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Find a Lawyer » Canada Legal Guides » Ontario Legal Guides » Ottawa Legal Guides » Real Estate, Housing & Civil Disputes Ottawa » Commercial Real Estate & Zoning Ottawa » How much does it cost to draft a commercial lease agreement in Ottawa?

How much does it cost to draft a commercial lease agreement in Ottawa?

27 Mar 2026 4 min read No comments Commercial Real Estate & Zoning Ottawa
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Drafting a standard commercial lease in Ottawa typically costs between $1,500 and $3,500 CAD in lawyer fees. For highly complex retail or industrial spaces, costs can exceed $5,000 CAD. Having a local law firm draft the agreement ensures compliance with Ontario’s Commercial Tenancies Act and protects your long-term financial interests.

Opening a new business or expanding your current operations in Ottawa is an exciting milestone. 🏢 Whether you are leasing a vibrant storefront in the ByWard Market, setting up a sprawling tech office in Kanata, or securing an industrial warehouse in Nepean, your commercial lease is the foundation of your business operations. Unlike residential leases, which use standardized government forms, commercial leases in Ontario are highly complex and entirely negotiable.

In Ontario, commercial leasing is governed by the Commercial Tenancies Act. This legislation assumes that both the landlord and the tenant are sophisticated business people. Therefore, it provides very few automatic protections for the tenant. If a rule or a right is not explicitly written into your lease agreement, it generally does not exist. Because the financial stakes are so high, investing in a properly drafted commercial lease by an Ottawa real estate lawyer is one of the smartest business decisions you can make.

Step-by-Step Process for Drafting a Commercial Lease in Ottawa

Drafting a lease from scratch is a collaborative process between you, the landlord, and your legal representatives. 📋 Most local commercial transactions follow this standard sequence of events.

Step 1: Negotiating the Letter of Intent (LOI)

Before the actual lease is drafted, both parties usually agree on a Letter of Intent or an Offer to Lease. This shorter document outlines the basic business terms, such as the base rent, the length of the lease (the term), renewal options, and who is responsible for paying property taxes and maintenance. While often non-binding, getting your lawyer to review the LOI prevents you from accidentally agreeing to unfavourable terms early on.

Step 2: Drafting the Formal Lease Agreement

Once the LOI is signed, the landlord’s law firm typically drafts the primary commercial lease agreement. 🗂 This document is incredibly detailed and can range from 30 to over 100 pages. It will cover everything from zoning compliance with the City of Ottawa, to insurance requirements, signage rights, and exact definitions of what constitutes “additional rent” (TMI – Taxes, Maintenance, and Insurance).

Step 3: Review, Revision, and Execution

You must never sign the landlord’s initial draft without having your own Ottawa lawyer review it. Your lawyer will read through the dense legal language, redline (edit) clauses that are unfairly biased toward the landlord, and negotiate compromises. Once both law firms finalize the wording, you and the landlord will sign the final documents, officially securing your new commercial space.

How Much Does it Cost in Ottawa?

Legal fees for commercial leases vary widely based on the size of the space and the complexity of the business arrangement. 💰

Type of ServiceEstimated Lawyer Fees (CAD)
Basic Lease Review (Reviewing a standard landlord-provided lease)$800 to $1,500 CAD
Drafting a Standard Lease (Drafting from scratch for a typical office/retail space)$1,500 to $3,500 CAD
Complex Lease Negotiation (Large industrial sites, specialized build-outs)$4,000 to $7,500+ CAD

How Long Does the Process Take?

The timeline for finalizing a commercial lease depends heavily on how aggressively the parties negotiate. ⏰ Once the Letter of Intent is agreed upon, the landlord’s lawyer generally takes one to two weeks to draft the formal lease. The review and negotiation phase between the two law firms typically adds another two to four weeks. In total, you should expect the entire process from the initial offer to the final signatures to take roughly four to six weeks.

Frequently Asked Questions (FAQ)

What is the difference between a Net Lease and a Gross Lease?

In a Gross Lease, you pay a single flat amount, and the landlord covers all property taxes, insurance, and maintenance. In a Net Lease (often called Triple Net or TMI), you pay a lower base rent but are also responsible for paying your proportionate share of the building’s taxes, insurance, and common area maintenance costs.

Can I just use a free commercial lease template from the internet?

It is highly discouraged. Generic templates rarely comply fully with Ontario’s Commercial Tenancies Act and often lack crucial protections regarding Ottawa municipal by-laws, assignment rights, and eviction procedures. A mistake here could cost your business tens of thousands of dollars.

What happens if my business fails and I need to break the lease?

Unlike residential leases, commercial tenants cannot simply give 60 days’ notice to leave. If you break a commercial lease, you are generally liable for the rent for the remainder of the term. Your lawyer should try to negotiate an assignment or subletting clause, allowing you to transfer the lease to another business owner.

Do I have to pay my lawyer upfront?

Most commercial real estate law firms in Ottawa will require a retainer (an upfront deposit) of $1,000 to $2,000 CAD before they begin drafting or reviewing your complex lease documents. The final balance is billed once the lease is signed.

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