Conditional vs. Firm Offers: What Ontario Home Buyers Need to Know

When you make an offer to purchase a home in Ontario, one of the first decisions you will face is whether to submit a conditional offer or a firm offer. Understanding the difference between a conditional offer vs. firm offer in Ontario can be the single most important thing you do to protect yourself in a real estate transaction. Getting it wrong can cost you your deposit — or lock you into a purchase you cannot complete.

This article explains both types of offers, the conditions buyers most commonly include, what happens when you waive them, and the real risks of going firm in a competitive market.

What Is a Conditional Offer?

A conditional offer is an agreement to purchase a property that only becomes binding once certain specified conditions are met — or waived — within a set timeframe. Until those conditions are satisfied, either party may have grounds to walk away (depending on how the condition is drafted).

Conditions are inserted into the Agreement of Purchase and Sale (the standard contract used across Ontario) as clauses that describe:

• what must happen (e.g., the buyer must obtain satisfactory mortgage financing),
• by what deadline (e.g., within five business days of acceptance), and
• what happens if the condition is not met (typically, the deal is void and the deposit is returned to the buyer).

A conditional offer gives the buyer a structured window to confirm that the deal makes sense before they are fully and irreversibly committed.

Common Conditions Buyers Include

Financing Condition

The financing condition (sometimes called the mortgage condition) gives the buyer time to secure a mortgage commitment from their lender. Even if you have a pre-approval, lenders still need to assess the specific property and your full application before issuing a firm commitment. Without this condition, if your financing falls through you remain legally bound to close — and stand to lose your deposit and face further legal liability.

As of writing, most lenders require a full appraisal and underwriting review after an accepted offer. Buyers should verify current turnaround times with their mortgage professional.

Home Inspection Condition

A home inspection condition allows the buyer to hire a qualified inspector to examine the property's physical condition — roof, foundation, electrical, plumbing, HVAC, and more. If the inspection reveals material defects the buyer finds unacceptable, the buyer may be able to declare the condition unsatisfied and exit the deal. This condition is particularly important for older homes or properties sold "as is."

Status Certificate Condition (Condominiums Only)

When purchasing a condominium unit, buyers should include a condition giving them time to review the condominium corporation's status certificate — a package of documents that includes the corporation's financial statements, reserve fund study, current budget, any outstanding special assessments, and the declaration and rules. Ontario's Condominium Act gives a buyer a set review period (verify the current period with your lawyer, as legislative timelines can change). A status certificate review is not optional due diligence — a poorly funded reserve or looming special assessment can add thousands of dollars to your ownership costs.

Sale of Existing Home Condition

Buyers who already own property sometimes include a condition making their purchase contingent on selling their current home. This protects them from carrying two mortgages. Sellers, however, frequently resist this condition in competitive markets. If a seller receives another offer while this condition is outstanding, they may trigger an escalation clause or issue a notice requiring the buyer to either waive the condition or walk away — a mechanism sometimes called a "bump clause."

The Irrevocable Period

Every offer in Ontario includes an irrevocable period — a window during which the person making the offer cannot withdraw it, giving the other side time to review and respond. Once the irrevocable period expires, the offer lapses unless accepted. Buyers should keep this window as short as is practical, particularly in multiple-offer situations, to avoid being locked out of competing on other properties.

What Does It Mean to Waive a Condition?

Once an accepted offer is conditional, the buyer (or seller, for any conditions on their side) must formally waive or fulfill each condition in writing before the deadline. A waiver is a signed document confirming that the buyer is satisfied with the outcome of the condition — or has chosen to proceed regardless.

Waiving a condition is a serious legal step. The moment the last condition is waived or fulfilled, the agreement becomes firm and binding. There is no cooling-off period for resale residential property in Ontario (unlike pre-construction purchases, which carry a statutory rescission right — verify current rules with a lawyer). Once the deal is firm, backing out means forfeiting your deposit and potentially facing a lawsuit from the seller for additional damages.

Going Firm: What It Means and the Risks

A firm offer contains no conditions. It is unconditional from the moment of acceptance. In hot markets, sellers often favour firm offers because they close reliably and quickly. Buyers sometimes submit firm offers to win bidding wars or to signal confidence.

The risks of going firm are significant:

• Financing risk: If your lender declines the mortgage after you go firm, you are still legally required to close. This can result in losing your deposit and being sued for the seller's losses if they re-sell at a lower price.
• Inspection risk: Hidden defects discovered after the fact are yours to deal with. Sellers are obligated to disclose known latent defects, but the burden of proving what a seller knew is on the buyer.
• Status certificate risk (condos): You commit without seeing whether the corporation is financially sound.
• Title risk: A thorough title search by your lawyer before closing can catch most title issues, but conditions give you time to address them before you are legally bound.

Going firm without proper preparation — a confirmed mortgage, a pre-offer inspection where permitted, and a lawyer's review of the agreement — is one of the most common causes of buyer distress in Ontario real estate.

Can You Back Out of a Firm Offer?

Generally, no. Once an agreement is firm, both parties are bound. The seller can agree to mutually release the buyer (and may return the deposit), but they are under no obligation to do so. If the seller refuses a release and the buyer fails to close, the seller can:

• keep the deposit,
• sue the buyer for additional damages (the difference between your agreed price and a lower sale price, plus carrying costs), and
• obtain a court order for specific performance in some cases.

The short answer: treat a firm offer as a financial commitment you must be prepared to fulfill.

Frequently asked questions