Trusted construction & renovation experts serving the GTA and Ontario. From concept to completion, we build with precision and deliver with pride.
When you partner with Proventa Construction across the Greater Toronto Area, one central team manages architectural design, municipal permits, and full construction. As a result, homeowners and property investors enjoy clear pricing, a dependable schedule, and a single point of contact from start to finish.
Renovating a residential or commercial property in the Greater Toronto Area requires far more than standard plans and basic tools. Because housing styles vary dramatically across the Golden Horseshoe—from Victorian heritage homes in Downtown Toronto to expansive suburban builds in Mississauga, Brampton, and Oakville—each neighborhood presents distinct architectural constraints. For instance, converting a basement into a legal secondary dwelling in Brampton involves different code nuances than adding a rear home extension in Etobicoke. Consequently, Proventa Construction Inc. customizes every project around your specific lot and vision rather than taking a generic template approach.
Coordinating independent architects, separate sub-trades, and municipal inspectors frequently creates frustrating delays for property owners. However, our turnkey approach eliminates that stress entirely. We oversee every phase of your transformation, starting with initial 3D design and municipal permit approvals down to mechanical rough-ins and final interior finishes. As a result, you receive consistent craftsmanship, a clear schedule, and a single dedicated point of contact throughout the entire build. Before deciding on your contractor, explore our recent projects or learn more about our company.
First, we prepare precise 2D drafting, structural concepts, and 3D floor layouts tailored to your property. Furthermore, our team manages all submissions for GTA municipal building permits and Committee of Adjustment minor variance requests so your project begins smoothly.
Since many older GTA kitchens feature enclosed layouts, we redesign spaces to create functional open-concept living. In addition, we install custom cabinetry, durable quartz counters, and modern electrical or plumbing rough-ins for high-end appliances.
Because moisture control is essential to long-term durability, our bathroom remodels include fully waterproofed curbless walk-in showers and custom vanities. Additionally, we install heated tile flooring and premium fixtures so your space performs beautifully for years.
Whether you plan to build a registered secondary suite, a custom home theater, or a family recreation room, we construct your lower level to code. Consequently, you gain valuable living space or rental revenue backed by proper egress windows and fire separation barriers.
After verifying property setbacks, we construct code-compliant concrete basement side entrances. Furthermore, our team builds interlocking paver or asphalt driveways, retaining walls, and site drainage systems to direct surface water safely away from your foundation.
Before installing hardwood, luxury vinyl plank (LVP), laminate, or ceramic tile, we inspect and level your subfloor thoroughly. Alternatively, we sand, refinish, and restore existing hardwood floors whenever the original materials can be saved.
Because older electrical panels across GTA homes often struggle with modern power demands, our certified electricians upgrade main panels and add dedicated circuits. Likewise, we install pot lights, EV chargers, and complete rewiring to maintain total safety.
Preventing water damage requires proactive protection, so we install backwater valves, sump pumps, and complete drainage setups. As a result, your plumbing operates efficiently while your basement stays better protected against seasonal flooding.
Following thorough drywall prep and surface repair, our painters apply premium low-VOC interior and exterior finishes. Besides coating walls and trim, we also offer custom cabinet refinishing to give your kitchen or bathroom a fresh modern look.
Because many mature properties across the GTA feature isolated kitchens, we evaluate load-bearing walls and safely open up main-floor spaces. Furthermore, we install functional islands and updated lighting, as featured on our kitchen renovation page.
First, we trace the source of moisture or ground seepage. Then, we correct exterior site drainage, install backwater valves or sump pumps, and finish the area with moisture-resistant materials. Both our plumbing team and basement team collaborate on every repair.
Because navigating secondary dwelling unit guidelines varies by GTA municipality, we review zoning, ceiling clearances, and fire separation rules early. Next, we draft permit-ready blueprints and manage submissions with your local city hall so you avoid costly compliance delays.
When older electrical infrastructure cannot support modern power loads, our certified electricians perform a full system assessment. Consequently, we upgrade your panel and add dedicated lines for EV chargers or secondary suites, as explained on our electrical services page.
Before construction starts, we cross-reference your scope against local municipal bylaws to confirm permit requirements. When permits are required, our architectural design and permit team handles all drawing packages and city correspondence.
Instead of juggling separate sub-contractors, you work with one central project manager who directs design, trade scheduling, municipal inspections, and site cleanup. For substantial structural extensions, we also act as a full building construction company.
As an experienced general contractor in the Greater Toronto Area, we adapt our construction approach to match the unique architectural characteristics of each municipality.
When you are ready to explore your options, review our kitchen renovation page or our permit drawings page for more details.
Because structural alterations and secondary residential units in the GTA must adhere strictly to the Ontario Building Code (OBC) and local municipal bylaws, our team manages the entire administrative process for you.
When you are ready to start your project, request a free quote or contact our team to discuss your plans.
It depends on your project scope. Major structural modifications, new secondary suites, plumbing or electrical additions, and property extensions require a municipal building permit across all GTA cities. Conversely, cosmetic updates like wall painting or replacing existing flooring do not. Our team reviews your plans and handles all necessary permit documentation.
To qualify as a legal secondary suite under local municipal registration programs, your basement must comply fully with the Ontario Building Code. Requirements include proper ceiling clearances, egress bedroom windows, fire-rated separation assemblies, independent heating control, and a safe entrance. We manage the process from initial design to final city inspection.
Standard kitchen and bathroom remodels typically take 3 to 6 weeks once on-site work begins, depending on custom cabinet delivery lead times. Meanwhile, full basement conversions and legal secondary suite builds generally take 8 to 16 weeks. We provide a binding project schedule before construction starts.
Costs vary according to overall project size, material choices, and the amount of structural, plumbing, or electrical reconfiguration required. For example, a cosmetic refresh costs significantly less than an open-concept structural overhaul. Following our initial site visit, we provide an itemized scope and transparent cost estimate.
We serve homeowners throughout the Greater Toronto Area, including Toronto, Mississauga, Brampton, Oakville, Burlington, Milton, Vaughan, Richmond Hill, Markham, and Oshawa. In addition, we service surrounding regions across Southwestern and Northern Ontario.
Yes, our team manages both phases seamlessly. We produce architectural designs and technical drawings and execute the physical construction. As a result, this unified approach eliminates misunderstandings between designers and builders.
Always request a written contract with an itemized scope of work, clear timeline milestones, confirmation of general liability insurance, WSIB coverage, and an explicit explanation of how permits will be handled. Fortunately, we provide complete documentation during your initial consultation.
In most instances, yes. Main-floor kitchen remodels can require temporary cooking arrangements, but for basement conversions, additions, or exterior work, homeowners can comfortably stay on site. Furthermore, we set up containment barriers and maintain a clean workspace to minimize daily disruption.
Older homes occasionally reveal legacy wiring or hidden structural issues once walls are opened. When we uncover unexpected conditions, we stop work, explain the issue clearly, and present practical repair options with associated costs. Because no extra work proceeds without your written sign-off, you always stay in full control. You can read additional information on our FAQ page.
When you contact Proventa Construction, we explain your project options clearly without pushy sales pressure. Request your free quote online or speak directly with our team by calling (437) 210-0511. You can also explore expert construction advice on our blog.
Proventa Construction transformed our unfinished basement in Oakville into a comfortable, modern living space. The recessed lighting brightens the rooms, and the flooring, drywall… and painting give everything a clean, finished look. We especially appreciate how well the layout works for our family. Very happy with our basement renovation.
We had a great experience with Proventa Construction for our basement finishing project. They helped us make better use of the space with a welcoming recreation area, practical… storage and modern lighting. The neat trim, smooth walls and attention to the smaller details made a big difference. Our basement finally feels like part of our home.
Proventa Construction Inc. transformed our outdated 1990s kitchen into a stunning open-concept dream space. They removed a load-bearing wall, installed custom cabinetry, and… fitted gorgeous quartz countertops. The project leadership was top-notch—they kept everything clean, organised, and strictly on schedule. The attention to detail on the tile backsplash and lighting upgrades made a huge difference. Highly recommended for any major kitchen remodel!
Really happy with how our basement turned out. Proventa Construction did a fantastic job transforming it into a beautiful, fully finished legal basement with a modern island… kitchen, stylish cabinets, and elegant countertops. The whole space looks amazing and feels like a separate home. Highly recommend Proventa Construction for legal basement renovations and home remodeling in the GTA!
We hired Proventa Construction to build a below-grade entrance for our basement apartment. The work included excavation, concrete steps, retaining walls, and drainage. The team… explained the process clearly and kept us updated throughout.
We recently hired Proventa Construction to renovate our kitchen, bathroom, and basement all at once. Honestly, taking on three major spaces had us incredibly stressed, but the… team made the entire process so much easier. They were straightforward with pricing, transparent about the timeline, and actually showed up when they said they would. The craftsmanship is excellent—the kitchen is beautiful and functional, the bathroom feels like a proper upgrade, and the basement went from a dusty storage zone to a bright space we actually use every day. There were a couple of minor material delays along the way, but they communicated immediately and sorted it out without dragging their feet. If you want a dependable crew in the Toronto area that does quality work and respects your home, I highly recommend them.
We recently hired Proventa Construction for a complete overhaul of both our kitchen and bathroom, and honestly, they knocked it out of the park. From our very first meeting, the… team felt more like good neighbors who genuinely cared about our house rather than just another contractor. They really listened to our vision (and our budget!) and turned what could have been a super stressful process into a really exciting project. The craftsmanship is top-tier. Our kitchen is now the ultimate gathering spot—functional, beautiful, and the custom finishes are just stunning. And the bathroom? It honestly feels like a boutique hotel spa now. What really stood out to us was their communication. They kept us in the loop every step of the way, showed up on time, and left the place spotless at the end of every work day. In true Canadian fashion, they were polite, professional, and just a real pleasure to have around. If you are looking to renovate and want a team you can actually trust to do an incredible job, look no further than Proventa. We couldn't be happier with how everything turned out. Thank you guys so much!
Proventa Construction did an excellent job finishing townhouse basement in Mississauga. The team provided honest guidance, practical suggestions, and quality workmanship.… Communication was clear throughout, and the finished basement feels comfortable and inviting. Highly recommend Proventa Construction for basement renovations in Mississauga.
We recently worked with Proventa Construction to renovate our basement, and they were incredible. They turned a dark, unfinished space into a beautiful, bright, and comfortable… extension of our home. From start to finish, the team was transparent, respectful, and genuinely cared about the quality of their work. If you're looking for trustworthy people who do amazing work, we highly recommend Proventa!
Honestly, we couldn't be happier with the job Proventa Construction did on our kitchen and basement! From day one, the guys were super professional, completely reliable, and just… all-around great people to have around the house. They turned our kitchen into an absolute dream and made the basement so cozy for the family. Their attention to detail is incredible, the pricing was totally fair with zero surprises, and they made the whole project completely stress-free. If you're looking to upgrade your place, we highly recommend them—they truly went above and beyond!
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