New basement finishing in Centretown, Ontario
53 basement renovation projects submitted this week in Centretown

Basement Renovation
Centretown

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Basement renovation prices in Centretown — 2026

Estimates based on size, scope and finish level

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Full Basement Finish

Framing · Drywall · Flooring · Lighting · Bathroom

$25089 – $80286
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🏡

Legal Basement Suite

Permits · Egress · Kitchen · Bath · Full finish

$12042 – $40143
💧

Waterproofing

Interior/exterior membrane · Sump pump · Drainage

$4014 – $16057

🛁 Basement bathroom addition

$1806 — $7025

☔ Interior waterproofing system

$4014 — $16057

🌡️ Basement heating installation

$1806 — $7025

💡 Egress window installation

$1806 — $7025

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

Why choose Basement Quotes Canada for your basement renovation in Centretown?

Licensed & Insured Contractors

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

100% Free Quote

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

Waterproofing Expertise

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

Code-Compliant Builds

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

Basement renovation services available in Centretown

Legal Basement Suite

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

Basement Bathroom

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

Home Theatre & Media Room

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

Basement Waterproofing

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

Underpinning

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

Basement Finishing

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

Frequently asked questions — Basement renovation in Centretown

How much does it cost to finish a basement in Centretown?
A full basement finish in Centretown typically costs $25089–$80286, depending on size, bathroom inclusion and finish level. A basic finish with no bathroom starts around $4014–$12042. Get 3–5 free quotes to compare.
How much does a legal basement suite cost in Centretown?
A legal basement suite in Centretown typically costs $12042–$40143, including permits, egress windows, kitchen, bathroom and separate entrance. Rental income of $1,500–$2,500+/month is common in larger Centretown markets.
Do I need a permit to finish my basement in Centretown?
Yes — basement finishing that includes electrical, plumbing or structural work requires permits in Centretown. 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 Centretown: 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 Centretown?
A full basement finish in Centretown 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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