Finished basement in Ellerslie — open concept design
17 basement renovation projects submitted this week in Ellerslie

Basement Renovation
Ellerslie

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$22000
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Why choose Basement Quotes Canada for your basement renovation in Ellerslie?

Licensed & Insured Contractors

Every renovation partner is fully licensed, carries liability insurance, and has verified references in Ellerslie.

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No fees, no obligation. Compare up to 5 basement renovation quotes in Ellerslie — completely free.

Waterproofing Expertise

Proper waterproofing is critical before finishing a basement. Our contractors in Ellerslie assess and correct moisture issues first.

Code-Compliant Builds

All basement renovations — including legal suites — are built to code with proper permits in Ellerslie.

Basement renovation prices in Ellerslie — 2026

Estimates based on size, scope and finish level

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Full Basement Finish

Framing · Drywall · Flooring · Lighting · Bathroom

$21787 – $69323
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🏡

Legal Basement Suite

Permits · Egress · Kitchen · Bath · Full finish

$9903 – $34661
💧

Waterproofing

Interior/exterior membrane · Sump pump · Drainage

$3466 – $13864

🛁 Basement bathroom addition

$1485 — $5941

☔ Interior waterproofing system

$3466 — $13864

🌡️ Basement heating installation

$1485 — $5941

💡 Egress window installation

$1485 — $5941

Estimated prices for Ellerslie. Get accurate, free quotes from our verified contractors.

Basement renovation services available in Ellerslie

Home Theatre & Media Room

Custom home theatre and media room design and installation. Wiring, acoustics and custom millwork in Ellerslie.

Underpinning

Basement underpinning to increase ceiling height in Ellerslie. Structural engineering and permit included.

Basement Finishing

Full basement finishing in Ellerslie — framing, insulation, drywall, flooring, lighting and trim. Turn unused space into living space.

Basement Waterproofing

Interior and exterior waterproofing systems. Sump pumps, drainage membranes, crack injection in Ellerslie.

Basement Bathroom

New bathroom addition in your basement. Full plumbing rough-in, tile, fixtures and ventilation.

Legal Basement Suite

Complete legal basement suite construction in Ellerslie. Permits, egress, kitchen, bathroom, separate entrance — income-ready.

Frequently asked questions — Basement renovation in Ellerslie

How much does it cost to finish a basement in Ellerslie?
A full basement finish in Ellerslie typically costs $21787–$69323, depending on size, bathroom inclusion and finish level. A basic finish with no bathroom starts around $3466–$9903. Get 3–5 free quotes to compare.
How much does a legal basement suite cost in Ellerslie?
A legal basement suite in Ellerslie typically costs $9903–$34661, including permits, egress windows, kitchen, bathroom and separate entrance. Rental income of $1,500–$2,500+/month is common in larger Ellerslie markets.
Do I need a permit to finish my basement in Ellerslie?
Yes — basement finishing that includes electrical, plumbing or structural work requires permits in Ellerslie. Legal suites require additional permits and inspections. Your contractor handles the permitting process.
How do I know if my basement has a moisture problem?
Signs of basement moisture in Ellerslie: water stains, efflorescence (white powder on walls), musty odour, peeling paint, or visible mold. Our contractors assess moisture before any finishing work to prevent future damage.
How long does a basement renovation take in Ellerslie?
A full basement finish in Ellerslie takes 4–8 weeks. A legal suite with plumbing and permitting takes 8–14 weeks. Underpinning adds 2–4 weeks. Your contractor will provide a detailed schedule.

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