Demystifying the Agreement of Purchase and Sale: Every Clause Explained for Homebuyers

The Agreement of Purchase and Sale is the most important document you will sign in a real estate transaction, and many first-time buyers sign it without fully understanding what it says. Written in legal language and packed with clauses, schedules, and conditions, it can feel like a contract designed to confuse rather than protect you.

It does not have to be that way. The Agreement of Purchase and Sale governs everything from what you are buying and what you are paying, to what happens if your financing falls through or the home fails inspection. Understanding each clause before you sign puts you in better control of one of the largest financial decisions of your life.

This guide breaks down the standard clauses in plain language, explains why conditions like financing and home inspection are important protections, and highlights what to watch for before your pen hits the paper.

What Is the Agreement of Purchase and Sale?

The Agreement of Purchase and Sale, often called the APS, is the legally binding contract between a buyer and a seller in a real estate transaction. Once both parties sign and all conditions are waived or satisfied, neither side can back out without potential legal consequences.

In Ontario and many Canadian provinces, a standard APS form is commonly issued by the Ontario Real Estate Association or a similar provincial body. In the United States, comparable documents may be called a Purchase and Sale Agreement or a Real Estate Purchase Contract, and they vary by state.

The APS is not a preliminary document. It is the deal itself. Everything negotiated between you and the seller, from price to possession date to what appliances are included, lives inside this contract.

The Parties: Buyer, Seller, and Their Agents

The opening section of the APS identifies the people and brokerages involved in the transaction:

• The buyer, exactly as the name appears on government-issued identification
• The seller, being the registered owner or owners of the property
• The listing brokerage representing the seller
• The co-operating brokerage representing the buyer, if applicable

Why This Section Matters

Names should match exactly what will appear on title. If you plan to buy jointly with a spouse or partner, both names should appear. If you are buying through a corporation, the corporation’s legal name must be used.

A common issue arises when buyers later want to add or remove a name after signing. That usually requires an amendment that both parties must agree to, so it is worth getting the names right from the start.

The Property Description

This section legally identifies what you are buying. It usually includes:

• The municipal address of the property
• The legal description tied to the land registry
• Sometimes the frontage and depth of the lot, depending on the form

Your lawyer will cross-reference the legal description against the title search to make sure they match. Discrepancies are uncommon, but they can signal administrative errors or boundary issues that need to be resolved before closing.

Purchase Price and Deposit

Purchase Price

This is the agreed amount the buyer will pay for the property. The APS usually states the full purchase price numerically and in writing. Any difference between the two, even a small one, should be flagged immediately.

Deposit

The deposit is a portion of the purchase price paid up front to show good faith. In Canada, standard deposits often range from 2% to 5% of the purchase price, although that varies by market and negotiation.

Key deposit details set out in the APS usually include:

• The amount being deposited
• Who will hold it, often the listing brokerage in trust
• When it is due
• What happens to it if the deal closes or falls apart

The deposit is not the same as the full down payment. It is usually just an early part of it. The remainder of your down payment and your closing costs are dealt with closer to the closing date.

Irrevocability: The Clock Is Ticking

The irrevocability clause sets the deadline by which the other party must accept, reject, or counter your offer. Once the offer is submitted, it generally cannot be withdrawn before that deadline expires.

For example, if you submit an offer at 2:00 PM with an irrevocability time of 11:59 PM that evening, the seller has until then to respond. If they do not, the offer expires.

Why This Matters in Competitive Markets

In a competitive market, sellers may receive multiple offers. The irrevocability deadline creates urgency and prevents buyers from leaving an offer open indefinitely while continuing to shop around.

Set a realistic timeline. If it is too short, the seller may not have enough time to review. If it is too long, the offer may lose strategic value.

Completion Date (Closing Date)

The completion date, also called the closing date, is the day ownership legally transfers from the seller to the buyer. This is the date title is registered in the buyer’s name and keys are released.

When choosing a closing date, think about:

• Your lender’s timeline for final approval and funding
• Your current lease or housing arrangements
• The seller’s preferred timing
• The fact that closings generally cannot happen on weekends or statutory holidays

A very short closing can be risky for first-time buyers who still need time to arrange financing, legal review, and logistics. A longer closing creates more breathing room, but also means the deal remains open longer.

Chattels and Fixtures: What Stays, What Goes

This is one of the most misunderstood sections of the APS and one of the most common sources of frustration on closing day.

The Difference Between a Chattel and a Fixture

Fixtures are usually items attached to the property and are included in the sale by default. Examples can include light fixtures, built-in shelving, central air conditioning, and garage door openers.

Chattels are moveable items that the seller takes unless they are specifically listed in the APS. Examples often include refrigerators, stoves, washers, dryers, window coverings, or outdoor furniture.

How to Protect Yourself

If you want a specific appliance, shed, or set of window coverings to stay, it should be listed clearly in the APS. Vague references can create conflict later.

Likewise, if the seller wants to take something that might otherwise look included, such as a decorative light fixture, that should be specifically excluded. What is written in the APS is what matters most.

Conditions: The Most Important Clauses in the Contract

Conditions, sometimes called contingencies in the United States, are clauses that allow the buyer to walk away from the deal and potentially recover the deposit if certain requirements are not met within the specified time.

Conditions are one of the strongest protections a buyer has in a real estate transaction. Waiving them should never be done casually.

Financing Condition

A financing condition gives the buyer a set number of days, often three to seven business days, to secure a mortgage commitment from a lender. If the financing falls through during that period, the buyer may be able to walk away and have the deposit returned.

What many buyers misunderstand is that a mortgage pre-approval does not always mean financing is guaranteed. Final approval depends on the lender’s review of the property itself, including the appraisal. If the lender values the property lower than the purchase price, the approved mortgage amount may be smaller than expected.

In a seller’s market, buyers may feel pressure to waive the financing condition to strengthen the offer. That can be a serious risk. If you cannot secure financing and you have no valid condition to rely on, you may lose the deposit and face further legal exposure.

Home Inspection Condition

A home inspection condition gives the buyer the right to hire a licensed home inspector to assess the visible condition of the property. If the inspection reveals defects the buyer finds unacceptable, the buyer may be able to void the agreement within the condition period.

What the inspection commonly covers includes:

• Foundation and structure
• Roof condition
• Electrical systems
• Plumbing systems
• HVAC equipment
• Insulation and ventilation
• Windows, doors, and exterior components
• Visible signs of water damage or mold

A home inspection often costs between $400 and $600 and usually takes a few hours. The written report can become an important part of your decision-making.

It is also important to understand what the inspection does not cover. Inspectors usually assess visible and accessible areas only. They cannot see inside walls, behind finished ceilings, or below concrete slabs, which is one reason a legal review and proper due diligence still matter even after a clean inspection.

Status Certificate Condition (Condos)

If you are buying a condominium, a status certificate condition is essential. The status certificate is a package of documents from the condominium corporation that shows the financial and legal health of the building.

Your lawyer will commonly review it for:

• The size and adequacy of the reserve fund
• Any special assessments
• Active or pending litigation
• Monthly maintenance fees and what they cover
• Rules and restrictions that may affect how you use the unit

Buyers often have 10 days from receipt of the status certificate to review it and decide whether to proceed. This is an area where lawyer review is especially important.

Sale of Existing Home Condition

If you are buying a new home before selling your current one, you may include a condition that makes the purchase contingent on that sale happening first. This helps protect you from becoming responsible for two properties at once if your current home does not sell in time.

This condition is more common in slower markets and less common in competitive ones. Sellers may accept it only if they also include an escape clause that lets them keep marketing the property and move on if a better offer appears.

Schedules and Additional Terms

The main body of the APS is often supplemented by schedules, which are extra pages containing negotiated terms and special wording.

Common schedules may include:

• Additional conditions or special agreements
• Representations or warranties from the seller
• Property-specific details not captured elsewhere in the form

If something was agreed to verbally, it should also appear in writing in a schedule if you want it to be enforceable. Promises about repairs, inclusions, or adjustments should not be left to memory.

What Happens If Something Goes Wrong

If the Buyer Cannot Close

If a buyer fails to close without a valid condition to rely on, the seller may be able to keep the deposit and pursue additional damages.

If the Seller Cannot Close

If the seller fails to close, the buyer may have remedies such as a claim for damages or, in some cases, specific performance. The appropriate response depends on the facts and should be reviewed with a lawyer.

Extending the Closing Date

If either side needs more time, the closing date can be extended by mutual written agreement. Extensions are common, but they can still create extra cost or practical problems, especially if financing arrangements are time-sensitive.

The Role of Your Lawyer in Reviewing the Agreement

Your real estate agent may draft and present the APS, but your lawyer reviews it from the perspective of legal risk and protection. That is an important difference.

Whenever possible, have your lawyer review the APS before you sign. In fast-moving markets that is not always easy, but even a short consultation can help identify a clause that may cause problems later.

After the deal becomes firm, your lawyer will review the APS closely as part of preparing for closing, cross-checking the contract against the title search, status certificate if applicable, and the documents provided by the seller’s lawyer.

For more on what your lawyer does throughout closing, see our first-time homebuyer legal closing checklist.

Final Red Flags to Watch Before You Sign

Before signing any Agreement of Purchase and Sale, run through this checklist:

• Are all buyer and seller names spelled correctly and complete?
• Does the legal description match the property you intend to buy?
• Is the deposit amount, deadline, and trust holder clearly stated?
• Are all chattels you expect to keep listed explicitly?
• Are all fixtures the seller is removing explicitly excluded?
• Is there a financing condition with enough time to get full approval?
• Is there a home inspection condition?
• If buying a condo, is there a status certificate condition?
• Is the closing date realistic for your lender and moving timeline?
• Have all verbal agreements been captured in a schedule?
• Has your lawyer had a chance to review before you sign?

Knowledge Is Your Best Protection

The Agreement of Purchase and Sale is not designed to trip you up, but it will not protect you from what you do not understand. Every clause exists for a reason, and every condition you include is a safeguard you are choosing to use.

Take the time to read it. Ask your real estate agent to walk you through it. Have your lawyer review it. And do not let urgency pressure you into waiving conditions that exist to protect your deposit, your investment, and your peace of mind.

For general public guidance in Ontario, buyers can also review consumer resources published by organizations such as the Law Society of Ontario and the Ontario Real Estate Association.