Quick Answer

Bathroom Renovation Cost in Oshawa (2026)

Average cost in Oshawa

$18,592avg

$7,500 — $45,000

$180 — $350 per sq ft

+5.2% YoY
12 sources
Updated 2 weeks ago
Ontario

Cost Breakdown

Itemized
Labor

Licensed plumbers, electricians, and tilers

$8,400 — $20,250

45%

Materials & Fixtures

Vanities, toilets, tubs, and tiles

$6,500 — $15,750

35%

Demolition & Disposal

Debris removal and bin rentals

$1,300 — $3,150

7%

Permits & Administration

City of Oshawa building and trade permits

$550 — $1,350

3%

Contingency

Buffer for unforeseen structural or plumbing issues

$1,875 — $4,500

10%

🧾HST (13%) — Ontario
Base cost + $2,417 tax$21,009

HST at 13%

📋What's Included

Scope

Typically Includes

  • Vanity & sink replacement
  • Toilet replacement
  • Tub/shower update
  • Tile flooring & walls
  • Basic plumbing
  • Lighting & exhaust fan
  • Labor & installation

Typically Excludes

  • Full tub-to-shower conversion
  • Heated floors
  • Custom glass enclosures
  • Structural modifications
  • Permits

Based on a standard 5x8 ft bathroom. Master bath or custom designs may cost more.

🧮Estimate Your Cost

Interactive

Estimated Cost

$21,813

$17,450 — $26,176

Based on 12 sources and market data for Oshawa. Actual costs may vary depending on specific project requirements.

📈Price Momentum

Year-over-year

~1 year ago

$17,673

Today

$18,592

Bathroom Renovation in Oshawa is 5.2% compared to roughly a year ago — about $919 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 Bathroom Reno Contractors in Oshawa

Verified providers
🔨

Refresh Baths & Renovations

16 Peter Hogg Ct, Whitby, ON L1P 0N1, Canada

5.0
★★★★★

41 reviews

🔨

HH renovation & general contracting Inc.

44 Cragg Crescent, Ajax, ON L1T 0E5, Canada

4.9
★★★★½

130 reviews

🔨

Easy Renovation | Bathroom Renovations Oshawa

600 Rossland Rd W, Oshawa, ON L1J 8M7, Canada

4.9
★★★★½

55 reviews

🔨

Henley Contracting Ltd.

Oshawa, ON L1H 4G1, Canada

4.8
★★★★½

50 reviews

🔨

Hayes Plumbing & Bathroom Renovations

448 Ritson Rd S, Oshawa, ON L1H 5J9, Canada

4.4
★★★★½

177 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

Yes, a permit is required if you are moving plumbing fixtures, altering the drainage system, or changing structural walls. Purely cosmetic updates like new tiling or painting typically do not require one.

Permit fees for a standard residential bathroom remodel in Oshawa generally range from $200 to $800, depending on the complexity of the plumbing and electrical work involved.

A standard full renovation in Oshawa usually takes 3 to 5 weeks. More complex projects involving structural changes or custom glass enclosures can extend the timeline to 6-8 weeks.

Homeowners in the GTA can expect a return on investment (ROI) of 65% to 80%, which remains one of the highest for interior home improvements in the current market.

📊Our Methodology

How we collect data
1

Aggregated from 12+ verified web sources and cost databases

2

Licensed contractor estimates and regional cost guides

3

Government construction and labor statistics

4

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.