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Pre-Construction vs Resale

Pre-construction vs resale: which is the smarter buy?

A resale home is what you see today — you get a firm mortgage, a quick close, and no surprises. Pre-construction means buying on paper for a future closing: lower deposits spread out, a brand-new home, but financing you can't fully lock until completion, extra closing costs, and real appraisal risk if values shift. The right pick depends on your timeline and your tolerance for uncertainty.

Resale = certainty, quick closePre-con = new build, future closeWatch HST + closing addersAppraisal-at-completion riskGet a financing plan early
5-star rated| FSRA #13737| 5-min pre-qualification

Written by the Mortgage Squad Advisors Editorial Team · Reviewed by the Principal Broker, FSRA #13737 · Updated June 2026

The short answer

Buy resale if you want certainty and a near-term move — you can get a firm mortgage approval now, close in weeks, and you know exactly what you're getting. Buy pre-construction if you want a brand-new home, can wait months or years for completion, and you're comfortable that you usually can't fully lock your mortgage until close (lenders won't firmly commit a rate that far out, so your rate and even your qualifying can change by completion). Pre-construction also carries extra costs resale doesn't — HST considerations, development levies, and assignment/occupancy nuances — plus a real risk that the appraisal at completion comes in below your purchase price, leaving you to cover the gap. The single most important move with pre-construction is to plan the financing up front, not at the eleventh hour.

At a glance

Which one is built for you?

A

Resale home

An existing home you can see and inspect. Firm mortgage approval now, a quick close, and no construction-timeline uncertainty.

Best for
  • You want certainty about what you're buying
  • You need to move in the near term
  • You want to lock financing and close quickly
  • You'd rather avoid completion-date and HST surprises
B

Pre-construction

A new home bought on paper for a future closing. Lower deposits spread over time and a brand-new build — but financing and value firm up only near completion.

Best for
  • You want a brand-new home and can wait
  • Spreading deposits over time suits your savings
  • You're comfortable with financing/value uncertainty
  • You understand the extra closing costs involved
Side by side

The full comparison

FactorResale homePre-construction
What you're buyingAn existing home you can inspectA home on paper, built for a future date
Move-in timingWeeksMonths to years (completion date)
Mortgage approvalFirm nowCan't be fully locked until near completion
DepositStandard down payment at closeLower deposits spread over a schedule
Rate certaintyLock today's rateRate (and qualifying) can change by completion
Extra costsStandard closing costsHST, development levies, occupancy/assignment fees
Appraisal riskLow — priced to today's marketReal — value at completion may be below price
ConditionAs-is (inspect carefully)Brand new, with warranty
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The financing difference that catches buyers off guard

With a resale home, financing is straightforward: you get a pre-approval, make an offer, the lender appraises the specific property, and you close in weeks with a firm mortgage at a locked rate. What you sign for is what you get.

Pre-construction is fundamentally different because your closing might be years away, and no lender will firmly commit a mortgage rate that far into the future. You'll typically get a pre-approval at purchase, but the binding mortgage — the actual rate and final qualifying — is set close to completion. That means your rate could be higher by then, and just as importantly, your qualifying could change: if your income, the rules, or rates have shifted by completion, the amount you can borrow may differ from what you assumed when you signed. This is the single biggest pre-construction risk, and it's why a financing plan matters from day one — see our pre-construction mortgage guide and the pre-construction page.

The hidden costs of buying new

Resale closing costs are well understood — land transfer tax, legal fees, inspection, and an insurance premium if you put less than 20% down. Pre-construction stacks on several extras that surprise first-time new-build buyers:

HST — new homes are subject to HST. There are rebates for owner-occupiers built into the price, but if you're an investor (or don't qualify for the rebate), you may owe a substantial amount at closing and claim it back later. • Development levies and adjustments — municipal charges the builder passes to you, sometimes capped in the contract, sometimes not. • Occupancy and assignment fees — for condos, an 'interim occupancy' period where you pay the builder before you actually own, plus fees if you assign the contract before closing (here's how assignment sales work).

A good lawyer reviews the contract for these before you sign, and a broker helps you budget for them — they can add up to tens of thousands beyond the headline price.

Appraisal risk: the gap that can blindside you

Here's a scenario every pre-construction buyer should understand. You sign to buy a condo for $700,000, with completion three years out. At closing, the lender orders an appraisal — and if the market has softened, the home may appraise at, say, $640,000. The lender will only finance based on the lower of the purchase price or the appraised value, so you'd have to cover that $60,000 gap in cash on top of your planned down payment.

This 'appraisal gap' risk simply doesn't exist with resale, where you're buying at today's verified market value. It's the flip side of pre-construction's appeal: you're betting on the future, and the future can move against you as well as for you. It doesn't make pre-construction a bad choice — many buyers do very well — but it means you should buy with a cushion, not at the absolute edge of your budget, and have a plan for how you'd cover a shortfall. We stress-test exactly this when we help pre-construction buyers.

So which should you buy?

Choose resale if certainty and timing matter most: you want to know exactly what you're getting, lock your financing now, and move in soon. It's the lower-risk path, and for most buyers who need a home to live in on a defined timeline, it's the sensible default.

Choose pre-construction if you want a brand-new home with modern finishes and warranty, you can wait for completion, and you genuinely understand and can absorb the uncertainties — unlocked financing until close, the extra costs, and appraisal-gap risk. It can be a strong move, especially when deposits spread over time fit your savings and you've built in a cushion. The deciding factors are your timeline and your tolerance for financial uncertainty. Whichever way you lean, the smartest first step is the same: talk to an independent broker early so the financing is planned, not improvised — with pre-construction especially, that planning is what protects you. Maya can walk you through the trade-offs any time.

Your situation

Which is right for you?

You need a home to live in this year

Usually: Resale

Firm financing now and a quick close. Certainty about the property and the mortgage is worth a lot when you have a real timeline.

You want new, can wait, and have a cushion

Usually: Pre-construction

A brand-new home with spread-out deposits can suit you — provided you understand the financing and appraisal risks and don't buy at the edge of your budget.

You're stretching to the max of your budget

Usually: Resale

Pre-construction's appraisal-gap and rate-change risks are dangerous with no cushion. Resale's certainty protects a tight budget.

You're an investor eyeing assignment

Usually: Pre-construction (with advice)

HST, assignment rules, and financing-at-completion get complex fast. Get legal and mortgage advice before signing — the details decide the outcome.

FAQ

Common questions, answered.

Don’t see yours? Ask Maya — instant answer, any time.

Is it better to buy pre-construction or resale?
It depends on your timeline and risk tolerance. Resale gives you certainty — a firm mortgage now, a quick close, and a home you can inspect. Pre-construction offers a brand-new home with deposits spread over time, but your financing can't be fully locked until completion, there are extra costs (HST, levies, occupancy/assignment fees), and you face appraisal-gap risk if values fall. Resale is the lower-risk default; pre-construction suits buyers who can wait and absorb uncertainty.
Can I lock my mortgage rate for a pre-construction home?
Not fully, if completion is far out. Lenders won't firmly commit a rate years in advance, so while you'll usually get a pre-approval at purchase, the binding mortgage and final rate are set close to completion. Some builders or lenders offer extended rate holds (longer than a typical 120 days) on certain projects, but in general you should plan for the possibility that rates — and your qualifying — could be different by the time you close.
What extra costs come with pre-construction?
Beyond standard closing costs, new builds can involve HST (with rebates for owner-occupiers built into the price, but potential out-of-pocket for investors), development levies and adjustments passed on by the builder, and for condos an interim occupancy period plus assignment fees if you sell the contract before closing. These can add tens of thousands beyond the purchase price, so have a lawyer review the contract and budget for them up front.
What is appraisal risk on a pre-construction purchase?
It's the risk that when your home is appraised at completion, it comes in below the price you agreed to years earlier. Lenders finance based on the lower of the purchase price or appraised value, so if the market softened, you'd have to cover the difference in cash on top of your down payment. This 'appraisal gap' doesn't exist with resale, where you buy at today's verified value — so pre-construction buyers should keep a financial cushion.
Should I get a mortgage broker for pre-construction?
Yes — arguably more than for resale. Pre-construction financing is more complex: the mortgage firms up near completion, qualifying can change, and there are extra costs and appraisal risks to plan for. A broker can secure the best available rate hold, model how a rate or income change at completion would affect you, build in a cushion for appraisal risk, and coordinate with your lawyer on the contract. Planning the financing early is what protects you.

Still deciding? We’ll model both.

We’ll run your real numbers both ways and show you the payment, the risk, and the break cost — no obligation, no credit check to start.