Free calculator
Pre-construction or resale?
Five Halton scenarios — condo, stacked town, freehold town, detached and investor — compared over the same horizon, with the one number that decides it.
Start here
The comparison is not price against price.
It is a deposit, three years of rent and a pile of unknown closing costs, against a mortgage that starts paying itself down next month. Pick a scenario and adjust it to your situation.
Scenario
The resale side
Assumptions
Over 5 years, ahead by
$3,829Pre-construction · at 3% a yearNet position is equity at year 5 less everything you paid to get there. Both sides are usually negative, because housing costs money — you also got 5 years of somewhere to live, which does not appear as a number. Compare the two figures against each other; the absolute values are not a profit or a loss.
The two numbers that actually matter
Break-even appreciation2.01% a year
Break-even rent while you wait$2,856 / month
Pre-construction only works if what you pay for housing in the meantime stays below about $2,856 a month. You have assumed $2,750. This is the assumption people get wrong most often — three years of rent is a very large number, and rents rise while you wait.Pre-construction wins only if prices rise faster than 2.01% a year between now and year 5. You have assumed 3%, which is above that line — so the pre-construction result above depends entirely on that assumption holding.Where the pre-construction money goes
Deposits, before you own anything$144,000
Housing you still pay for while waiting$99,000
Occupancy fees · 9 months building no equity$28,307
Builder closing costs and levies$28,000
Months of the 5 years you actually own it15 of 60
The deposit is doing nothing for you during the wait — it is not earning, not sheltering you, and not paying down anything. That opportunity cost is real and is not counted above.Where the resale money goes
Down payment and closing costs$142,575
Repairs on day one$6,000
Maintenance over 5 years$6,000
Carrying costs · 60 months$244,285
Principal paid down$63,534
Every month of the horizon is a month of principal. That is the quiet advantage of buying something that already exists.A model, not a forecast. It assumes both properties appreciate at the same rate, ignores tax treatment and the return you might earn on money not tied up in a deposit, and uses a 25-year amortisation throughout. Builder closing costs, occupancy periods and completion dates are estimates that move. Treat the break-even figure as the output that matters and the totals as illustration.
Beyond the money
The differences no calculator can price.
Why I can answer this honestly
I sell both.
Plenty of agents specialise in pre-construction because the builder pays them, and plenty avoid it entirely. I do both, which means I have no reason to push you either way — and I will tell you when a project is not worth the premium it is asking.
The construction background matters more here than anywhere else. Reading a builder’s specification sheet against what the model home displays, spotting the bulkheads that are not drawn, judging whether a standard finish is genuinely acceptable or a forced upgrade — that is a trade skill, not a sales one. On the resale side it is the same skill pointed the other way: what the older home will need, and when.
No cost, no obligation
Run it on a real project and real comparables.
Illustrative prices only get you so far. Send me the project you are looking at and I will rebuild this with the actual agreement terms and genuine sold comparables.
- Real deposit structure and levy caps from the agreement
- Comparable resale sales, not asking prices
- A builder’s read on the floor plan and the standard specification
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Straight answers
Questions people ask about this.
Which one actually wins?
It genuinely varies, which is why the calculator gives you two break-even figures rather than a verdict. Run the five scenarios and you will get different answers: the condo sits almost exactly on the line, the freehold town leans resale, the detached leans pre-construction, and the investor case is not close. Pre-construction is a leveraged bet — you commit at today's price with a deposit and take delivery years later. It wins when prices rise faster than the break-even rate and when what you pay for housing in the meantime stays low. Resale wins on certainty, and on the fact that every single month is a month of principal.
Why does the pre-construction path show so much cash out?
Because it counts the housing you are still paying for while you wait. That is the cost people leave out. Three years of rent at $2,600 is nearly $94,000 that the resale buyer put toward a mortgage instead. Add interim occupancy on a condominium — where you live in the unit, pay a fee, and build no equity at all — and the gap widens further before you have owned anything.
Is the builder's closing cost estimate realistic?
It is a starting point and you should replace it with the numbers from your actual agreement. Development levies are the biggest and most variable item, and whether they are capped is the single most important thing in a builder contract. If the agreement does not state a maximum, ask for one in writing before you sign — uncapped, this line can move by five figures between signing and closing.
What does the investor scenario change?
Two things, and both work against pre-construction. A resale unit collects rent from the day you close; a new build collects nothing until it exists, so on a five-year horizon you may lose three or four years of income entirely. And the builder's price almost always assumes the HST new housing rebate applies to a principal resident — as an investor it is clawed back at closing and recovered afterwards through the rental property rebate, which means a large cash gap at exactly the wrong moment. Run the scenario and you will see the break-even appreciation rate climb to a level nobody should count on.
Can you run this on a specific project?
Yes, and that is when it becomes useful. I will use the actual deposit structure, the actual levy caps from the agreement, and real comparable resale sales rather than illustrative prices — plus a builder's read on the floor plan and the standard specification. I sell both pre-construction and resale, so I have no reason to steer you toward either.

