Roof Replacement Cost in St. John's (2026)
Average cost in St. John's
$11,300 — $30,100
$4 — $11 per sq ft
Cost Breakdown
ItemizedIncludes weather delay contingency and storm-nailing
42%
Architectural shingles and ice-and-water shield
27%
Plywood replacement due to salt air rot
14%
Avalon Peninsula landfill and hauling fees
12%
City of St. John's building permit fees
3%
High-wind resistant vents and drip edges
2%
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 6 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
$14,496
Today
$15,583
Roof Replacement in St. John's is ↑ 7.5% compared to roughly a year ago — about $1,087 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
78 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
Costs are driven by the city's extreme wind-driven precipitation and salt air, which require premium materials like ice-and-water shields and wind-resistant architectural shingles. Additionally, disposal fees on the Avalon Peninsula are roughly 15-20% higher than in rural NL due to limited landfill capacity.
Due to high wind speeds, most local contractors and insurance providers require 'storm-nailing,' which uses 5-6 nails per shingle instead of the standard 3-4. This adds approximately $500 to $1,200 in labor and fastener costs for an average 2,000 sq ft roof.
The City of St. John's charges permit fees based on construction value. For a typical $16,900 roof replacement, the permit fee is approximately $152 (calculated at $9 per $1,000 of value), though total administrative and inspection costs often range from $400 to $800 for complex projects.
The peak season is June to September. Due to the brief construction window, contractors often book 4-6 months in advance. Booking in the late fall for a spring start can sometimes secure a 5% 'off-season' discount on labor rates.
📊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: 2 weeks 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.