In the world of commercial leasing, a ratchet clause is a provision designed to protect a landlord’s rental income by ensuring that rent will not decrease over time. These clauses are commonly used in lease agreements to maintain financial stability throughout the lease term, especially in uncertain economic conditions.
What is a Ratchet Clause?
A ratchet clause prevents any downward adjustment in rent, even if the rent review formula would otherwise suggest a decrease. In other words, once the rent increases, it cannot be reduced in subsequent years — it can only stay the same or increase further.
This clause typically works in conjunction with common rent review methods, such as:
- A fixed annual increase (for example, 3 percent net growth per year), or
- An increase based on the higher of a fixed percentage or the Consumer Price Index (CPI)
When a ratchet clause is included, it ensures that if CPI or other market indicators fall, the rent remains at its previous peak — effectively locking in the highest rent achieved during the lease term.
Are Ratchet Clauses Always Allowed?
In Queensland, ratchet clauses are not permitted in retail leases under the Retail Shop Leases Act. This regulation exists to protect small business tenants from being locked into ever-increasing rent in a declining market.
However, ratchet clauses are allowed in commercial leases that fall outside the scope of the Retail Shop Leases Act. This includes leases for office, warehouse, or industrial spaces that do not meet the definition of a retail shop lease.
It is worth noting that this position was confirmed in a Queensland court decision in 2011. Leases entered into before that year — particularly those with automatic renewal clauses — may still be subject to different interpretations based on their specific terms and timing.
Why it Matters
For landlords, ratchet clauses can be a valuable way to protect long-term rental returns. For tenants, however, these clauses may result in rent levels that remain high even during economic downturns or periods of deflation.
Understanding whether your lease includes a ratchet clause — and whether it is enforceable — is essential when negotiating new agreements or reviewing existing ones.
Need Legal Advice?
At Ensure Legal, we regularly assist both landlords and tenants in navigating complex lease provisions, including rent adjustment mechanisms and compliance with Queensland’s leasing laws.
If you have questions about ratchet clauses or need help reviewing a lease agreement, contact Ensure Legal for practical, tailored legal advice.



