First & Second Mortgages
in London.

Refinancing is the process of replacing your existing mortgage with a new one, typically for a higher amount. The new mortgage pays off the old one, and the difference comes to you as cash. Everything consolidates into a single mortgage with a single payment, rate, and amortization schedule.

The maximum you can refinance to is 80 percent of your home's current appraised value. If your London home is worth $625,000, the maximum first mortgage after refinancing would be $500,000. If your existing mortgage balance is $320,000, you could access up to $180,000 through refinancing. That money might go toward renovating your home, consolidating higher-interest consumer debt, funding a child's education, or investing in another property.

The advantage of refinancing is simplicity and cost. You end up with one mortgage at one rate – typically the lowest rate available for your profile. There is no layering of payments, no managing multiple lenders, and no subordination issues. The rate on your full mortgage amount reflects first-position security, which is always priced better than second-position lending.

The disadvantage surfaces when your current mortgage has a favourable rate or carries a steep prepayment penalty for breaking mid-term. If you locked in at a competitive rate two years ago and have three years remaining, your lender may charge an interest rate differential penalty that runs into the thousands or even tens of thousands. In those cases, the cost of breaking the mortgage can erase the savings that refinancing was supposed to deliver.

A second mortgage is a separate loan registered against your property behind your existing first mortgage. It does not replace or alter your current mortgage – that stays exactly as it is, with the same rate, payment, and remaining term. The second mortgage gives you access to equity above what your first mortgage occupies, up to a combined loan-to-value that typically ranges from 75 to 85 percent of your home's appraised value.

The key distinction is priority. If your property were ever sold or subject to power of sale, the first mortgage gets paid in full before the second mortgage receives anything. This subordinate position means second mortgage lenders face higher risk, which translates directly into higher interest rates. That is the trade-off you accept in exchange for keeping your first mortgage untouched.

Second mortgages come in two forms. A lump-sum second mortgage provides a fixed amount at a fixed rate with regular payments – similar in structure to your first mortgage but as a separate obligation. A home equity line of credit registered in second position offers revolving access to funds that you can draw and repay as needed, with interest-only minimum payments on whatever you have outstanding.

For London homeowners who secured a competitive first mortgage rate and do not want to disturb it, a second mortgage is the tool that lets you access equity without triggering a single dollar in prepayment penalties. You keep your good rate on the bulk of your borrowing and pay the premium rate only on the additional amount you need.

The decision between refinancing and a second mortgage is fundamentally a cost comparison. Both accomplish the same underlying goal – getting equity out of your London home – but the total cost differs based on your current mortgage specifics.

Your broker calculates both scenarios using your actual numbers – your current rate, remaining term, penalty structure, the amount you need, and available equity – and presents a clear comparison showing which path costs less over the period you plan to hold the mortgage. In many cases, the answer is obvious once you see the numbers side by side.

London's housing market, with an average home price around $625,000, provides substantial equity for homeowners who have been paying down their mortgages over time. Even homeowners who purchased relatively recently may have meaningful equity due to the down payment they made at purchase, combined with principal payments and any appreciation in property value.

These figures are illustrative and assume approximate property values and mortgage balances. Your actual available equity depends on a current appraisal, your exact outstanding balance, and the lending limits of the specific lender you work with. Homeowners with lower existing balances – perhaps those who have been paying aggressively or who made large down payments – will have correspondingly more equity available.

Several scenarios point clearly toward a second mortgage rather than refinancing. The most common is when your first mortgage carries a rate that is meaningfully better than what is currently available. If you locked in at a competitive rate and today's rates are higher, refinancing would actually increase the rate on your entire balance – not just the new money. A second mortgage lets you keep the good rate on the majority of your borrowing and accept the higher rate only on the additional amount.

Timing within your term also matters. If you are midway through a five-year term with a fixed-rate mortgage, the prepayment penalty for breaking could be substantial – particularly if calculated using the interest rate differential method. A penalty of $15,000 or $20,000 wipes out any rate advantage of refinancing. In contrast, a second mortgage incurs no penalty on your first mortgage because it remains undisturbed.

Speed is another factor. If you need funds quickly – perhaps to cover an unexpected expense, seize an investment opportunity, or prevent a power of sale on another property – a private second mortgage can fund in as little as five to seven business days. A full refinance typically takes two to four weeks and involves more extensive documentation and underwriting.

Finally, if you only need a modest amount relative to your total equity, a second mortgage avoids the administrative burden and cost of restructuring your entire mortgage for a small incremental draw. Taking a $30,000 second mortgage to fund a kitchen renovation makes more sense than refinancing a $400,000 first mortgage just to add that $30,000.

Refinancing wins when the math favours consolidation. If your first mortgage is at or near maturity – within the renewal window – there is no prepayment penalty, and refinancing lets you roll everything into a single mortgage at the best available rate. This is the cleanest, cheapest way to access equity because you are not paying a premium rate on any portion of your borrowing.

If the amount you need is large relative to your first mortgage balance, refinancing also tends to be more cost-effective. Paying a higher second-mortgage rate on $150,000 adds up quickly. By contrast, a refinanced first mortgage at a lower rate on the full amount including the $150,000 often costs less in total interest even after accounting for the modest prepayment penalty, appraisal, and legal fees.

Refinancing is also the better choice when you want to restructure your payments – extending the amortization to lower monthly costs, shortening it to pay off faster, or switching between fixed and variable rate structures. A second mortgage adds a payment on top of your existing one, while refinancing lets you design the single payment to fit your current budget and financial goals.

Your mortgage broker models the total cost of each option over your planned holding period and presents the comparison in dollars, not percentages. The right answer depends entirely on your specific numbers – your current rate, your penalty, how much you need, and how long you plan to stay in your London home. Contact Canadian Mortgage Services for a no-obligation comparison using your actual mortgage details.