Purchase Plus Improvements: Turn a Good Home into Your Dream Home

Tim Lyon • July 8, 2025

In today’s housing market, finding a home that checks every box can feel nearly impossible. Maybe the location is ideal, but the kitchen feels dated. Or perhaps the layout is right, but the basement needs finishing. That’s where a Purchase Plus Improvements mortgage comes in—it allows you to buy the house you want and roll the cost of renovations into one simple mortgage. It can even help you qualify for a more expensive home if you use the improvements to add a suite.


What is a Purchase Plus Improvements Mortgage?

A Purchase Plus Improvements mortgage combines the cost of buying a home with the cost of planned renovations, all in one mortgage. Instead of arranging separate financing (like a line of credit), you borrow the funds upfront based on the home’s value after renovations are complete.


How Does It Work?

Here’s the general process:

  1. Get Contractor Quotes: Before applying, you’ll need detailed quotes for the renovations you want.
  2. Apply for the Mortgage: Your down payment is based on the improved property value (purchase price + renovations, or the appraised improved value—whichever is lower).
  3. Close on the Home: At possession, the seller is paid as usual. The renovation funds are held back by the lender.
  4. Complete the Work: You typically have 90–120 days to finish renovations.
  5. Inspection & Fund Release: Once work is confirmed as complete, the lender releases the funds (sometimes in stages for larger projects).


Eligible Renovations

Examples of upgrades typically allowed include:

  • Kitchen or bathroom remodels
  • Flooring and windows
  • Roof replacement or repairs
  • Furnace/air conditioning upgrades
  • Electrical or plumbing updates (like replacing knob-and-tube wiring)
  • Basement finishing or waterproofing
  • Septic system upgrades
  • Decks, patios, or additions
  • Adding a rental suite (potential rental income may even help with qualification)


Important Details

  • Improvement Costs: Usually $5,000 minimum and up to $100,000.
  • Down Payment: Minimum based on the improved value. 5% of the first $500k;
  • 10% between $500k and $1.5m
  • Timeline: Renovations must typically be completed within 90–120 days of possession.
  • Payment Flexibility: For smaller projects (<$40k), you submit invoices for reimbursement. For larger ones, lenders may pay contractors directly in stages.
  • Rates: You get the lenders best rates, nothing extra
  • Mortgage Insurance: The most competitive programs are insured, meaning they must meet insurer criteria (owner-occupied, income guidelines, etc.). With more than 20% down, uninsured options are possible.

Key Benefits

  • One Simple Payment: Combine purchase and renovation costs into a single mortgage.
  • Lower Cost Than a Line of Credit: Renovation funds in the mortgage amortize over time, unlike an interest-only LOC.
  • Customization: Create the home you want right away instead of “making do.”
  • Qualification Help: Adding a rental suite? Future rental income may help you qualify for a larger mortgage.


Important Considerations

  • You need to pay contractors upfront or arrange financing until funds are released.
  • DIY projects are limited, lenders will only reimburse materials, not your labour.
  • If you skip renovations after funding, the renovation funds stay in the mortgage (applied to your principal), but your payment remains the same.


Quick Summary

• Purchase + Reno in One: Finance both with a single mortgage.
Improvement Range: $5,000–$100,000 allowed.
Upfront Quotes Needed: Contractor estimates required before approval.
Timeline: 90–120 days to complete the work.
Better Cash Flow: Often cheaper than using a line of credit.


Next Steps

If you’re house-hunting and finding “almost perfect” homes that just need some updates, a Purchase Plus Improvements mortgage could make all the difference.

If you have questions or want to see if this option fits your situation, I’d be happy to walk you through it.

Need help with your mortgage? Book a consultation or call 778-988-8409.


Mortgage Term Glossary

Amortization: The total length of time it will take to fully repay your mortgage (usually 25–30 years in Canada).

Down Payment: The upfront portion you pay when purchasing a home, usually a percentage of the purchase price.

Equity: The difference between your home’s value and what you owe on your mortgage.

Improved Value: The appraised value of a home after planned renovations are completed.

Line of Credit (LOC): A flexible loan where you only pay interest on the amount borrowed. Often used for renovations, but payments are usually interest-only.

Pre-approval: A budget put together by your mortgage broker to show what you can afford.

Purchase Plus Improvements: A mortgage program that lets you finance both the purchase price and renovation costs in one loan.

Stress Test: A rule requiring borrowers to qualify at a higher rate than their actual mortgage rate, ensuring they can handle future increases.


Tim Lyon

Mortgage Consultant

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By Tim Lyon January 20, 2026
If you are buying a home with a suite, keeping your current home as a rental, or already own a rental property, mortgage qualification can get confusing fast. The frustrating part is that you can do everything “right” and still get very different answers depending on which lender you talk to. Here’s a simple breakdown so you understand it and don’t miss out. What are Debt Service Ratios? In Canada, lenders qualify you using two main ratios: Gross Debt Service (GDS) This looks at housing costs only , typically: Mortgage payment Property taxes Heating 50% of strata fees (if applicable) GDS typically needs to be 39% or less of your gross income. Total Debt Service (TDS) This includes everything in GDS , plus other debts like: Car loans Credit cards Lines of credit Student loans TDS typically needs to be 44% or less of your gross income. These ratios are the foundation. If they do not work, the lender will not approve the mortgage, even with strong credit and a solid down payment. How Lenders Treat Rental Income Most people assume lenders look at rental properties based on simple cash flow (rent minus mortgage payment). In reality, most lenders use one of two methods: 1) Addback A percentage of the rental income is added to your gross income for qualification purposes. 2)Offset A percentage of the rental income is subtracted from the mortgage payment tied to the rental property. Different lenders use different percentages and different worksheets. That is why the same borrower can qualify with one lender and fail with another. Benefits of Understanding Lender Methods When you understand how rental income is calculated, you can: Avoid being under-qualified by a lender with conservative rules Get a more accurate picture of your real purchasing power Choose a lender that fits your situation (instead of forcing your situation to fit the lender) Important Considerations A few key points to keep in mind: Rental income is rarely counted at 100% , but some lenders are more generous than others. The method matters just as much as the percentage (addback vs offset). If you own multiple properties, lender worksheets can change the result dramatically. Your lender choice is a strategy decision , not just a rate decision. Real-World Example: Same Clients, Two Very Different Outcomes Here’s an example comparing lenders Scotiabank and Strive, using a fictitious couple: Scenario Household income: $160,000 Existing townhome: $800,000 value with a $525,000 mortgage ( $2,500/month payment) Market rent for the townhome: $3,400/month New purchase: property with a rental suite generating $1,800/month Down payment: 10% Other debts: student loan $165/month , car loan $500/month How Scotiabank viewed it For the townhome rental, they counted half the rent and subtracted the mortgage payment, leaving an $800/month shortfall that gets added into the debt ratios. For the new purchase, 50% of the suite income gets added to income. Max mortgage : $650,700 Max purchase price : $723,000 How Strive viewed it For the townhome rental, Strive used a rental worksheet and calculated $5.20/month of income that can be added to the application. For the new purchase, 100% of the suite income gets added to income, and they did not need to include taxes or heat. Max mortgage : $878,400 Max purchase price : $976,000 The result That’s a $253,000 difference in purchasing power , with the same clients, same income, same debts, and same properties. The difference was lender policy. Quick Summary GDS and TDS ratios are the backbone of mortgage qualification. Rental income is usually counted using Addback or Offset , and each lender handles this differently. Two lenders can produce wildly different results, even with the exact same file. In the example above, lender choice created a $253,000 swing in purchasing power. Next Steps If you are planning to: Buy a home with a suite Keep your current home and convert it to a rental Use rental income to qualify Reach out and I will run the numbers across multiple lenders so you see what you actually qualify for, not just what one lender will allow. Need help with your mortgage? Book a consultation or call 778-988-8409 . Glossary Addback : A method where a lender adds a percentage of rental income to your gross income for qualification. Gross Debt Service (GDS) : The ratio that measures housing costs as a percentage of gross income. Offset : A method where a lender subtracts a percentage of rental income from the rental property’s mortgage payment for qualification. Total Debt Service (TDS) : The ratio that measures housing costs plus other debts as a percentage of gross income.