Detailed cost breakdown for windows renovation in Laval, Quebec.
In Laval, Quebec, a standard-quality windows renovation typically costs between $5,750 and $13,225 in 2026 — prices are near the Canadian average, with a local cost index of 100%. Expect around 1 to 3 days per window of work and a 70–80% return on investment at resale. Ice-and-water shield along every eave and valley plus R-60 attic insulation will prevent 80% of the ice-damming and condensation issues typical to this climate.
Budget Range
$4,025 - $9,257
Average Cost
$5,750 - $13,225
Premium Range
$9,200 - $21,160
| Category | Low Estimate | High Estimate |
|---|---|---|
| Windows | $3,000 | $6,750 |
| Installation | $1,500 | $3,375 |
| Interior Trim | $600 | $1,500 |
| Weatherstripping | $200 | $500 |
| Old Window Disposal | $300 | $700 |
| Permits | $150 | $400 |
| Total | $5,750 | $13,225 |
Triple-pane has become increasingly standard in Laval retrofits — the -10°C January average and frequent cold snaps make double-pane low-e less attractive on payback. Solaris (Saint-Hyacinthe), Vinytec, and Multivers dominate the local market at $1,100–$1,800 per opening installed — among the lowest prices in Canada thanks to short transport from Quebec window factories. A typical 1,500 sq ft Laval bungalow has 11–15 windows, putting full replacement in the $18,000–$32,000 range. Énergir gas customers and Hydro-Québec electric-heat customers both qualify for Rénoclimat / Chauffez Vert rebates. RBQ licensing applies over $5,000.
Window replacement in Canada should prioritize energy efficiency — look for ENERGY STAR® certified windows rated for your climate zone. Double-pane is minimum; triple-pane is recommended for zones 2 and 3 (most of Canada). Argon or krypton gas fill between panes adds 10–15% to cost but significantly improves insulation. Replace all windows at once if possible — contractors offer better per-window pricing for full-house jobs.
Window frame material is the largest cost factor: vinyl ($400–800/window), fiberglass ($600–1,200), aluminum-clad wood ($800–1,500), and full wood ($1,000–2,000+). Unusual sizes, bay/bow windows, and casement styles cost 30–100% more than standard double-hung. Installation complexity (brick vs. wood siding, second-floor access) affects labour costs.
💡 Pro Tip
Check for federal and provincial rebates before purchasing — the Canada Greener Homes Grant and provincial programs can cover $125–250 per window for ENERGY STAR® upgrades, potentially saving $2,000–$5,000 on a full-house replacement.
Laval offers renovation costs 5–10% lower than neighbouring Montreal, with easier contractor scheduling and less competition for skilled trades. The city's predominantly post-1960s housing stock — many bungalows, split-levels, and early condos — is now entering its first or second major renovation cycle. Laval homeowners benefit from Quebec's large network of RBQ-licensed contractors and competitive material pricing from big-box stores clustered along the autoroutes.
Laval issues permits through its Service de l'urbanisme. Residential permits typically take 5–15 business days depending on complexity. As in all of Quebec, contractors must hold an RBQ licence for work exceeding $5,000. Laval's urban planning regulations are generally more flexible than Montreal's, especially for suburban properties.
Laval shares Montreal's cold continental climate with harsh winters (-10°C average in January) and warm, humid summers. The city's flat terrain and proximity to the Rivière des Prairies means some areas are prone to spring flooding — basement renovations should include sump pump installation and proper waterproofing.
Quebec's co-ownership ("copropriété") landscape is the wrinkle plex and condo owners run into. Buildings under the Civil Code of Québec require a syndicate of co-owners to approve any work that touches common elements — façades, roofs, balconies, party walls, even some plumbing. The notice period and assembly vote typically add 30–60 days to a project timeline, and the declaration of co-ownership often imposes its own material standards that override the homeowner's preference. Quebec also enforces the RBQ licensing requirement more aggressively than other provinces do their equivalents — unlicensed work creates real resale problems at the pre-purchase inspection.
Quebec winters are among the harshest in eastern Canada, with frost lines reaching 4–5 feet in many regions. Footings, plumbing on exterior walls, and roof ice-damming require extra attention. Loi 122 also imposes specific co-ownership rules in condos that can affect façade and balcony renovations.
Quebec is the engineered-hardwood manufacturing capital of Canada — Mercier (Drummondville), Lauzon (Papineauville), Mirage (Saint-Georges), and Preverco (Quebec City) collectively make most of the engineered hardwood sold across the country, which translates to local pricing 10–25% below GTA equivalents on identical product. Riobel faucets (Saint-Jérôme), Cabico cabinets, and Soprema roofing membranes are similarly Quebec-manufactured. French is the primary business language for nearly all contractor interactions, and Quebec consumer-protection laws (Loi de la protection du consommateur, Article 8 of the RBQ requirements) give homeowners stronger contract-rescission rights than most provinces.
In 2026, a windows renovation in Laval costs between $4,025 (budget) and $21,160 (premium). The average standard cost ranges from $5,750 to $13,225.
For Laval, the ideal window is late spring through early fall (May to September) for any work touching the building envelope. Book your contractor 4 to 8 weeks ahead during peak season — last-minute scheduling typically pushes the start date much further than an off-season project would suggest.
Demolition, painting, baseboards, and small fixtures are jobs many homeowners take on themselves. Avoid touching plumbing, electrical, or gas without permits and inspection — most municipalities prohibit it, and bad workmanship can void your home insurance. On a typical Laval project, DIY can shave 10–20% off the total.
The most common surprises: code-compliance electrical upgrades ($1,500–$4,000), plumbing issues uncovered when walls are opened, asbestos or lead-paint abatement in older homes, and permit fees not included in the initial quote. Plan for a 15–20% contingency on top of the base budget in Laval.
Laval issues permits through its Service de l'urbanisme. Residential permits typically take 5–15 business days depending on complexity. As in all of Quebec, contractors must hold an RBQ licence for work exceeding $5,000. Laval's urban planning regulations are generally more flexible than Montreal's, especially for suburban properties.
📖 Complete guide
Read our complete national guide to windows costs