Basement Renovations
Toronto

Unlock your home’s full potential with expert basement renovation Toronto services. Rental apartments, rec rooms, home offices, and legal secondary suites across Toronto and the GTA.

Total Reno Design - Expert Home Renovations in Toronto

Transform your basement into a beautiful, functional space that adds lasting value to your home. Whether you envision a cozy family room, a home office renovation, a stylish home theatre, or even an income suite, ou basement renovation contractors specialize in basement transformation to create livable extensions of your home.

Why Renovate Your Basement?

 

Adds Valuable Living Space

A basement transformation turns unused square footage into a functional and comfortable living space, perfect for a home office renovation or a cozy area for the whole family, ultimately leading to increased home value.

Increases Home Value

A basement transformation often delivers a strong return on investment, making your property more appealing to future buyers and contributing to increased home value. Additionally, a well-executed home office renovation in the basement renovation can further enhance its attractiveness.

Perfect for a Home Office or Gym

Transform your basement to fit your lifestyle—whether it’s through a home office renovation, a personal gym, or a peaceful studio space. This basement transformation not only enhances your living experience but can also lead to increased home value.

Ideal for Entertaining

Transform your basement into the ultimate hangout zone by creating a home theatre, bar area, or game room for entertaining guests. This basement transformation not only enhances your entertainment options but can also serve as a perfect space for a home office renovation, ultimately leading to increased home value.

Great for Growing Families

Transforming your basement into extra bedrooms, bathrooms, or play areas is a smart solution for families needing more space. This basement transformation not only provides additional room but can also serve as a home office renovation, ultimately leading to increased home value.

Potential Rental Income

Transform your basement into a legal secondary suite to generate rental income and help cover mortgage costs, while also enhancing your home’s value. Consider this basement transformation as a way to create a functional space, such as a home office renovation, that can provide both utility and financial benefits.

Custom Storage Solutions

A basement transformation can include built-in shelving, closets, or hidden storage, making it perfect for a home office renovation while also contributing to increased home value by keeping your space organized.

Improved Comfort and Insulation

Upgraded insulation, flooring, and lighting can lead to an impressive basement transformation, turning a cold basement into a cozy, energy-efficient retreat that also serves as a perfect home office renovation, ultimately contributing to increased home value.

Increased Home Functionality

Consider a basement transformation to add a laundry room, mudroom, or workshop—boosting your home’s practicality and functionality without the need for a full addition. This approach can also enhance your home office renovation efforts, ultimately leading to an increased home value.

What Makes Our Service Different

LEGAL SECONDARY SUITES

Legal Basement Apartments That Pass Inspection

Building a legal basement apartment in Toronto requires navigating specific Ontario Building Code requirements that go far beyond a standard finished basement renovation. Our basement renovators has built over 100 legal secondary suites across the GTA and know exactly what City inspectors require at every stage.

Separate entrance with proper weatherproofing and security

Egress windows in every sleeping area meeting OBC size codes

Fire separation and fire-rated assemblies between units

Independent HVAC or supplemental heating for the suite

Basement renovation with a fireplace feature wall and gray tile flooring in a modern design."
Legal secondary suite — North York project
Foundation underpinning — Scarborough project
UNDERPINNING & FOUNDATION

Underpinning: Gaining the Headroom You Need

Many Toronto homes — especially bungalows and older semis — have basement ceiling heights of 6’6″ or less. Underpinning lowers the concrete floor by deepening the foundation footings, gaining 12 to 24 inches of headroom and transforming a cramped dark space into a bright, comfortable living area.

Structural engineering and City of Toronto permit included

Sequential underpinning method protects your foundation throughout

New concrete floor poured to final grade after completion

Typical 12 to 24 inch headroom gain depending on conditions

ENTERTAINMENT SPACES

Home Theatres and Entertainment Rooms

A dedicated basement home theatre is one of the most popular and rewarding renovation projects we deliver. We design and build custom theatre rooms with acoustic insulation, coffered ceilings, tiered seating platforms, integrated AV wiring, wet bars, and game areas built into the space.

Acoustic insulation and sound-deadening wall assemblies

Coffered ceilings with recessed lighting and cove accents

Custom tiered seating platforms with built-in storage below

Wet bar with under-counter fridge, sink, and wine storage

Custom home theatre — Etobicoke basement
Home office and rec room — Mississauga basement
HOME OFFICE & MULTI-USE

Productive Workspaces Built Into Your Basement

A well-designed basement home office adds genuine daily value. We create dedicated workspaces with proper lighting, dedicated electrical circuits, structured wiring for ethernet and AV, built-in shelving and desk systems, and acoustic insulation so your calls stay private.

Dedicated 20A electrical circuits for home office equipment

Structured ethernet and AV wiring for high-speed connectivity

Built-in desk systems and wall-to-wall shelving units

Acoustic insulation in walls for maximum sound control

400+ Toronto Basements

More GTA basement renovations than almost any contractor in Toronto, with permits and inspections every time.

Rental-Ready Suites

We build legal secondary suites that pass City of Toronto inspection and are ready to rent from day one.

Moisture-First Approach

Every basement we touch is assessed for moisture and properly waterproofed before a single stud is framed.

What’s Included Our Basement Renovation Toronto

Our Process of Basement Renovations

01

Free In-Home Assessment

We inspect ceiling height, foundation condition, moisture levels, and existing mechanical before advising on scope.
02

Design & Layout Planning

Floor plan optimized for your intended use — rental suite, family room, home office, or combination.
03

Permits & Engineering

We prepare and submit all permit applications, including structural engineering for underpinning or beam work.
04

Waterproofing & Structural Work

Moisture issues resolved, underpinning completed, egress windows cut, and separate entrance built.
05

Mechanical Rough-In

All plumbing, electrical, and HVAC rough-in completed, inspected, and signed off by City inspectors.
06

Framing, Insulation & Drywall

Walls framed, insulated, drywalled, and painted. Ceilings completed with integrated lighting.
07

Finishing Trades

Flooring, kitchen or wet bar, bathroom tile and fittings, cabinetry and built-ins all completed.

08

Final Inspection & Handover

City of Toronto final inspection passed. Occupancy permit obtained for secondary suites. Full walkthrough.

Frequently Asked Questions

Yes. Most Toronto basement renovations require a building permit — especially if you are adding a bedroom, bathroom, kitchen, or separate entrance. 

Yes, if it meets Ontario Building Code requirements for a secondary suite: minimum ceiling height, egress windows, a separate entrance, kitchen, bathroom, smoke and CO2 detectors, and fire separation between units.

A standard finishing project takes 3 to 4 weeks. A basement with underpinning and a legal secondary suite including separate entrance can take 4 to 6 months depending on city permit.

Signs include efflorescence on concrete walls, musty odour, visible mould, water stains, or damp insulation. Our basement renovators perform a thorough moisture assessment as part of our free consultation.

Free Quote

Tell us about your project and we reply within 24 hours.
OTHER SERVICES

Ready to Start Your Project?

Get your free consultation today. No obligation, no pressure. We respond within 24 hours — usually sooner.
Scroll to Top