Roofing Cost in London 2026
Roofing costs in London depend on material, roof size and pitch, and whether it is a repair or full replacement. Roofs must handle snow loads and ice damming.
Roofing Cost Breakdown in London 2026
Indicative rates based on recent quotes from contractors in London, Ontario. Actual costs may vary based on site conditions and scope of work.
| Work Type | Min Rate | Max Rate | Unit |
|---|---|---|---|
| Asphalt Shingle (architectural) | C$5 | C$9 | per sq ft |
| Metal Roofing (standing seam) | C$10 | C$18 | per sq ft |
| Flat Roof (EPDM / TPO) | C$7 | C$14 | per sq ft |
| Roof Repair (leak/patch) | C$400 | C$1,800 | per repair |
| Tear-Off & Disposal | C$1.50 | C$3.50 | per sq ft |
| Ice & Water Shield | C$1.50 | C$3 | per sq ft |
| Eavestrough Replacement | C$8 | C$18 | per linear ft |
| Skylight Installation | C$1,000 | C$3,500 | per unit |
Factors Affecting Roofing Cost in London
How to Save Money on Roofing in London
Combine a re-roof with eavestrough replacement to save on access.
Architectural shingles cost a little more but last 10–15 years longer.
Ensure proper attic ventilation to prevent ice dams in London.
Ask about product and workmanship warranties before signing.
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Roofing Cost FAQs – London, Ontario
How much does a new roof cost in London?
An asphalt shingle roof in London costs C$7,000–18,000 for an average home; metal runs C$15,000–35,000 and lasts far longer.
How long does a roof replacement take in London?
Most asphalt roof replacements in London take 1–3 days; metal or complex roofs take longer.
When is the best time to roof in London?
Late spring through fall is ideal in London so shingles seal properly in mild temperatures.
Do I need a permit to re-roof in London?
Many municipalities in London require a permit for roof replacement. Your roofer typically handles it.
Other Construction Costs in London
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