How Much Does a Roof Replacement Cost in London? (2026)
London offers solid value in the Ontario renovation market. Labour costs are well below GTA levels and the city has a strong trades school presence feeding contractor supply.
Get My Free London Budget →Estimated Cost in London
$7,000 – $29,000
2026 estimate · most projects land around $18,000
Get My Exact Quote →Timeline
1–2w
Busy season is April–September. Winter interior projects are easy to schedule.
Permits
Usually not
City of London building permits are issued in 2–6 weeks for typical residential scopes.
Live Market Data
Renovation Activity in London
Permits Issued (12 mo)
3,480
+6.1% vs last year
Active Projects
2,650
Currently tracked in London
Avg Permit Value
$84K
London market average
Data updated 2026-05-27. Source: RenoIntel — permit tracking across Canadian municipalities.
Cost Breakdown for London
Dollar estimates below are calculated using London's local market multiplier against national averages.
| Category | % of Budget | Est. Cost Range |
|---|---|---|
| Shingles / Roofing Material | 40% | $2,800 – $11,600 |
| Labour (Tear-off & Install) | 35% | $2,500 – $10,200 |
| Underlayment & Decking Repairs | 12% | $800 – $3,500 |
| Flashing, Vents, Drip Edge | 8% | $600 – $2,300 |
| Disposal & Contingency | 5% | $400 – $1,500 |
Estimates are for guidance only. Get a free personalized budget at renoplanner.ai.
What Drives Cost in London?
- ✓Roof size (square footage) — the single biggest cost driver
- ✓Number of old layers to tear off — doubles tear-off time if two layers exist
- ✓Roof pitch — steep pitches require safety equipment and slow labour significantly
- ✓Material choice — asphalt shingle vs. metal vs. cedar shake vs. tile
- ✓Decking condition — rotted or damaged plywood adds $500–$3,000
Frequently Asked Questions
How much does a roof replacement cost in London?
A roof replacement in London typically costs between $7,000 and $29,000 in 2026. The midpoint for a typical project is around $18,000. Costs in London are close to the Canadian national average due to london offers solid value in the ontario renovation market.
What factors affect roof replacement costs in London?
Key cost drivers in London include local contractor labour rates, material availability and delivery costs, permit requirements, and project scope. London offers solid value in the Ontario renovation market. Labour costs are well below GTA levels and the city has a strong trades school presence feeding contractor supply.
Do I need a permit for a roof replacement in London?
Most roof replacements in London do not require a formal building permit, but you should verify with your municipality for your specific scope. City of London building permits are issued in 2–6 weeks for typical residential scopes.
How long does a roof replacement take in London?
A typical roof replacement in London takes 1–2 weeks from start to completion, not including planning and permit time. Busy season is April–September. Winter interior projects are easy to schedule.
How do I find a reliable contractor for my roof replacement in London?
RenoPlanner matches London homeowners with vetted local contractors who specialize in roof replacements. All contractors on the platform are pre-screened. You can create a free project plan and receive matched contractor quotes at renoplanner.ai.
Roof Replacement Cost in Other Cities
Roof Replacement Cost in Toronto$9,000 – $39,000Roof Replacement Cost in Mississauga
$9,000 – $38,000Roof Replacement Cost in Brampton
$9,000 – $37,000Roof Replacement Cost in Vaughan
$9,000 – $38,000Roof Replacement Cost in Markham
$9,000 – $38,000Roof Replacement Cost in Richmond Hill
$9,000 – $37,000 See all cities →
Ready to Budget Your London Roof Replacement?
The estimates above are ranges. Your exact budget depends on your home, your scope, and your specific choices. RenoPlanner builds a free itemized budget for you in 3 minutes — then matches you with vetted London contractors who can quote on your real scope.
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What you get — free:
Itemized budget with local London pricing
Cost breakdown by materials, labour & permits
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Project timeline and permit checklist
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