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DWBCONSTRUCTION
Finished basement recreation room with white oak media wall, pot lights and vinyl plank floor

Basement Finishing

Turn the floor you already own into the most useful one in the house.

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A finished basement adds living space without changing your footprint. We start with what matters underground — moisture, insulation, ceiling height and egress — then build a space that feels like the rest of the home.

Basement finishing suits growing families, home offices and gyms, and owners creating a legal secondary suite for rental income or multigenerational living.

What's included

Everything, itemised

Your quote lists each of these as its own line, so nothing is assumed.

Assessment & approvals

  • Moisture and foundation assessment
  • Ceiling height, ductwork and beam review
  • Layout drawings and building permit
  • Secondary suite fire separation and egress planning

Build

  • Subfloor and insulated wall framing
  • Rigid and batt insulation with vapour control
  • Egress window cut-in and window wells
  • Electrical, pot lights and data
  • Plumbing for bathrooms, wet bars and laundry
  • HVAC balancing and dedicated supply/return

Finishing

  • Drywall, taping and bulkheads
  • Fire-rated assemblies for secondary suites
  • Flooring suited to below-grade spaces
  • Built-ins, stairs and railings
  • Trim, doors and paint

Options

Choose the right approach

Recreation room

An open living area with media wall, storage and optional powder room.

Best for: Family space, guests, home theatre

Legal secondary suite

A self-contained unit with separate entrance, kitchen, bathroom, fire separation and egress to code.

Best for: Rental income or multigenerational living

Walkout vs. window well

Walkouts bring in full-height doors; below-grade basements rely on enlarged egress windows and good lighting design.

Best for: Depends on lot grade

Indicative costs

Guide price ranges

Recreation room finish
To be confirmed
Finish with bathroom
To be confirmed
Legal secondary suite
To be confirmed

Guide prices vary with size, specification and site conditions — your itemised quote will confirm the exact figure before any work begins.

Typical timeline

Phase by phase

  1. 1Measure, layout & drawings1–3 weeks
  2. 2Permit reviewVaries by municipality
  3. 3Framing & rough-ins2–3 weeks
  4. 4Insulation & inspections1 week
  5. 5Drywall, taping & paint2–3 weeks
  6. 6Flooring, trim & fixtures2–3 weeks

Permits: Usually a few weeks; secondary suites may take longer

Process

How a basement finishing project runs

  1. 01

    Enquiry

    Tell us what you have in mind and roughly when you'd like to start.

  2. 02

    Site visit & measure

    We check moisture, measure ceiling heights and map ducts and beams before suggesting a layout.

  3. 03

    Itemised quote

    A line-by-line price with exclusions spelled out, so you can compare like for like.

  4. 04

    Build & manage

    Framing, rough-ins and inspections are sequenced tightly so the house above stays liveable.

  5. 05

    Walkthrough & aftercare

    We walk the finished space with you, close out every deficiency and stay on call under warranty.

Gallery

Recent work

FAQs

Basement Finishing: your questions

Tell us about your project

Four details and we'll take it from there. You'll finish the full request on the next page.

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