What is the cost to add a basement bedroom with egress window and closet?

Adding a basement bedroom with egress window and closet typically costs $15,000 to $35,000 in Ottawa, depending on the existing basement condition and specific requirements. This investment creates valuable living space while ensuring safety and code compliance for bedroom use.

The cost breakdown includes several key components that affect your total investment. Egress window installation runs $3,000 to $6,000, which includes excavation, window well construction, waterproofing, and the window itself. This is often the most complex part since it requires cutting through your foundation wall and creating proper drainage. Framing and drywall for the bedroom walls typically costs $2,000 to $4,000, while electrical work for outlets, lighting, and potentially upgrading your panel runs $1,500 to $3,000. The closet construction adds another $800 to $1,500 depending on size and finish level.

Flooring choices significantly impact your budget - luxury vinyl plank ($3-8 per square foot) offers durability and moisture resistance, while carpet ($2-6 per square foot) provides warmth but requires proper moisture control. Don't forget about insulation and vapor barriers ($1,000-2,000) which are crucial in Ottawa's climate, and HVAC extensions ($1,000-2,500) to ensure proper heating and cooling.

Ottawa-specific considerations include our 4-foot frost line, which affects egress window installation depth and drainage requirements. The Ontario Building Code requires bedroom egress windows to have a minimum opening of 3.77 square feet with no dimension less than 15 inches. Building permits are required for this work, typically costing $500-1,500 through the City of Ottawa, with processing taking 2-4 weeks.

Professional installation is strongly recommended for this project. Egress window installation requires structural knowledge, waterproofing expertise, and coordination with electrical trades. Electrical work must be completed by a licensed electrician and inspected by the Electrical Safety Authority (ESA). Improper installation can lead to water damage, structural issues, or insurance problems.

The best timing for this project is late spring through early fall when excavation conditions are optimal and materials cure properly. Winter installations are possible but may require special considerations for concrete work and access.

This project typically takes 2-3 weeks once permits are approved, assuming no complications with existing utilities or structural issues. The investment not only adds functional space but can increase your home value by $10,000-20,000 when done properly.

For a detailed assessment of your specific basement and a comprehensive quote, Ottawa Basements offers free consultations where we can evaluate your space, discuss design options, and provide accurate pricing based on your home's unique requirements.