Additional Dwelling Units (ADUs)

Should Seniors explore this option for unlocking equity in their home?

Dec 18, 2024

5 min

Sue Pimento

Summary: In a previous post, I wrote about the need for more creative solutions to the cost of housing.  I also spoke to the housing shortage and the steep downpayment rules we continue to face. At the same time, the need for retirement income and an increased focus on "aging in place" has more and more property owners looking for solutions.  Here, we explore why adding secondary living spaces to their properties, commonly referred to as Additional Dwelling Units (ADUs), is something you may want to consider.


What Are ADUs?

ADUs are fully equipped residential units situated on the same lot as a single-family home. They offer a distinct and private living arrangement while maintaining proximity to the main house. These living spaces may be integrated into the primary residence—such as a transformed garage or basement—or exist as independent structures, including small cottages or apartments.


Why ADUs Are Gaining in Popularity

ADUs can fulfill a broad range of needs, from accommodating aging relatives or adult children to creating a valuable source of rental income for homeowners. This income could assist seniors with cash flow and substantially boost their property's overall value. But is an ADU right for you? Before answering this, let's first take a brief look at their advantages and the rules and regulations governing the conversion or construction of such structures.


Types of ADUs


ADUs encompass a variety of secondary suites or dwelling units, primarily categorized as attached, detached, and semi-detached structures. Attached ADUs arise when homeowners convert existing spaces, such as basements, into livable areas. In contrast, detached ADUs consist of separate structures built apart from the principal residence.


Laneway Houses / Laneway Suites: These small, detached units are constructed in the backyard or along the laneways of existing properties, maximizing the use of available space.


Garden Suites: Similar to laneway houses, garden suites are secondary residences in the primary home's backyard. They offer self-sufficient living environments and are increasingly favoured for boosting housing density in urban settings while preserving the character of residential neighbourhoods.


Basement Apartments: Self-contained living spaces in the basement of a residential property. These usually have a distinct entrance. In-law Units (In-law Suites, In-law Flats) are separate living sections within a single-family home that cater to relatives, providing a comfortable space for parents or in-laws.


Detached Garages: These standalone structures are separate from the main house and traditionally store vehicles. They can also serve as storage areas or workshops. Adding a second-story apartment above garages is popular. Parking is premium in cities, and these structures provide the best of both worlds: keeping parking, storage, and adding living quarters above.


Carriage Houses and Coach Houses: Originally designed as outbuildings on larger estates to store horse-drawn carriages, carriage houses, and coach houses have often been repurposed as living accommodations, guest houses, or rental units while maintaining their historic architecture.


The Benefits of ADUs


Additional Dwelling Units (ADUs) are indispensable in alleviating housing shortages and addressing affordability challenges within various communities. They also offer a wide range of personal and economic advantages for homeowners and tenants searching for budget-friendly rental options. Some key benefits include:


An Aging-in-Place Option for Seniors: ADUs can allow elderly relatives to stay in their community and maintain an important sense of connection with neighbours, friends, and family.


Rental Income: Homeowners can establish a dependable revenue stream with an ADU. These units represent a highly appealing affordable housing alternative.


Accommodation for Adult Children: An ADU can provide temporary living arrangements to adult children who may not be able to buy into the housing market or who want to be closer to their aging parents.


Dedicated Office/Creative Space: With more people working from home part-time or going entirely virtual, ADU can provide a more professional and comfortable work environment


But There's Another Payoff for ADUs 


Beyond these apparent benefits, I'm also struck by how ADUs can help us cultivate a stronger sense of community and intergenerational connection. Let me unpack this more and list some unique attributes of ADUs that make them so vital to our housing strategy:


Affordability: ADUs can also be more affordable than standalone houses, making them increasingly attractive for individuals or small families looking for budget-conscious living options.


Connection: ADUs are much closer to the primary residence. This allows younger renters to forge more meaningful relationships and interactions with their homeowners (many of whom are seniors).


Equity: For renters who want to move beyond an apartment or condo but lack the financial means, ADUs could present a great alternative. They also provide a unique way to give renters access to neighbourhoods where housing availability is a challenge. For young families, renting an ADU could allow them to place their children in better schools that require residency in the school district.


Support: As we age, we are more likely to need help maintaining our homes. For example, help with yard work and snow removal could be traded for reduced rent.  There is much to be said about the comfort and safety of having someone live a few steps away for our older generation. 


ADUs are a Key Part of the Government's Housing Strategy


The Federal Government just announced the expansion of the Canada Secondary Suite Loan Program. Here's what you need to know:


  • The loan amount has been increased to $80,000, and it has a 2% interest rate and a 15-year repayment term. 
  • In addition to the Secondary Suite Loan Program, homeowners can refinance with insured mortgages to help cover the cost of adding a secondary suite, starting January 15, 2025.
  • Lenders and insurers will begin allowing mortgage refinancing of up to 90 percent of the post-renovation value of their home up to $2 million, amortized for up to 30 years.
  • Homeowners can use this loan program and mortgage financing to help cover the cost of adding a secondary suite.


These developments should get us all thinking more about the possibilities of ADUs. The benefits for many people and the clear intergenerational win-win exchanges are compelling. Given the impact they could yield for seniors in unlocking the value of their home equity and the compelling social benefits they offer for communities, I'll be exploring ADUs in much more detail over the coming year. Stay tuned.


Don’t Retire … Re-Wire!


Sue

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Sue Pimento

Sue Pimento

Founder | CEO

Writer, author & presenter focused on financial literacy and retirement strategies. I advocate for the health, wealth & purpose for retirees

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We celebrate the house and quietly forget the retirement income we gave up for it, Present Me negotiating a deal Future Me eventually must honour. And Future Me always shows up, whether we're ready or not. It's tempting to think of BNPL as a young person's problem, but the psychological pull intensifies in retirement, not diminishes. When you're working, the next paycheque is a couple of weeks away. In retirement, every purchase competes with a finite pool of assets that may need to last thirty years. Financing groceries isn't a budgeting strategy; it's a signal that your income isn't keeping pace with your lifestyle. If every purchase starts with “what's the monthly payment?” instead of “can I actually afford this?” it's time to step back. I've long recommended imagining every purchase as a conversation with your retired self: would Future Me thank me, or wish I'd shown more restraint? Isn't a Reverse Mortgage the Same Thing? Some readers wonder whether reverse mortgages belong in this conversation. I'd argue they're nearly the opposite. Both involve money today and repayment later, but that's where the similarity ends. BNPL borrows against tomorrow's income to finance today's consumption, while a reverse mortgage, used appropriately, converts wealth you've already built into retirement income. One asks Future Me to earn more; the other recognizes that Past Me already did the heavy lifting. There's a world of difference between borrowing against tomorrow and drawing on yesterday's success. Whatever Happened to Paying Cash? Dad's advice was simple: if you can't pay cash, don't buy it. It's a little outdated now. Few of us carry cash anymore, and digital payments are so seamless that spending barely feels like spending. Tap, click, done. Maybe the rule just needs updating. Instead of “can I pay cash?” try “if I had to pay for this in full today, would I still buy it?” That shifts our focus from the monthly payment to the total cost and from affordability to value. BNPL isn't inherently good or bad; it's a tool like any other, and the real danger is forgetting that every financial decision is a negotiation between Present Me and Future Me. What My Parents Really Taught Me Looking back, my parents weren't really arguing about money; they were arguing about time. Dad taught me the value of patience and living within my means, and he understood instinctively what behavioural economists would later prove: delaying gratification pays remarkable dividends. Mom taught me something just as important: that life isn't meant to be spent waiting forever, and that some experiences create memories no investment account can measure. The wisdom lies in knowing the difference. Retirement requires both the discipline to save while working and the wisdom to enjoy what you've built. Save every penny and never spend it, and you've missed the point, tragically. Spend it all before retirement arrives, and biology has a nasty habit of showing up right on schedule, winning every time, just as tragically. Perhaps that's the real story behind Buy Now, Pay Later. It was never really about payment plans; it's about patience, priorities, and the lifelong conversation between who we are today and who we're becoming tomorrow. Present Me always gets the microphone, while Future Me waits quietly in the wings, hoping today's decisions leave something to work with. Next time you're offered four easy payments, ask the better question: will Future Me thank me for saying yes? Someday, Future Me becomes Present Me, and that's the day we find out whether today's purchase was an investment in our happiness or just another bill waiting, not so patiently, for retirement. I have a feeling Dad would smile reading this, quietly certain he'd finally won the argument. Mom would smile too, already wondering if she could get that validation in four easy instalments, and still call it saving money. Don’t Retire … Re-Wire! Sue

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