Basement Development in Edmonton: Permits, Egress Windows and Moisture Checks

Finishing a basement is one of the most popular ways Edmonton homeowners add living space. Done well, it adds comfort and value. Done poorly, it can hide moisture problems or leave you with work that doesn’t pass inspection when you sell. Here’s what to think about before you start.

Should I decide how I’ll use my basement before I start?

A home office, a family room, a guest bedroom and a legal secondary suite all have very different requirements. Decide early, because bedrooms and suites come with specific safety rules that affect layout and cost.

Do I need a permit to finish my basement in Edmonton?

In Edmonton, finishing a basement generally needs a building permit, and the electrical, plumbing and heating work usually need their own permits too. Permits mean the work is inspected at key stages, which protects you and makes selling easier later.

Permit rules change from time to time, so check the City of Edmonton’s current requirements at edmonton.ca, and confirm with your contractor who is responsible for getting them.

Does a basement bedroom need an egress window?

A basement bedroom needs a window large enough to escape through in an emergency, usually called an egress window. If your existing windows are too small, adding or enlarging one is a significant part of the project, so plan for it early.

Every bedroom also needs working smoke alarms, and homes with fuel-burning appliances need carbon monoxide alarms.

How do I check my basement for moisture before finishing it?

Before anything gets covered with drywall, make sure the basement is dry:

• Look for water stains, efflorescence (white, chalky deposits) or musty smells
• Check that the ground outside slopes away from your foundation
• Make sure eavestroughs and downspouts carry water well away from the house
• If you have a sump pump, test it

Finishing over a moisture problem can lead to mould and expensive repairs later.

What else should I plan for in a basement development?

• Ceiling height and where ducts, beams and pipes run
• Heating and ventilation so the new space stays comfortable
• Access to shut-offs and cleanouts, like the water main, electrical panel and plumbing cleanouts
• Sound, especially under bedrooms or living areas upstairs
• Plumbing rough-ins if you might want a bathroom or wet bar

What should I ask a basement contractor before hiring them?

• Have you done basement developments in Edmonton, and can I see examples?
• Which permits will you pull, and who books the inspections?
• How will you handle moisture and insulation against the foundation walls?
• What’s included in the quote, and what would count as an extra?
• What’s the payment schedule, and what warranty do you offer?

Electrical and plumbing rough-ins need their own permits and inspections, so ask who handles them. If you’re hiring those trades yourself, you can compare electricians and plumbers on our directory.

Our guide on how to hire a contractor in Edmonton covers licensing, insurance and contracts in more detail.

Where can I find a basement development company in Edmonton?

Browse basement development companies on our directory and compare their services and Google ratings.