How much does a balcony or patio cost in Quebec and Canada?
Structure, floor, railing and stairs: a price per square foot and per foot of railing, at CCQ rates.
Your project
Is it new construction or a renovation?
In new construction, there is nothing to remove.
The price of a balcony or deck depends on its area, its height and the decking chosen. The calculator prices the structure, decking, railing and stairs per square foot and linear foot, at Quebec rates.
What changes the price of a deck or balcony
- Area and height
- A ground-level deck sits on blocks; an elevated balcony needs posts, footings below the frost line and a Code-compliant railing.
- Floor
- Treated wood is the cheapest; cedar costs more; composite and fibreglass cost more to buy but need less maintenance.
- The railing
- Wood, aluminum or glass: the railing is counted per linear foot, and its price varies as much as the decking’s.
- The stairs
- An exterior staircase adds treads, stringers and often a second railing.
- Demolition
- Removing and disposing of the old structure takes time and a container.
What the estimate includes
- The structure (beams, joists, posts, footings), decking, railing and stairs
- Galvanized hardware and the fasteners to the house
- Demolition of the old structure and the container, if needed
- A carpenter’s labour at the CCQ rate
- Mobilization and a contractor’s normal margin
Frequently asked questions
How much does a balcony or patio cost in Quebec and Canada?
Rebuilding a 12 × 10 ft deck costs $10,700 to $13,700 in Quebec in 2026: treated wood, wood railing and short stairs, old deck demolished. Area, material and railing set the price. Amount before taxes, calculated line by line by qcalculatrice.com at Quebec prices (Québec — grille 2026 v2.2), range verified on September 18, 2026. This is an estimate, not a quote: the calculator redoes it for your home.
Do I need a permit to build a deck?
Almost always in Quebec: a balcony, porch or deck touches on setbacks and guardrail height. Your municipality will tell you what it requires.
Treated wood, composite or fibreglass?
Treated wood costs the least but needs stain every two or three years. Composite only needs washing. Fibreglass is the most durable and is the standard on an upper-floor balcony.
How long does a wood deck last?
15 to 25 years with maintenance. Posts at ground level and fasteners to the wall are the first things to watch.
Is this a firm price?
No. It is an estimate calculated for your project, made to set a budget and compare quotes. Only a contractor who has seen the premises can sign a price.