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Can You Extend or Change the Closing Date in Ontario?

See how to ask for a closing date extension in Ontario, what a written amendment should say, and what risks come with delay or missing closing.

Real Estate5 min readTSLBy the Treadstone Law Team · OntarioUpdated November 1, 2026
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Key takeaways
  • Whether a closing date can be moved depends on your agreement and on what the other side is willing to do, so confirm your position with a lawyer before a date passes.
  • If time is of the essence and neither side is ready, the agreement stays in effect and either party can restore time of the essence with a new date and reasonable notice.
  • A buyer who repudiates and fails to close can lose the deposit without the seller proving damage.

Plans slip. A mortgage is delayed, a move is not ready, or the other side needs more time. If you are a buyer or seller in Ontario facing a closing date you cannot meet, you may wonder whether you can simply move it.

You can ask, but the other side may not agree. This article explains how to approach the request, what a written amendment should cover, and what is at stake if closing does not happen on time.

Changing the date is a matter of agreement

The closing date is a term of your agreement of purchase and sale. How a change can be made depends on the wording of your agreement and on what the other side is prepared to do, so approach it as a conversation and confirm the details with a lawyer. If time is of the essence and neither party is ready to close on the agreed date, the agreement stays in effect, and either party can restore time of the essence by setting a new closing date and giving the other party reasonable notice.

Expect the other side to ask why you need more time and how long. Some sellers will agree if they are not planning around the date. Others may want something in return, such as extra money or a firm new date.

What time of the essence means

Many agreements say time is of the essence, which means the closing date is strict. If time is of the essence and neither party is ready to close on the agreed date, the agreement stays in effect. Either party can restore time of the essence by setting a new closing date and giving the other party reasonable notice.

This matters because a missed date can be treated as a breach. Before you let a date pass, speak with a lawyer about where you stand, since the result depends on the wording of your agreement and the facts.

What a written amendment should say

Any change to the closing date is best recorded clearly in writing, and a lawyer can help you word it. Points that are commonly addressed include:

If you have a mortgage, check with your lender, because a new date can affect the mortgage commitment and any rate hold.

What is at risk if closing does not happen

If a buyer repudiates the agreement and fails to close, the deposit is forfeited to the seller without proof of any damage, because the deposit is security for performance and not damages. A court can grant relief against forfeiture under s. 98 of the Courts of Justice Act. For real estate deposits, courts have asked whether the forfeited deposit is out of all proportion to the seller's damages and whether it would be unconscionable for the seller to keep it.

A seller can also claim damages beyond the deposit. These are typically the difference between the agreed price and the property's value on the date set for closing, and the seller must take reasonable steps, such as reselling, to limit its loss.

The risk runs both ways. When a seller fails to close, the buyer's damages are presumptively the difference between the contract price and the market value on the closing date. An order forcing the sale to close is not granted as a matter of course. The party asking must show the property is unique and that damages would be inadequate, and courts should be reluctant to order it for a property bought solely as an investment.

New builds and what to do next

New homes have separate protections. If a builder misses the firm closing date (freehold) or firm occupancy date (condo) without a mutual extension or an unavoidable delay, the buyer gets delayed closing compensation of up to $7,500, including $150 per day for living expenses without receipts. Signing a mutual extension can affect this, so read any builder extension carefully before signing.

Frequently asked questions

Does the seller have to agree to a later closing date?

That depends on the wording of your agreement and the facts, so it is worth confirming with a lawyer. Asking is reasonable, but do not assume a request will be accepted. If you reach an agreement, have it recorded clearly in writing.

What happens if neither of us is ready on closing day?

If time is of the essence and neither party is ready, the agreement stays in effect. Either party can restore time of the essence by setting a new closing date and giving reasonable notice.

Can I lose my deposit if I cannot close?

Yes. If a buyer repudiates and fails to close, the deposit is forfeited to the seller without proof of damage. A court may grant relief against forfeiture in some cases, but that is not automatic.

Is a builder delay different?

For new homes, if the builder misses a firm closing or occupancy date without a mutual extension or an unavoidable delay, the buyer may receive delayed closing compensation of up to $7,500.

This article is general information, not legal advice. Reading it does not create a lawyer-client relationship. Ontario laws, tax rates, and government programs change, and how the law applies depends on your specific facts. For advice about your situation, speak with a licensed Ontario lawyer. Treadstone Law is licensed by the Law Society of Ontario — reach us at 1-844-900-1070 or start a file online.

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