Do you have to agree a completion date?

Asked by: Silas Hegmann  |  Last update: May 8, 2026
Score: 4.2/5 (57 votes)

Yes, you must agree on a completion date, as it's a critical, negotiated, and legally binding part of a property sale contract, set by all parties involved (buyer, seller, and chain) and fixed once contracts are exchanged. This date dictates when funds transfer and ownership changes hands, requiring coordination with solicitors and agents for a date that works for everyone in the transaction chain.

What happens if you can't agree to a completion date?

No, you cannot force a completion date, but if your buyer delays beyond the completion date, you can serve a Notice to Complete, which sets a new deadline for completion.

Can you exchange contracts without agreeing a completion date?

Exchange cannot happen without a completion date written into the contract. An exception are new-build off-plan purchases, which may allow exchange without a fixed date, as long as a long-stop date is included in the contract. If you're buying a new build, see our full guide to the new build conveyancing process.

How is a completion date agreed?

Choosing a completion date involves coordination and agreement among all parties in the chain, including buyers, sellers, and their solicitors. Communication is key, and estate agents often play a crucial role in mediating disputes or disagreements.

What is the 3 3 3 rule in real estate?

The "3-3-3 Rule" in real estate refers to different guidelines, but commonly means a buyer should spend no more than 30% of their gross monthly income on housing, have a down payment/emergency fund of at least 30% of the home's value, and the home's price shouldn't exceed 3 times their annual income, ensuring financial stability. Other variations focus on marketing for agents (3 calls, notes, resources) or property evaluation (past 3 years, future 3 years, 3 nearby comps). 

Explaining The Process Of Exchange Of Contracts

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What salary do you need to make to afford a $400,000 house?

To afford a $400k house, you generally need an annual income between $100,000 and $125,000, though this varies; lenders often look for housing costs under 28% of gross income (around $2,300-$2,800/month) and total debt under 36% (DTI), so a larger down payment and lower existing debts allow for lower incomes, while high debts or low down payments require more income, potentially reaching $130k+. 

What is a red flag when buying a house?

Red flags when buying a house include major structural issues (foundation cracks, sagging floors), pervasive water damage (stains, musty smells, basement flooding), poor maintenance (overgrown yard, peeling paint), signs of hasty DIY renovations, and problems with major systems (roof, electrical, HVAC). Other warnings involve vague seller disclosures, a home sitting too long on the market, or an unwillingness to allow inspections, signaling potential hidden problems. 

What can go wrong on completion day?

On completion day you can have last-minute problems like delays with the transfer of funds particularly in a chain, a removal company letting you down or emptying a property taking longer than expected. Avoid problems with your move by finding the right removals company, researching how to pack for moving house.

What is the hardest month to sell a house?

The hardest months to sell a house are typically November, December, and January, due to holiday distractions, colder weather, shorter daylight hours, and fewer motivated buyers, with December often cited as the slowest due to year-end festivities. While these months see lower buyer activity, some serious buyers remain, and low inventory can create opportunities for sellers who are flexible, though generally, you'll face less competition and potentially lower seller premiums compared to spring.
 

Who decides the date of completion?

The buyer and seller agree the completion date, along with other parties if there's a chain. Although the completion process is different if you're buying a new build home. Completion day traditionally has to be on a working weekday, to enable the money transfers through the bank and so your solicitor is available.

Do estate agents charge if you pull out of sale?

Estate agent contracts: Do I have to pay estate agent fees if I pull out? This will depend on the estate agent contract you've signed. Some agents will still charge a marketing fee even if you sit out the notice period. Check the contract before you sign.

What are three things that can cause a contract to be void?

Three major reasons a contract becomes void (invalid from the start) are illegal purpose (e.g., a contract to commit a crime), lack of capacity (one party is a minor, mentally incapacitated, or intoxicated), and lack of mutual assent/fraud/duress (e.g., one party was forced, tricked, or there was a fundamental misunderstanding between parties). These issues prevent a contract from being legally enforceable, treating it as if it never existed. 

What happens if the completion date is missed?

This breach of contract can affect everyone in the chain. Delayed completion means that the legally-binding agreement to complete on a certain date isn't met, giving rise to potential compensation claims and additional costs. This is different from a chain break, which happens before contracts are exchanged.

Can a sale fall through between exchange and completion?

A sale collapsing after exchange is one of the most difficult situations in property law. Unlike a sale falling through before exchange, there are serious legal and financial consequences.

What decreases property value the most?

Deferred maintenance, major structural issues (like foundation or roof problems), outdated kitchens/bathrooms, and poor curb appeal are huge value killers, but bad neighbors, noisy locations, unusual renovations (like garage conversions), and negative local factors (like nearby foreclosures or environmental hazards) can also significantly decrease property value. The biggest factors often involve expensive, hard-to-fix problems or things outside your control that make a home seem undesirable or costly to maintain. 

How long after a house is sold can you move in?

Once closing paperwork is signed and the deed is recorded, you get the keys and can move in immediately. Same-day possession works well when sellers have already moved out or have another home ready. There's no waiting period, no additional agreements to negotiate, and no confusion about when you can start unpacking.

What devalues a house the most?

The biggest house devaluers are major deferred maintenance (roof, foundation, HVAC), poor location/neighborhood issues (bad schools, high crime, undesirable views), severe over-personalization, and significant functional problems like too few bedrooms or bad layouts, as these signal high costs and major headaches for buyers, often outweighing cosmetic fixes. Unpermitted renovations, bad curb appeal, and a history of distress in the area also significantly reduce perceived value. 

What salary do you need for a $400,000 house?

To comfortably afford a 400k mortgage, you'll likely need an annual income between $100,000 to $125,000, depending on your specific financial situation and the terms of your mortgage.

What are some red flags when selling?

Disorganized or Incomplete Financials

These signal a lack of sophistication and create uncertainty, which buyers translate into either a discounted purchase price or a hard pass. Solution: Engage a qualified CPA to clean up your financials and prepare quality of earnings materials, even informally.

What is the biggest red flag in a home inspection?

The biggest home inspection red flags involve structural integrity (large foundation cracks, uneven floors, sticking doors/windows), major system failures (old/unsafe wiring, old plumbing, leaky roof with water damage/mold), and severe pest infestations (termites, extensive rodent damage), as these signal costly, safety-compromising issues requiring immediate professional attention, often from specialists like structural engineers.
 

What happens if a buyer pulls out on completion day?

After an exchange of contracts, if a buyer pulls out of the purchase and fails to complete on the agreed completion day, the buyer will be in breach of contract. The contract will contain provisions for the buyer to forfeit, i.e., lose, their deposit to the seller, and other provisions for compensation for losses.

What not to do after closing?

Don't:

  1. Quit your job or take a position that pays less. ...
  2. Start (unnecessary) renovations right away. ...
  3. Delay updating bills and documents. ...
  4. Throw away paperwork from the transaction.

How much house can I afford if I make $70,000 a year?

With a $70,000 salary, you can generally afford a house in the $210,000 to $350,000 range, but this varies greatly; lenders often suggest your total housing costs be under $1,633/month (28% of your gross income), with your final budget depending on your credit score, down payment, and existing debts. A larger down payment lowers your loan, while higher interest rates or existing debts (like car loans or student loans) decrease your price range. 

What is the 5/20/30/40 rule?

The 5/20/30/40 rule is a flexible financial guideline, often for home buying, suggesting your home price be under 5x income, with a 20-year mortgage, <30% EMI, and a ~40% down payment to ensure affordability and financial stability, balancing housing costs with savings for future goals and daily expenses. It helps avoid overborrowing by setting limits on debt and promoting a healthy savings buffer.