Legal basement suites in Vancouver
Turn a basement into a permitted secondary suite, with zoning checks, permits, fire separation and construction handled by one team.
Legal basement suites in Vancouver: quick answers
Short answers to the questions we hear most.
- How much does a legal basement suite cost in Vancouver?
- With QUAY, a legal basement suite typically runs about $75,000–$100,000+, compared with about $35,000–$55,000 for basic basement finishing without a suite. The kitchen, the bathroom, fire separation and egress windows move the price most. See our basement renovation ranges.
- How long does a basement suite conversion take?
- A typical basement renovation takes about 4–6 weeks of construction. Legal suite conversions take longer, about 6–10+ weeks, because of permits and inspections.
- What makes a basement suite legal?
- Zoning that allows a suite, a development and building permit before work starts, at least 1.95 m of ceiling height over the main areas (1.85 m under beams and ducts), a fire separation between the suite and the house, interconnected smoke alarms, bedroom windows big enough to climb out of, a proper exit and separate heating controls. Read the 9 rules in plain English.
- Can you legalize a suite that was built without permits?
- Often, yes. The existing suite is reviewed against the same rules, and the work needed to close the gaps is permitted and inspected. We check it on site before giving you a fixed-price proposal.
A basement suite adds a home inside your home
A self-contained suite with its own kitchen, living area and entrance can house family, help with the mortgage or add flexibility when you sell. What decides whether it can be legal is mostly fixed before any design: zoning, ceiling height, exits and fire separation.
QUAY Construction plans and builds legal basement suites across Vancouver and the Lower Mainland, from zoning checks and permit drawings to inspections and handover.
Back to basement renovations in VancouverBasement suite services
Each suite is planned against the building code and city rules before we price it.
Suite conversions
Unfinished or finished basements turned into a self-contained suite with its own kitchen, bathroom and living area.
Legalizing existing suites
Suites built without permits reviewed and brought up to the current requirements, then inspected.
Fire separation and alarms
Rated walls and ceilings between suite and house, with interconnected photo-electric smoke alarms.
Egress windows and entrances
Enlarged bedroom windows and a separate exterior entrance, with foundation openings coordinated.
Suite kitchens and bathrooms
Drain, water, venting and electrical planned so the suite works independently.
Permits and drawings
Development and building permit applications, consultant drawings and inspection scheduling.
Ceiling height decides what is possible
A suite needs at least 1.95 m (about 6 ft 5 in) of ceiling height over the main area of each room, or 1.85 m under beams and ducts. Measuring that, the windows and the route to the exit comes first.
Where a basement is too low, lowering the floor or underpinning is a much larger project that needs engineering, permits and temporary support. We tell you which side of that line your basement is on before you commit.
Nine requirements a legal suite has to meet.
The current Vancouver Building By-law took effect on 15 September 2025 and is based mainly on the 2024 BC Building Code.
- Zoning: the lot has to allow a secondary suite
- Permit: development and building permit before work starts
- Ceiling height: 1.95 m over main areas, 1.85 m under beams and ducts
- Fire separation: 15, 30 or 45 minutes depending on the smoke alarms, or none if fully sprinklered
- Smoke alarms: photo-electric and interconnected
- Bedroom windows: 0.35 m² clear opening, no side under 380 mm
- Exit: a door to the outside or a fire-separated hallway
- Heating: own controls; shared ducts only with fire dampers
- Entrance: separate access is part of what makes it a suite
Details and sources are in our guide What makes a basement suite legal in Vancouver.
Basement work we have planned and built.
Every suite is different, so we price from a site visit. These pages show how we plan basements and suites.
View Renovation ProjectsBasement renovations in Vancouver
Basement finishing, mid-range renovations and legal suites, with QUAY’s published cost ranges and timelines.
Burnaby basement suites
Basement renovations and suite conversions in Burnaby homes.
Is a suite worth it?
Our guide estimates typical one-bedroom suite rent in Vancouver at about $2,000–$2,500 a month and runs it against the build cost.
Basement renovation cost guide
What a basement renovation costs in Vancouver, from basic finishing to a legal suite.
Planned as a suite. Finished as a home.
Kitchens, bathrooms, storage and laundry are coordinated so the suite works on its own.
One suite. One accountable team.
Planning, pricing, approvals and construction are coordinated through one renovation process rather than managed as isolated pieces.
One Point of Contact
Design, trades, materials and scheduling are coordinated by QUAY, so you are not managing separate contractors or chasing updates.
Fixed-Price Proposal
Scope and pricing are established before construction so you know what is included and what the renovation is expected to cost.
Plan Before Construction
Approvals, materials, trades and sequencing are settled before demolition starts.
365-Day Warranty
Our workmanship is backed by QUAY's 365-day We-Fix-It-Free warranty after project completion.
Local service. Across the region.
We build basement renovations and suites throughout Vancouver and the surrounding municipalities.
All service areasClear before construction. Organized through completion.
Each stage is defined before the next begins so decisions, approvals and trades stay connected.
Discovery Call
We discuss your home, priorities, timeline and expected investment to decide the right next step.
On-Site Consultation
We review the space, measurements, building conditions and the approvals the project will need.
Scope & Proposal
The work is defined through a detailed scope, selections, pricing and schedule before anything is opened up.
Construction
Trades, materials and inspections are coordinated through one schedule with consistent communication through completion.
Plan the suite. Understand the investment.
A legal basement suite with QUAY typically runs about $75,000–$100,000+.
Cost depends on what is already there, the ceiling height, how far plumbing has to run, the fire separation and alarms required, and whether windows and an entrance have to be cut into the foundation. We define the scope with you and provide a fixed-price proposal before construction begins.
Basement suite questions answered
Do I need a permit for a basement suite in Vancouver?+
Yes. A development and building permit is needed before the work starts, to do the upgrades and formally change the use of the house to include a suite.
What is the minimum ceiling height for a basement suite?+
1.95 m (about 6 ft 5 in) over the main area of each room and between rooms, or 1.85 m under beams and ducts.
Do basement suite bedrooms need egress windows?+
Yes. Every bedroom needs an openable window with a clear opening of at least 0.35 m² and no side smaller than 380 mm.
Does a basement suite need its own entrance?+
Yes. The City of Vancouver defines a secondary suite as having its own kitchen, its own living area and separate external access.
Can the suite share heating with the house?+
It needs its own controls, and ductwork can only connect the two units when it is protected with fire dampers and a smoke detector that shuts the system down.
How long does a legal suite take?+
About 6–10+ weeks of construction with QUAY, longer than a standard basement because of permits and inspections.
Does QUAY Construction provide a warranty?+
Yes. Completed work is backed by our 365-day workmanship warranty.
Thinking about a basement suite?
Tell us about your home, your priorities and when you'd like to renovate. We'll help you determine the right next step.