The Edge Blog · Managing Commercial Leases · October 20, 2026 · 3 min read
How Rising Prices Can Raise Your Commercial Rent at Renewal
Inflation picked up in September. Here is how that can show up in a commercial lease, and what to ask before you renew.

The consumer price report released Oct. 14 showed prices up 0.6% in September and 3.7% from a year earlier. Core inflation, which leaves out food and energy, was 2.6%.
Those figures matter to anyone with a commercial lease. In many leases, rent increases are tied, directly or loosely, to inflation. If your lease renews soon, or you plan to sign a new one, here is what to look for.
Three common ways rent goes up
- Fixed increases. The lease sets a percentage or dollar amount each year. You know the change in advance, no matter what prices do.
- Index-based increases. Rent rises with a price index, often a version of the consumer price index. When inflation runs high, so does the increase.
- Market resets. At renewal or at set points, rent is adjusted to what similar space nearby is leasing for.
Market resets can be large where demand is strong. In one central Orlando light-industrial area along the 33rd Street and McLeod corridor, rents have climbed much faster than in the Orlando metro as a whole over the past five years.
Read the fine print on index clauses
If your rent follows an index, the details decide how much you pay. Look for:
- Which index. National, regional, headline and core numbers can differ. In September, headline and core inflation were more than a full point apart.
- The measuring period. Is the change measured over the past year, or from the start of the lease?
- Caps and floors. A cap limits how high a yearly increase can go. A floor sets a minimum, even if prices barely move.
- Timing. When the new rent takes effect and how much notice you get.
Watch the costs passed through to you
Base rent is only part of the bill. Many leases also pass along a share of property taxes, building insurance and common area upkeep. When labor, materials and services cost more, these charges can climb too.
- Ask for the last few years of operating expense statements.
- Check whether there is a cap on controllable expenses.
- Find out how the landlord splits costs among tenants.
- Ask about audit rights so you can review the numbers.
Property taxes are also on the ballot. On Nov. 3, Florida voters will decide Amendment 3, which needs at least 60% approval to pass. Among other changes, it would lower the annual cap on assessment increases for non-homestead property, which covers rental and commercial property, from 10% to 5% for city, county and other non-school taxes. How that could affect a specific lease depends on the property and the lease language, so ask a tax professional.
Questions to ask before you renew
- What will my total monthly cost be, not just base rent?
- Would the landlord trade a fixed increase for a longer term?
- Can we add a cap to an index-based increase?
- Are repairs or upgrades planned that could change my costs?
- What are similar spaces nearby leasing for right now?
For owners and investors
Landlords face rising costs too. An index clause can help rent keep pace with expenses. But a tenant squeezed by big jumps may leave, and an empty space earns nothing. Steady, predictable terms often help keep good tenants in place. Weigh both sides when you set renewal terms.
Plan ahead this fall
Halloween is a natural checkpoint. Year-end budgets are taking shape, and holiday sales will soon show how the year went. Use this window to:
- Find your lease and mark the renewal and notice dates.
- Pull the rent increase and expense clauses into a one-page summary.
- Estimate next year's total cost for your space.
- Talk with a real estate attorney before signing changes.
- Ask a local agent to compare your terms with similar spaces.
Rising prices do not have to catch you off guard. Knowing how your lease reacts to inflation lets you plan, negotiate and decide with clear eyes.



