws, rent increases are strictly limited to a maximum of once every 12 months. You must also be given at least eight weeks' written notice before any increase takes effect.

ACT Government - Renting and Occupancy Laws
Last UpdatedMay 2, 2026

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How it works in practice

Understanding Rent Increase Limits

In the Australian Capital Territory (ACT), the law provides strict protections for tenants regarding how often a landlord can increase the rent. Under the Residential Tenancies Act, a landlord is legally prohibited from raising your rent more than once in any 12-month period. This applies regardless of whether you are on a fixed-term lease or a periodic (month-to-month) agreement.

Notice Period Requirements

Even when the 12-month period has passed, your landlord cannot simply demand more money immediately. They must provide you with at least eight weeks' formal written notice before the new rental amount can take effect. This notice must clearly state the proposed new rent amount and the exact date the increase will begin.

Protections Against Excessive Increases

Furthermore, the ACT has specific thresholds for how much the rent can be increased. The maximum allowed increase is usually tied to the rents component of the Consumer Price Index (CPI) for Canberra, plus a specific percentage. If a landlord wants to raise the rent above this legal threshold, they must either get your written agreement or apply directly to the ACT Civil and Administrative Tribunal (ACAT) for approval. If you receive a notice that you believe is excessive or violates the 12-month rule, you are not obligated to pay the increased amount until it is legally validated.

Important exceptions

The primary exception occurs if you mutually agree to a rent increase in writing, though you are never legally obligated to do so. Additionally, if the landlord has made significant renovations, added new facilities, or expanded the size of the rented property, they may apply to the ACT Civil and Administrative Tribunal (ACAT) to justify an increase outside the standard 12-month timeframe.

Another exception involves housing assistance programs or income-based social housing, where rent calculations fluctuate based on the tenant's household income rather than standard residential tenancy timelines. Finally, commercial leases are completely exempt from these residential protections.

What you should do now

  1. Review your current tenancy agreement to confirm the exact date your last rent increase took effect or when your lease began.

  2. Check the written notice provided by your landlord to ensure they have given you the legally required eight weeks' advance warning.

  3. Calculate the time between the previous increase and the proposed new date to verify it is at least 12 full months.

  4. Compare the proposed increase amount against the ACT's allowable Consumer Price Index (CPI) threshold to see if it is excessive.

  5. Contact the Tenants' Union ACT or the ACT Civil and Administrative Tribunal (ACAT) for advice if the increase violates the 12-month rule.

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