How Much Does Roofing Cost in the GTA? (2026 Guide)
Roofing work in the GTA ranges from $300 for minor repairs to $15,000+ for a full roof replacement. This guide covers 2026 pricing for shingle, flat roof, and repair work across Toronto and surrounding areas.
2026 Price Ranges
| Job | Low | High |
|---|---|---|
| Shingle repair (minor) | $300 | $800 |
| Eavestrough cleaning | $150 | $350 |
| Full re-shingle (1,500 sq ft) | $6,000 | $12,000 |
| Architectural shingles (1,500 sq ft) | $8,000 | $15,000 |
| Flat roof replacement (500 sq ft) | $3,000 | $8,000 |
| Skylight installation | $1,500 | $4,000 |
| Chimney flashing repair | $400 | $1,200 |
| Ventilation (ridge vent) | $500 | $1,500 |
* Prices exclude HST. Ranges reflect GTA market rates as of 2026.
What affects the price?
- ✓Roof size (squares — 100 sq ft each)
- ✓Number of existing layers to tear off
- ✓Roof pitch and complexity
- ✓Material type (asphalt, metal, flat membrane)
- ✓Decking repair required
📋Permits & Regulations
Roof replacement in Ontario generally does not require a permit if you are replacing like-for-like. Structural changes, adding a skylight, or changing the roof pitch do require permits.
Tips before you hire
- ★Never pressure wash asphalt shingles — it destroys the protective granules
- ★Get at least 2 quotes — roofing prices vary significantly between contractors
- ★Ask about ice and water shield in valleys and eaves — it is required by Ontario Building Code
- ★Check that your roofer carries WSIB — you are liable if a worker is injured without it
Frequently asked questions
How long does a roof last in Ontario?
3-tab asphalt shingles typically last 15–20 years in Ontario. Architectural (dimensional) shingles last 25–35 years. Ontario winters and freeze-thaw cycles significantly affect lifespan.
When should I replace vs. repair my roof?
If your roof is under 15 years old and damage is localised, repair is usually cost-effective. If it is over 20 years old or has widespread damage, replacement is typically more economical long-term.
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