Interlock Driveways in the GTA: The 2026 Homeowner Guide
After 50+ years of interlock installations across Toronto, Mississauga, Brampton, and the rest of the GTA, here’s what actually matters when you’re planning a driveway or pathway project.
Material Options
Concrete pavers (Unilock, Permacon, Cambridge)
- Most common, best value
- 60mm thickness for driveways, 40mm for walkways
- Cost installed: CAD $18–$30/sq ft
- Huge colour/texture range
Tumbled natural stone (granite, limestone)
- Premium look, excellent longevity
- Cost installed: $35–$65/sq ft
- Best for paths, courtyards, front entries
Porcelain pavers
- Modern, low-maintenance aesthetics
- Vulnerable to GTA freeze-thaw if improperly installed
- Cost: $30–$55/sq ft
- Requires rigid base
The Base Is Everything
This is where most DIY and low-bid jobs fail. Ontario requirements for driveways:
- Minimum 6" compacted Granular A base (some recommend 8" in heavy clay soils)
- 1" bedding sand
- Aluminium or concrete edge restraint on all free edges
- 2–3% slope away from structures
- Full excavation to undisturbed subgrade
Frost heave in the GTA comes from inadequate base compaction and poor drainage — not the pavers themselves.
2026 Pricing Benchmarks
- Standard 2-car concrete paver driveway (~500 sq ft): $12,000–$18,000
- Flagstone front path (~80 sq ft): $4,000–$8,000
- Interlock patio (200 sq ft): $7,000–$14,000
- Natural stone walkway with steps: $8,000–$16,000
Post your project dimensions and neighbourhood — happy to share ballpark numbers. LF Builders installs interlock across the GTA: lfbuilders.ca
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