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LeasingJanuary 15, 202612 min readPillar guide

The Complete Ontario Warehouse Leasing Guide (2026)

Net rent, TMI, escalations, tenant allowances, and the negotiation leverage every GTA warehouse tenant should use in 2026.

Quick Facts at a Glance

Typical lease type
Triple-net (NNN)
Typical net rent (GTA Class A)
$17.50 – $22.00 / sf / yr
Typical TMI (additional rent)
$4.50 – $6.50 / sf / yr
Typical annual escalations
3 – 5%
Typical term length
5 – 10 years
Tenant allowance (TIA)
$5 – $25 / sf (new build)
~4.0%
GTA vacancy
Q1 2026
$22.50
All-in gross rent
Average Class A / sf / yr
5-10 yr
Typical term
Trade term for TIA

Leasing industrial space in the GTA in 2026 looks very different from five years ago. With vacancy normalising, rents stabilising after the 2021–2023 run-up, and landlords more willing to negotiate, tenants finally have room to push for better economics — if they know where the levers are.

1. Understand the rent structure

Most industrial leases in Ontario are triple-net (NNN). That means your total occupancy cost has two components:

  • Net rent ("base rent") — what goes to the landlord.
  • Additional rent (also called TMI: taxes, maintenance, insurance) — operating costs passed through at cost.

A listing advertised at "$18.00 net" with "$5.50 TMI" actually costs you $23.50 per square foot per year, gross. Always compare total occupancy cost, not just net rent.

2. Escalations and lease term

Expect annual 3–5% escalations on net rent in most new industrial leases. In a softening market, push for:

  • Flat net rent in year 1.
  • Fixed 2.5–3% annual bumps instead of CPI-linked.
  • Longer free-rent periods at the front of the term.

Term length matters. 5-year deals give you more optionality, while 10-year deals unlock larger tenant improvement allowances (TIAs) and better rates.

3. Tenant improvement allowances

If the space needs demising walls, additional dock doors, extra power, or office build-out, ask for a TIA. In 2026 GTA industrial deals, $10–$25/sf is achievable on 5–10 year terms depending on landlord profile.

4. The clauses that actually protect you

  • Exclusive use — prevents the landlord from leasing to a competing business nearby in multi-tenant buildings.
  • Right of first offer / first refusal on adjacent units — huge value if you expect to grow.
  • Cap on controllable operating costs — caps annual increases (typically at 4–5%).
  • Assignment and sublet rights — flexibility to exit or restructure.
  • Surrender / restoration obligations — negotiate out the requirement to remove tenant improvements at end of term.

5. Physical due diligence before signing

Don’t sign a lease before confirming the building delivers what your business actually needs:

  • Clear height (minimum under joists, not to roof deck).
  • Number and type of dock-high and drive-in doors.
  • Electrical service (amps and voltage) and HVAC tonnage.
  • Sprinkler system rating (ESFR vs. wet-pipe) and its match to your storage commodity class.
  • Trailer parking stalls and truck court depth.
  • Floor load capacity for racking and machinery.

6. The negotiation leverage you have in 2026

With new supply delivering across Milton, Brampton, Ajax and Pickering, landlords of older product are under pressure. Use that leverage for:

  • 6–9 months free rent on 7–10 year deals.
  • Upgraded lighting, dock levellers or roof repairs included at landlord cost.
  • Reduced security deposits.

Next step

Start by benchmarking live listings in your target submarket. Filter by clear height and dock doors, and compare asking net rent against recent deals. You can browse active warehouse MLS listings on WarehouseIndex by size, dock count, clear height and zoning.

Key Takeaways

  • Always compare total occupancy cost (net + TMI), not just net rent.
  • Push for caps on controllable operating costs, base-year tax protection, and audit rights on TMI.
  • Longer terms (7–10 yr) unlock larger tenant allowances but reduce optionality.
  • Quantify free rent, TIA and cap savings as a single net effective rent figure when comparing deals.
  • Verify power, clear height, loading and zoning before signing — rework post-signing is expensive.

Frequently Asked Questions

What is TMI in an Ontario industrial lease?

TMI stands for Taxes, Maintenance and Insurance. It represents the building’s operating costs passed through to the tenant at cost on top of the net rent. In 2026 the GTA average is roughly $4.50–$6.50 per square foot per year.

Is TMI negotiable?

The rate itself is usually not negotiable because it reflects actual costs, but what goes into TMI absolutely is. Negotiate exclusions (capital items, roof structure, management fee caps), audit rights, caps on controllables, and base-year tax protection.

How much tenant allowance should I expect?

On a 10-year deal for a modern building with light tenant work, $5–$10 per square foot is typical. Office build-out or food-grade work can push allowances to $15–$25 per square foot. The landlord amortises the TIA into the rent, so the real question is what net effective rent it produces.

Can I negotiate flat rent in year 1?

Yes. In a softening market, landlords will often flat-line year 1 or offer 1–3 months of free rent to lock in a 5- or 10-year deal. Combine that with fixed 2.5–3% bumps instead of CPI-linked escalations.

What is a reasonable management fee?

3–5% of controllable operating costs (excluding taxes and insurance) is market in the GTA. Above 5% or applied to gross rent is aggressive and worth pushing back on.

Should I sign a gross lease instead of triple-net?

Gross leases transfer cost risk to the landlord who prices it back into rent. Over a 5–10 year term, a net lease with caps and audit rights almost always wins. Small units under 5,000 sf and very short terms are the main exceptions.

Ready to see live warehouse listings?

Browse real-time GTA industrial MLS listings. Filter by city, clear height, loading, and sale or lease.

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