Roof Replacement Cost in St. John's (2026)
Average cost in St. John's
$9,000 — $30,100
$6 — $13 per sq ft
Cost Breakdown
ItemizedHigh-wind shingles & ice/water shield
38%
Installation & storm-nailing labor
44%
Removal and Avalon landfill fees
9%
Plywood replacement for salt-air rot
6%
City fees and ventilation upgrades
3%
HST at 15%
📋What's Included
ScopeTypically Includes
- Tear-off of existing shingles
- New underlayment
- Asphalt shingle installation
- Flashing & ridge vents
- Cleanup & disposal
- Labor
Typically Excludes
- Structural repairs (rotted decking)
- Gutter replacement
- Skylight installation
- Cedar or metal roofing
- Chimney repair
Based on a standard 1,500-2,000 sq ft roof with asphalt shingles.
🧮Estimate Your Cost
InteractiveEstimated Cost
$6,208 — $9,312
Based on 8 sources and market data for St. John's. Actual costs may vary depending on specific project requirements.
📈Price Momentum
Year-over-year~1 year ago
$14,766
Today
$15,490
Roof Replacement in St. John's is ↑ 4.9% compared to roughly a year ago — about $724 more on the average project.
Comparison derived from the year-over-year change rate, not a month-by-month price index. We don't store historical snapshots yet — when we do, this will become a real time series.
🏢Top Roof Replace Contractors in St. John's
Verified providersRydel Roofing, Siding, Windows & Doors
43 Welland St, St. John's, NL A1A 5B6, Canada
80 reviews
Callanan Roofing Contracting
28 Bonaventure Ave, St. John's, NL A1C 3Z2, Canada
24 reviews
Provider data sourced from public business directories. Ratings and reviews are public and may change. LookupCost is not affiliated with listed providers.
💬What People Actually Paid
Community❓Common Questions
As Canada's windiest city, St. John's requires high-wind rated shingles and extensive ice-and-water shield coverage. These specialized materials and the extra labor for 'storm-nailing' (using 5-6 nails per shingle plus manual tarring) typically add 15-20% to the total cost compared to mainland averages.
A building permit from the City of St. John's is mandatory for roof replacements. In 2026, these fees generally range from $150 to $500 CAD, depending on the total estimated value of the project.
The primary construction window is very short, running from June to September. Because of this, reputable St. John's contractors are often booked 4-6 months in advance. Emergency winter repairs are possible but can cost 25% more due to safety equipment and weather delays.
Yes, salt air on the Avalon Peninsula accelerates the corrosion of standard metal flashing and fasteners. Contractors in St. John's frequently recommend aluminum or high-grade galvanized steel and specialized underlayment to prevent premature plywood decking rot, which can cost $2-$5 per sq ft to repair if neglected.
📊Our Methodology
How we collect dataAggregated from 5+ verified web sources and cost databases
Licensed contractor estimates and regional cost guides
Government construction and labor statistics
Community-reported project costs and reviews
Last data collection: 3 days ago. Updates run weekly. All costs in CAD.
About this data
Cost figures are estimates synthesized from public market data using AI research and refreshed regularly. Real project costs vary by scope, materials, contractor, and site conditions. Always get verified quotes from licensed contractors for your specific project.
Spotted bad data? Let us know — we'll review and update.