Ontario · Commercial tenants
Guides
Plain, practical guides to checking your Ontario TMI / Additional Rent. Start with whatever matches your question.
Ontario TMI & Additional Rent guide
What TMI is, the overcharges to watch for, and your rights as a tenant.
TMI increase calculator
Is your increase normal? Compare it against inflation in 30 seconds.
Additional Rent audit across Canada
How Additional Rent works province by province, HST included.
How to audit your TMI bill without hiring a consultant
Four ways to audit an Ontario TMI / Additional Rent bill: a contingency auditor, your accountant, DIY with the lease, or software. What each costs, what it catches, and when to hire a pro.
Why a wrong TMI bill makes your HST wrong too
How Ontario’s 13% HST applies to Additional Rent / TMI, why a wrong TMI number makes your HST wrong too, and keeping your input-tax-credit filing clean.
You found a TMI overcharge. Here is how to get it back.
How an Ontario commercial tenant raises a TMI / Additional Rent overcharge with the landlord: a calm, clause-cited request, audit rights, and the two-year window.
How TMI reconciliation actually works (and where it goes wrong)
A plain guide to TMI / Additional Rent reconciliation for Ontario commercial tenants: what it is, why it happens, and what your rights are.
How to read your TMI statement like an auditor
A line-by-line guide to reading an Ontario TMI / Additional Rent reconciliation statement: what each part means, and what to check against your lease.
5 TMI overcharges hiding on Ontario commercial bills
Five Additional Rent / TMI overcharges that show up again and again on Ontario commercial bills, what each one looks like, and the lease clause to check.