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Basement Renovations in Stittsville
New subdivisions off Fernbank and Robert Grant, older homes along the Main Street corridor, and properties on the rural edge still running on well and septic. Each one has a different answer to what the basement can become.
A Village That Grew Very Fast
Jackson Trails, Fairwinds, Wylie, and the newer builds off Fernbank went up in the last twenty-five years, with tall poured foundations, big windows, and mechanicals tucked up out of the way. Those basements are among the easiest in Ottawa to finish, and the design conversation is almost entirely about what you want down there.
Then there is the older Stittsville, closer to Main Street and out toward the rural edge, where houses are smaller, foundations are older, and some properties are still on private well and septic. That last detail matters more than anything else on this page, because it changes what you are allowed to build, not just what it costs.
- Servicing confirmed before a suite is ever designed
- Rec rooms, theatres, and gyms in newer subdivision basements
- Egress windows, bedrooms, and full bathrooms below grade
- In-law suites for families sharing one property
The Stittsville Specifics
One of these applies to almost every Stittsville project we quote.
On a fully serviced Stittsville lot, current zoning reliably supports three units. On a property served by a private well and septic system, that drops to two. And on septic there is a second gate: the system was sized for a set number of bedrooms, so adding a suite or even bedrooms downstairs can require an assessment and sometimes a larger bed. This is the first thing we confirm on any rural-edge property, before a design exists.
If your home was built after about 2000, the foundation is tall, the windows are large, the mechanicals are tight to the joists, and there is often a bathroom rough-in already in the slab. That combination removes most of the cost drivers that older Ottawa basements carry, and it means the money goes into finishes and layout instead of into fixing the box. We locate the rough-in and design around it.
Ottawa has eliminated minimum parking requirements across most of the city, which removed a common obstacle to adding a secondary suite. Village Residential zones are the exception and still require a space per unit, so on properties in and around the village fabric we confirm the zone rather than assuming. It is a five-minute check that occasionally changes a whole design.
Ottawa is mid-transition between its old zoning by-law and the new one, and applications filed now have to satisfy both, with the more restrictive provision winning. The widely reported four-units-per-lot change is still under appeal at the Ontario Land Tribunal, so we design around three units on serviced land and two on well and septic. Planning to a rule that has not landed yet is how projects get stopped at the counter.
Basements We've Finished Around Stittsville
Rec rooms, bars, home theatres, extra bedrooms, and full secondary suites, finished across Ottawa.
Why Stittsville Homeowners Choose OGC
For over a decade, OGC has been Ottawa's most reviewed design-build firm, with 200+ verified reviews across Google, Houzz, and HomeStars.
True Design-Build, One Roof
Design, engineering, permits, and construction all live in-house. No finger-pointing between a designer, a waterproofer, and a builder, just one accountable team from the first moisture assessment to the final inspection.
One Dedicated Project Manager
A single project manager runs your entire basement and stays reachable by phone or text the whole way through. No handoffs, no gaps, no wondering who is in charge.
See It Before We Build It
Every basement starts with full 3D renderings so you can see the finished layout before a single wall is framed. Change it on screen, not on site.
Fixed Pricing, No Surprises
What you are quoted is what you pay. No hidden fees, no mid-project change orders. OGC's price-match guarantee backs every basement contract we write.
Industry-Leading 7-Year Warranty
OGC backs every basement renovation with a 7-year warranty, one of the strongest in Ottawa. A finished basement is a major investment, and your peace of mind should match it.
Ottawa's Most Recognized Renovation Team
OGC is a member of the GOHBA, Tarion, RenoMark, CHBA, and the Ottawa Chamber of Commerce, and has been named Ottawa's Small Business of the Year. Our work has been featured on CTV, HGTV, and in Ottawa press.
What a Basement Costs in Stittsville
Ottawa-wide ranges by scope. Where a Stittsville basement lands depends on plumbing, moisture, and finish level, not on a price per square foot.
What Moves the Number in Stittsville
Stittsville splits in two. A post-2000 subdivision basement usually lands at the lower end of each range, because the height, the windows, and often a bathroom rough-in are already there. An older or rural-edge property can carry septic assessment, drainage, or headroom work on top, and those are priced after we see the site.
Plumbing and Layout
Plumbing is what moves a basement budget anywhere in Ottawa. Rough-ins alone run roughly $2,500 to $20,000 depending on whether the slab has to come up, and adding a full bathroom typically adds $20,000 to $35,000. A suite kitchen, a wet bar, or a sewage ejector pit each add their own line.
Systems and Finishes
Electrical work commonly lands in the $3,000 to $8,000 range, HVAC extensions $5,000 to $11,000, and flooring anywhere from $10,000 to $36,000 depending on what you choose. Waterproofing, where the site calls for it, typically runs $1,900 to $6,300.
Want the full breakdown? Read our detailed guide to basement renovation costs in Ottawa, or get an instant estimate.
Stittsville Basement Questions
Ottawa-wide ranges apply: roughly $25,000 to $40,000 for a basic finish, $40,000 to $70,000 with a bedroom and full bathroom, and $70,000 to $150,000 or more for a high-end finish or a full secondary suite. Newer Stittsville subdivisions tend to land at the lower end of each band. See our full cost guide.
Often yes, but with two limits. Zoning supports two units on a property served by private well and septic rather than the three permitted on fully serviced land. And the septic system was sized for a set number of bedrooms, so adding a suite can require an assessment and sometimes a larger system. We confirm servicing before designing anything.
In most of Ottawa, no. Minimum parking requirements have been eliminated across the city, with Village Residential zones the exception, where one space per unit still applies. Because Stittsville has both village-fabric and standard urban properties, we check the zoning on your specific address rather than assuming.
Yes. Stittsville is part of the City of Ottawa, so framing, electrical, and plumbing work all require a City of Ottawa building permit, with fees calculated on the construction value of the work. A second unit adds a change of use application, and on septic there may be additional approvals. OGC handles the entire submission. See our guide to basement permits in Ottawa.
Also Renovating Basements Nearby
OGC finishes basements across the west end, from Jackson Trails and Fairwinds through Kanata and into Nepean. See our main basement renovations in Ottawa page, or pick another neighbourhood.
