The Short Answer

Why are Markham homes built after 2010 easier to finance? Newer homes generally satisfy lenders and insurers more readily — modern electrical, plumbing, roofing, and building systems mean fewer red flags on appraisals and insurance applications, remaining useful life on major components, and lower risk of financing conditions failing. For buyers, that often means a smoother approval.

Two Markham homes at the same price can lead to very different mortgage experiences — and the year built is often the reason. Buyers rarely think about financing when they fall in love with a home, but lenders and insurers think about little else. Michael John Lau, a top real estate agent in Markham and a CPA/CMA, explains why newer homes tend to sail through approval, and what to check on any home you are considering.

Why Lenders and Insurers Prefer Newer Homes

A mortgage approval is not just about you — it is also about the property, which serves as the lender's security. And a home cannot be financed if it cannot be insured. On both fronts, newer homes tend to present fewer obstacles.

Modern electrical systems

Homes built after 2010 have modern electrical systems with adequate capacity and current wiring. Older homes may have knob-and-tube or aluminum wiring, or 60-amp service — each of which can trigger insurance difficulties and, in turn, financing conditions. Insurers frequently decline or surcharge homes with older wiring, and no insurance means no mortgage.

Current plumbing

Newer homes have modern plumbing throughout. Older homes may contain materials like galvanized steel or, in some cases, materials insurers view unfavourably — potential sources of both insurance and appraisal concerns.

Roofing and major components with remaining life

A home built after 2010 generally has a roof, furnace, and other major systems with meaningful useful life remaining. Appraisers note the condition and remaining life of major components, and insurers care about roof age in particular. A near-end-of-life roof can prompt an insurer to require replacement as a condition of coverage.

Fewer appraisal surprises

Newer homes in good condition are less likely to produce the kind of appraisal red flags — deferred maintenance, structural questions, outdated systems — that can complicate or delay a financing approval.

The Lender and Insurer Checklist — For Any Home

Whether a home is new or older, these are the property factors that most affect financing and insurance. Use this as a due-diligence checklist on any Markham home you are serious about.

1

Electrical: wiring type and service capacity

Confirm the wiring (no knob-and-tube; watch for aluminum) and that service capacity is adequate (100-amp or greater is typical). Older wiring is a leading cause of insurance refusals.

2

Plumbing: materials and condition

Confirm modern plumbing materials in good condition. Ask about any history of leaks or updates.

3

Roof: age and remaining life

Ask the roof's age. Insurers care about this directly, and a roof near end of life can become a condition of coverage or a negotiating point.

4

Heating: system type, age, and safety

Confirm the furnace or heating system's age and condition. Note: some older systems and past oil tanks carry insurance implications.

5

Water and foundation: no active issues

Water penetration and foundation concerns are among the most serious appraisal and insurance flags. A home inspection is essential.

6

Permits: work done legally

Confirm major work (additions, basements, electrical) was permitted. Unpermitted work can create both insurance and financing complications.

What This Means for Buyers

None of this means older Markham homes cannot be bought or financed — many are, every day, and character homes have real appeal. It means that with an older home, the property side of your approval deserves extra attention: get the inspection, confirm insurability early, and build appropriate conditions into your offer. With a newer home, that path is usually smoother.

For buyers who value certainty — a clean approval, straightforward insurance, and fewer surprises between offer and closing — Markham's post-2010 housing stock, concentrated in communities like Wismer Commons, Cornell, and Cathedraltown, offers exactly that. Michael John Lau, one of Markham's leading REALTORS® and a CPA/CMA, brings a financial lens to every purchase — helping buyers understand not just whether they love a home, but whether it will finance and insure cleanly. Understanding the property side of your mortgage is how you avoid surprises at the finish line.

Frequently Asked Questions

Is it harder to get a mortgage on an older home in Ontario?▼
Not necessarily harder to get, but the property side deserves more attention. Older homes may have wiring, plumbing, or roofing that complicates insurance — and financing depends on insurability. An inspection and early insurance confirmation are key. Consult a licensed mortgage professional for your situation.
Does knob-and-tube wiring affect insurance?▼
Yes. Many insurers decline or surcharge homes with knob-and-tube or older aluminum wiring, and because a home must be insurable to be financed, older wiring can affect a mortgage approval. Always confirm insurability before removing conditions.
Why do lenders care about the property, not just the borrower?▼
The property is the lender's security for the mortgage, so its condition and value matter. Appraisers flag issues like deferred maintenance or structural concerns, and a home that cannot be insured cannot be financed. Newer homes tend to present fewer of these obstacles.

Buy a Home That Finances Cleanly

Michael John Lau, REALTOR® CPA, CMA, brings a financial lens to every purchase — helping you understand whether a home will finance and insure without surprises. Book a buyer consultation.

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