How to Turn a Bungalow into a Modern Two-Story Home with an Income Suite: 2026 Case Study
A real (or hypothetical, portfolio-based) case study covering costs, timeline, property value increase, and rental income.
February 14, 2025
3 minutes
1677 readers
Renovate or Relocate? Find your answer with Wellcore.
Your small bungalow has become too cold in winter with foundation cracks and foggy windows. However, its value has doubled over the years. Should you relocate to a bigger home north of Bloor with a master bedroom and chef’s kitchen?
Or, should you upgrade your current home while staying in a great neighborhood with top schools and a close-knit community?
| Item | Cost |
|---|---|
| Selling price of your old bungalow | $1,000,000 |
| Less existing mortgage payoff | -$350,000 |
| Less 5% realtor commission on sale | -$50,000 |
| Cash on hand for downpayment | $600,000 |
| Purchasing price of new home | $1,500,000 |
| Closing cost (4%) | $60,000 |
| Total cost of the new property | $1,560,000 |
To buy a new house, you need to borrow $960,000, including $110,000 in selling and buying costs. You will live in a $1.5 million home with $540,000 in equity.
| Item | Cost |
|---|---|
| The square footage of your new house | 2,700 |
| Average price per sq.ft. | $280 |
| Total construction cost | $756,000 |
| Add existing mortgage | $350,000 |
| Total cost of rebuilt house | $1,106,000 |
| Market value of rebuilt house | $2,500,000 |
To rebuild your house, you must borrow an additional $756,000 on top of your existing mortgage loan. You will be living in a $2.5 million home with $1,394,000 in equity while keeping your kids in the same school and maintaining your daily routine.
Explore real examples of home additions, duplexes, and custom homes built by Wellcore across the GTA.
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