The Detailed Guide to Basement Finishing Costs in Ottawa

Transforming your basement into a liveable, functional, and appealing space is a fantastic way to increase your home’s value and your quality of life. At Goliath Basements, we’ve refined our basement finishing services over the years to provide industry-leading quality and efficiency that our Ottawa clients continue to endorse. We understand, however, that cost plays a significant role in decision-making for a home improvement project. To better facilitate that, we’ve created this comprehensive guide that discusses the myriad of factors impacting the cost of basement finishing projects in Ottawa. While these figures provide a ballpark idea of costs, we encourage you to contact us at 613-900-5766 for a personalized quotation.

The Cost Spectrum for Basement Renovation

Basement finishing projects can vary greatly in scope and complexity, which directly impacts the overall cost. You might be considering a simple finishing project, a mid-grade remodel, or a high-end transformation.

Basic Basement Finish: This typically includes necessary insulation, drywall installation, basic electrical work, and painting. The flooring might be kept simple, often featuring wall-to-wall carpeting or basic laminate. The average cost for a basic basement finish ranges from $30 – $50 per square foot.

Mid-Range Basement Renovation: A step forward from the basic finish, a mid-range renovation might include upgrades like higher-quality flooring, custom built-ins, bathroom addition, or a wet bar. The cost usually falls between $50 – $75 per square foot.

High-End Basement Transformation: The sky’s the limit with high-end renovations, which may include features like luxury flooring, custom cabinetry, advanced home theater systems, high-end bathroom fixtures, or even a sauna. For such luxury transformations, the cost can range from $75 and upwards per square foot.

These costs are approximate and can fluctuate based on design choices, quality of fixtures, and overall project complexity.

Added Costs Based on Specific Features

Home Theater: An ideal addition to many basements, a home theater can range significantly in cost. A basic setup might start from $2,000, while high-end, cinematic-quality theaters can run over $10,000.

Bathroom Addition: Bathrooms are another common addition during basement renovations. Basic half-baths might land in the $2,000 – $5,000 range, while full-baths with high-quality fixtures can cost anywhere from $10,000 – $15,000.

Wet Bar or Kitchen: The cost for these additions will be highly dependent on aspects like size, fixture quality, and whether you’re installing appliances like dishwashers or fridges. A shot in the dark price for a standard setup can be in the region of $5,000 – $10,000.

Additional Rooms: Increasing your home’s bedroom count will likely up your resale value. A bedroom addition cost varies significantly, but can be expected to fall in the $10,000 – $20,000 range, depending on size, windows, wardrobes, and more.

Planning and Consequences

While having an attractive, functional basement is desired, it’s essential to remember the consequence of under-budgeted projects or unpermitted construction. Adhere to local building codes and get the necessary permits to avoid headaches down the line. These costs, often overlooked initially, can have a significant impact on your project’s overall price.


At Goliath Basements, we blend our extensive industry experience with unwavering commitment to customer satisfaction to deliver exceptional basement transformations that you can be proud of. We believe in transparency and keeping the customer well-informed every step of the way. Our mission is to help you achieve your dream basement within a budget that suits you. Ready to get a personalized quote? Call us at 613-900-5766, and let’s start your basement transformation journey.

Get Your Custom Quote Today

Ready to start your basement transformation journey? Get in touch with Goliath Basements for a custom quote.