Finished basement in South Granville — open concept design
56 basement renovation projects submitted this week in South Granville

Basement Renovation
South Granville

Did you know that a finished basement can add 10–20% to your home's value in South Granville? Our certified experts plan and build code-compliant basement spaces with quality guarantees.

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Basement renovation prices in South Granville — 2026

Estimates based on size, scope and finish level

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Full Basement Finish

Framing · Drywall · Flooring · Lighting · Bathroom

$24371 – $77988
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🏡

Legal Basement Suite

Permits · Egress · Kitchen · Bath · Full finish

$11698 – $38994
💧

Waterproofing

Interior/exterior membrane · Sump pump · Drainage

$3899 – $15597

🛁 Basement bathroom addition

$1754 — $6823

☔ Interior waterproofing system

$3899 — $15597

🌡️ Basement heating installation

$1754 — $6823

💡 Egress window installation

$1754 — $6823

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

Why choose Basement Quotes Canada for your basement renovation in South Granville?

Licensed & Insured Contractors

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

100% Free Quote

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

Waterproofing Expertise

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

Code-Compliant Builds

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

Basement renovation services available in South Granville

Legal Basement Suite

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

Home Theatre & Media Room

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

Basement Waterproofing

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

Basement Bathroom

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

Basement Finishing

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

Underpinning

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

Frequently asked questions — Basement renovation in South Granville

How much does it cost to finish a basement in South Granville?
A full basement finish in South Granville typically costs $24371–$77988, depending on size, bathroom inclusion and finish level. A basic finish with no bathroom starts around $3899–$11698. Get 3–5 free quotes to compare.
How much does a legal basement suite cost in South Granville?
A legal basement suite in South Granville typically costs $11698–$38994, including permits, egress windows, kitchen, bathroom and separate entrance. Rental income of $1,500–$2,500+/month is common in larger South Granville markets.
Do I need a permit to finish my basement in South Granville?
Yes — basement finishing that includes electrical, plumbing or structural work requires permits in South Granville. 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 South Granville: 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 South Granville?
A full basement finish in South Granville 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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