Private second mortgage: rates, combined LTV and the way out

A private second mortgage is a charge registered behind your existing first mortgage and funded by a private investor. Your first mortgage is untouched: same rate, same payment, same maturity date. The second lender takes whatever equity is left after the first is repaid in full, and that ranking risk is the entire reason a second costs more than a first.

In August 2026 a private second typically runs about 10% to 15% interest-only with a lender fee of 2% to 5%, to roughly 75% combined loan-to-value in strong urban markets. Lenders that reach 80% or 85% combined exist, but they are few, they sit at the very top of the rate range, and they will not consider a property that is slow to sell. Outside the major centres, and on most condominiums, 65% combined is the practical ceiling.

Once the lender fee, broker fee, legal costs and appraisal come off the advance, the effective first-year cost of a private second is regularly in the low twenties. That number is defensible when it is buying you something specific: a low rate protected on the first mortgage, arrears cleared before enforcement, or a renovation finished so the property becomes financeable again. It is not defensible as a way to keep making payments you already cannot make.

When a private second mortgage is the right instrument

A second is the tool when you need the equity but you cannot or should not disturb the first mortgage. These are the six situations where that is genuinely true.

How does a private second mortgage work?

A private second mortgage is a separate loan with its own lender, rate, term, fees and maturity date, registered in second position on your title. Your first mortgage carries on exactly as it was. If the property is ever sold or enforced, the first lender is paid in full first, along with its costs, and the second lender takes what remains.

Being second in line is the whole pricing story. On a $780,000 house with a $431,000 first, a $95,000 second sits between 55% and 67% of value. If the property had to be sold quickly at a discount, the first lender is comfortable and the second lender is the one absorbing the loss. That is why a second costs two to four percentage points more than a private first on the same property, and why the lender fee is higher too.

Payments are interest-only, and Canadian mortgages compound semi-annually, so the monthly payment is the balance multiplied by ((1 + annual rate ÷ 2) raised to the power of 2 ÷ 12) − 1. On $95,000 at 11.49% that is $888.59 a month, and $95,000 still owing twelve months later. Terms are six to twenty-four months, twelve being standard.

One mechanic catches people out. If your first mortgage is registered as a collateral charge for an amount larger than the balance owing, there may be no registered room behind it, and the first lender may refuse to sign a postponement. In that case a second cannot be registered at all, and the choice becomes a full refinance into a new first or nothing.

• Your first mortgage is unchanged: same rate, same payment, same maturity
• The second lender is paid only after the first lender is fully repaid on any sale
• Payments are interest-only, so the balance at maturity equals the balance at funding
• Terms are typically 6 to 24 months, with 12 months standard
• A collateral charge on the first can block a second entirely

Combined loan-to-value: how much can you actually borrow?

Combined loan-to-value, usually written as CLTV, is every registered charge added together and divided by the appraised value. It is the number that decides both whether a private second is possible and what it costs. A $780,000 home with a $431,000 first and a proposed $95,000 second is at $526,000 against $780,000, or 67.4% combined.

In the Canadian private market the practical ceilings look like this. In strong urban markets in the Greater Toronto Area, the Lower Mainland and Calgary, most private second lenders will reach about 75% combined. For condominiums, small centres and rural properties, most cap at about 65% combined, because those are the properties that take longest to sell. A small number of lenders will consider 80% or 85% combined on an exceptional urban file, at the very top of the rate range and with the largest fees. Treat that as an exception, not a plan.

Two things move the ceiling on any individual file. Marketability is the biggest: days on market in your postal code is effectively the lender's exit, and it is priced accordingly. The first mortgage matters too, because the second lender is looking at what happens if the first goes into arrears. A first with a large balance, a short remaining term and a maturity date before the second's own maturity is a harder file than one with a long runway.

The most useful thing you can do for your own pricing is borrow less. Asking for $88,000 instead of $110,000 on that same $780,000 house moves the combined loan-to-value from 69.4% to 66.5%, and on the second-mortgage ladder that band change is often worth a full point of rate and half a point of lender fee.

Private second mortgage pricing by combined loan-to-value, 2026

What a private second mortgage really costs after fees

The quoted rate is not the cost. Every fee comes off the advance, so you pay interest on the full loan while receiving the loan minus the lender fee, the broker fee, legal costs and the appraisal. On a small second the gap is enormous in percentage terms, because most private lenders apply a minimum combined fee of around $3,500 regardless of loan size.

The table below runs the same $80,000 one-year interest-only private second at four points on the pricing ladder, with $2,700 of legal and appraisal costs in every row. Read the last column. That is the number to compare between two offers, and it is the number that tells you whether this loan is worth doing at all.

There is a floor worth knowing about even though nothing in mainstream private lending gets near it. Canada's criminal rate of interest has been an annual percentage rate above 35% since January 1, 2025. A residential second priced anywhere close to that boundary is not a private mortgage in any normal sense, and you should walk.

Effective first-year cost of an $80,000 one-year interest-only private second mortgage

Private second mortgage or refinance? Running the real comparison

In pure rate terms a refinance always wins. An uninsured A-lender refinance at 4.29% beats a private second at 12% by any measure you like. The reason anyone chooses the second is that the refinance either will not approve, will not close in time, or will reprice a first mortgage that is currently far below market.

That last case is the one worth doing arithmetic on, because it is the case where the expensive option is genuinely cheaper. Take a $780,000 home with a $431,000 first at 2.39% and twenty-two months left, where the owner needs about $86,000. Refinancing to $526,000 at 4.29% means paying an interest rate differential penalty, quoted by that lender at $14,800, and repricing the whole $431,000. Year-one interest on the new first is $22,081, and with the penalty and closing costs the first-year cost of borrowing is $39,781.

Keeping the first and adding a $95,000 private second at 11.49% costs $10,086 of interest on the first, $10,663 of interest on the second and $7,075 of fees and closing costs, for a first-year total of $27,824. The second is nearly twelve thousand dollars cheaper in year one, despite carrying a rate almost three times higher, purely because the refinance would have repriced $431,000 of cheap debt and triggered a penalty.

Flip one input and the answer flips. If the first mortgage were at 4.34% rather than 2.39%, or if it were maturing in five weeks so there was no penalty, the refinance would win comfortably. That is why the comparison has to be run on your actual numbers rather than assumed from the rate.

Year-one cost of borrowing: refinance versus keeping a 2.39% first and adding a private second

Priority, postponement and what the second lender is actually buying

Priority is decided by registration order on title, not by size or by fairness. The first mortgage was registered first, so it is paid first. A second registered today ranks behind it, and a third registered next year ranks behind both. Certain claims outrank everything, including municipal property taxes and, once registered, a CRA lien. That is why clearing tax arrears before registration matters so much and why a second lender will always ask about them.

A postponement is the document a second lender signs to allow the first mortgage to be replaced or increased without losing its own position. If you later want to refinance the first mortgage on its own, the second lender has to agree to postpone, and it does not have to. Some will, for a fee of a few hundred dollars. Some will not, which effectively forces you to pay them out. Ask about postponement policy at the commitment stage, before it becomes a problem.

What the second lender is really buying is your equity cushion and their ability to sell the property if it comes to that. This is why they care about days on market in your neighbourhood, about condominium status certificates, about environmental issues, and about whether the first mortgage is current. A second lender whose borrower stops paying the first has a real problem, which is why many will require proof the first mortgage is current before funding and some monitor it during the term.

Discharge is the last mechanic. When the second is paid out you need a discharge statement from the lender, a payout figure good to a specific date, and a registered discharge on title. Expect a discharge or administration fee of $300 to $600 and allow a week or two for the registration to actually appear, because your exit lender will want clean title before it funds.

• Registration order sets priority. Property taxes and registered CRA liens outrank all mortgages
• Ask whether the lender will sign a postponement later, and what it charges for one
• Expect the lender to verify that your first mortgage is current before funding
• Confirm the discharge fee and the payout process in writing at commitment stage
• Allow one to two weeks for a discharge to register before an exit lender will fund

Interest reserves, renewals and what happens at maturity

A private second is due in full at maturity, and there is no automatic renewal. If the exit is not ready, the lender may renew for a fee of 1% to 2%, or it may enforce. A second-position lender can enforce even though it ranks behind the first: in Ontario that means power of sale under the Mortgages Act, and in British Columbia and Alberta it means a court-supervised foreclosure. The lender's legal costs are added to your balance either way.

Some private seconds carry a prepaid interest reserve, where three, six or twelve months of payments are held back from the advance and the lender pays itself each month. It is common on renovation files where the property is unoccupied and on files where income is temporarily interrupted. It protects your payment record, which is exactly what the exit lender will look at, and it reduces your net cash by one payment per month reserved. Size the loan with that in mind rather than discovering it on the closing statement.

Confirm whether the second is open or closed. Fully open lets you repay the day your exit approves, which on a second matters more than on a first because the rate is higher. Closed for three or six months and open afterwards is the common structure. A fully closed twelve-month second means an early payout still owes the remaining interest, which can eat the entire benefit of exiting early.

Renewal is usually available to a borrower who has paid on time and whose combined loan-to-value has not drifted up, but it is a decision, not a right, and it is not free. A 2% renewal fee on an $80,000 second is $1,600 in cash on top of another year at 12%. Two renewals and the fees alone have cost you more than a year of interest.

When a private second is the wrong answer

Some of the files that arrive asking for a private second should not have one, and saying so is more useful than placing the deal.

If you qualify for a home equity line of credit, take the line of credit. At prime plus half a point that is about 4.95% today against a 4.45% prime rate, with no lender fee and no maturity cliff. The revolving portion goes to 65% loan-to-value and up to 80% combined with an amortizing portion. A private second at 12% with 4.5% in fees is a different universe of expense, and it is only justified when a HELOC will not approve.

If your decline was about debt service ratios rather than credit or income documentation, test a B-lender refinance first. If you want to protect a low first-mortgage rate but you can document income, ask about an institutional second from a credit union at roughly 8% to 9% amortizing, which is three to five points cheaper than the private version and pays down principal at the same time.

And if the honest position is that your income no longer supports the house, a second mortgage does not solve that. It adds a payment to a budget that is already short, converts equity into interest, and delays the decision by twelve months while the equity shrinks. In that situation the real options are a consumer proposal, a sale on your own timing while you still control it, or a downsize. We will say so, and we would rather lose the deal than place that one.

• Test a HELOC first if your credit and income will support one
• Test a B-lender refinance if the decline was about ratios rather than credit
• Ask about an institutional amortizing second at roughly 8% to 9% if income documents
• If you are 55 or older and the problem is monthly cash flow, look at a reverse mortgage
• If the income no longer supports the house, get insolvency advice before borrowing more

The exit: consolidating a private second back into one mortgage

The exit from a private second is almost always a single new first mortgage that pays out both charges at once. That is cleaner than refinancing the first alone, because it removes the postponement problem entirely, and it usually produces a lower total payment than the two charges combined.

For most borrowers the destination is a B lender twelve to eighteen months out, at roughly 5.2% to 6.5% with a 1% lender fee and a maximum of 80% loan-to-value, then an A lender at the following renewal. What the B lender wants is unremarkable and non-negotiable: twelve consecutive on-time payments on every account, because one thirty-day late resets the clock; revolving utilisation under 30% of each limit with the accounts left open; two years of filed T1 Generals and Notices of Assessment if you are self-employed; a zero CRA balance; and any collections settled and reported as settled.

Where the second was taken to fix the property rather than the borrower, the exit checklist is about the building. Finish the work, close the permit, get the occupancy or completion documentation, then order a fresh appraisal at the completed value. An institutional lender underwrites what an appraiser can document, not what you intend to do next month.

Then work the calendar backwards from maturity. Month eight, pull your own credit reports and dispute anything incorrect, because corrections take thirty to sixty days. Month nine, apply for the exit financing. Month ten, appraisal ordered, payout statements requested from both lenders and the lawyer instructed. Month eleven, funded, both charges discharged. If you reach month ten unready, you still have room to negotiate a renewal rather than accepting whatever is offered with two weeks to go.

• Plan the exit as one new first that pays out both charges, not a refinance of the first alone
• Twelve consecutive on-time payments on every account, without exception
• Revolving utilisation under 30% per card, accounts left open
• Two years of filed returns and a zero CRA balance if self-employed
• Renovation finished, permit closed and re-appraised by month eight
• Exit application in at month nine, payout statements ordered at month ten

How Lendmax places a private second mortgage across 30+ lenders

Second-position pricing varies more between lenders than anything else in Canadian mortgage lending. Two mortgage investment corporations looking at the same house at the same 68% combined loan-to-value routinely come back a full point of rate and a point of lender fee apart, because their concentration limits, their appetite for your postal code and their view of your first mortgage all differ.

So the work is genuine comparison, on effective cost rather than headline rate, and it starts with checking whether you need a private second at all.

1. We check the cheaper structures before we shop the second — HELOC, B-lender refinance, institutional amortizing second, and a straight A-lender refinance if your first is maturing soon and there is no penalty to break it. A meaningful share of the files that arrive convinced they are private clear somewhere cheaper, and we would rather tell you that.
2. AVM value and a combined loan-to-value that is sized down, not up — An automated valuation model gives an early read on value so we can size the request into the cheapest combined loan-to-value band that still solves the problem. Dropping from 72% to 66% combined is typically worth a full point of rate and half a point of lender fee before an appraisal is paid for.
3. Every offer restated as an effective cost on net cash — Interest plus lender fee plus broker fee plus legal plus appraisal plus any interest reserve, divided by the money that actually reaches your lawyer. On seconds under $100,000 the minimum fee frequently reorders the offers, and the cheapest quoted rate is often not the cheapest deal.
4. The exit written, dated and diarised before funding — We write down the target lender class, rate, combined loan-to-value and date, plus exactly what has to be true about your credit, filings or property by then, and we plan the exit as one consolidating first. The reminder is set for month eight. Funding on a private second is often possible in two to seven days.

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