Finished basement in Perth — open concept design
21 basement renovation projects submitted this week in Perth

Basement Renovation
Perth

Find the best rate for basement renovation in Perth. Our renovation partners transform unfinished basements into livable space — competitive pricing.

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

Licensed & Insured Contractors

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

100% Free Quote

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

Waterproofing Expertise

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

Code-Compliant Builds

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

Basement renovation prices in Perth — 2026

Estimates based on size, scope and finish level

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Full Basement Finish

Framing · Drywall · Flooring · Lighting · Bathroom

$22557 – $71773
Get an exact price →
🏡

Legal Basement Suite

Permits · Egress · Kitchen · Bath · Full finish

$10253 – $35886
💧

Waterproofing

Interior/exterior membrane · Sump pump · Drainage

$3588 – $14354

🛁 Basement bathroom addition

$1538 — $6152

☔ Interior waterproofing system

$3588 — $14354

🌡️ Basement heating installation

$1538 — $6152

💡 Egress window installation

$1538 — $6152

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

Basement renovation services available in Perth

Underpinning

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

Basement Finishing

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

Legal Basement Suite

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

Basement Waterproofing

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

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 Perth.

Frequently asked questions — Basement renovation in Perth

How much does it cost to finish a basement in Perth?
A full basement finish in Perth typically costs $22557–$71773, depending on size, bathroom inclusion and finish level. A basic finish with no bathroom starts around $3588–$10253. Get 3–5 free quotes to compare.
How much does a legal basement suite cost in Perth?
A legal basement suite in Perth typically costs $10253–$35886, including permits, egress windows, kitchen, bathroom and separate entrance. Rental income of $1,500–$2,500+/month is common in larger Perth markets.
Do I need a permit to finish my basement in Perth?
Yes — basement finishing that includes electrical, plumbing or structural work requires permits in Perth. 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 Perth: 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 Perth?
A full basement finish in Perth 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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