If you have big or small plans for your basement, you can count on the GSM team to help you make them come true. Used as additional living, relaxation or entertainment space, a basement must be well-designed to meet the specific needs of you and your family. As an experienced basement renovation contractor, we can help you create a variety of rooms and spaces such as an additional bedroom, a suite for your parents, a home theater, a man cave, a gym, a cellar and so much more.
Basement Renovations In Montreal: Transform Your Space With Construction & Rénovation GSM
If you’re planning a basement renovation in Montreal, whether large or small, Construction & Rénovation GSM is the team you can rely on. A well-designed basement can dramatically increase your home’s usable space, comfort, and long-term value.
As an experienced basement renovation contractor, we help homeowners transform underutilized basements into fully functional living areas tailored to their needs. From additional bedrooms and in-law suites to home theaters, gyms, offices, and entertainment spaces, we design and build basements that work for your lifestyle.
Our Recent Basement Renovation Projects
The basement is one of the most versatile spaces in a home — and a place where creativity can truly shine. Explore some of our recent basement renovation projects in Montreal to see how we’ve helped homeowners bring their ideas to life.
No matter the complexity of your project, our experienced team is here to guide you every step of the way.
Why Renovate Your Basement?
A professionally renovated basement can be used as:
- An extra bedroom or guest suite
- An in-law or parental suite
- A home theater or entertainment room
- A home gym or wellness space
- A playroom or family room
- A man cave or bar area
- A wine cellar or storage solution
Our team ensures your basement renovation is code-compliant, comfortable, and built to last.
Our Detailed Basement Renovation Services
Creating a fully functional basement requires expertise across multiple disciplines. As a full-service basement renovation contractor in Montreal, Construction GSM provides turnkey basement renovation solutions from design to completion.
Construction & Preparation Work
We ensure your basement is properly built, insulated, and prepared for long-term comfort and durability:
- Basement insulation
- Wall framing and room divisions
- Floors, subfloors, and heated flooring systems
- Painting and tile installation
- Window and door installation
- Electrical work
- Plumbing and drainage
- Ventilation systems
Ceiling, Lighting & Electrical Features
Proper lighting and ceiling design are essential in basement renovations. We install:
- Suspended ceilings
- Recessed lighting
- Electrical outlets and lighting controls
Kitchenettes, Bathrooms & Built-In Features
Every successful kitchen renovation starts with proper planning. Our design team provides:
- Cabinets, hardware, and countertops
- Toilets, bathtubs, and showers
- Sinks and faucets
- Mirrors
- Custom built-ins
- Storage and organization solutions
Frequently Asked Questions
What budget should I set aside for my bathroom renovation
The cost of bathroom renovation can vary significantly based on several factors, including the size of your bathroom, the quality of materials chosen and the complexity of the work involved. While a simple bathroom can be renovated for as little as $19,000, you can expect to pay between $25,000 and $35,000 on average for the complete renovation of a standard bathroom. For a higher-end bathroom, costs can easily reach $50,000. According to the National Bank, the maximum cost of a bathroom renovation is estimated at 5% of the value of your property. This means that for a $650,000 property, you should invest at least $32,500. For a more accurate estimate, let’s schedule a consultation so that we can discuss your specific needs and preferences.
How long will the renovation take?
The time needed to renovate a bathroom depends on the project scope. A simple refresh with new accessories and paint can take as little as 7 days, while a complete renovation with structural changes and high-end finishes can take 2-3 weeks. It’s also recommended to allow a few extra days for unforeseen situations, which are not uncommon in renovation projects. We’ll provide you with a detailed timeline upfront, including key milestones, so you can clearly understand the project’s progression.
Do I need a permit to renovate my bathroom?
The need for a permit depends on the scope of the bathroom renovation. Minor renovations, such as painting or replacing fixtures, generally don’t require a permit. On the other hand, more extensive work, such as plumbing or electrical modifications, structural alterations or enlarging the bathroom surface area, requires a permit. After assessing the specific requirements of your project, we’ll help you obtain the appropriate permits to ensure that everything is up to code.
Can I continue to use my bathroom during the renovation?
In most cases, a complete bathroom renovation means the space will be out of use for the project’s duration. If this is the only bathroom in your home, we recommend that you plan a temporary replacement solution. At our first meeting, we can discuss the details of using your bathroom during the renovation and the potential impact on the work schedule.
Will a bathroom renovation add value to my property?
As many sources say, bathroom renovations add value to a property. As a homeowner, you can expect a return on investment of 65% to 100% of the cost of your renovation ( in addition to an improved quality of life!).
How do you deal with unexpected changes or problems during renovation?
Unexpected changes and problems are not uncommon during renovation projects. As your bathroom renovation contractor, we handle these situations with clear communication and flexibility. If you request changes, or if we encounter unforeseen problems (such as hidden water damage or structural issues), we’ll immediately discuss the implications for schedule and budget.
Transform Your Basement into a Comfortable, Functional Living Space
If you’re ready to unlock the full potential of your basement, contact Construction & Rénovation GSM today. We’ll help you plan, design, and build a basement renovation that adds comfort, functionality, and lasting value to your home.