LintelConstruction

Basement Renovations

Basement Finishing in Toronto and the GTA

An unfinished basement is the cheapest square footage in the house. Finishing it well is mostly about what happens before drywall.

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Glass-walled, climate-controlled wine room with oak racks and warm accent lighting
Design concept

Most of the basements we finish start the same way: bare concrete walls, a furnace in the middle of the room, a few pipes running where you would want a ceiling. The question is never whether it can be finished. It is how to plan around what is already there so the space feels like part of the house, not a converted storage room.

We start with a site visit to check for moisture, measure ceiling heights under ducts and beams, and note where the mechanical room, panel and sump sit. That shapes the layout. Then we design the space in 3D, price it once, take care of the building permit and build in a fixed sequence so inspections pass the first time.

What is included

Basement finishing by Lintel

  • Layout and design

    Room layout planned around the mechanical room, stairs and structure, shown in 3D before you commit.

  • Permits and drawings

    Drawings prepared and the building permit and inspections handled for you.

  • Framing and insulation

    Below-grade wall assemblies that manage moisture properly, plus sound insulation where it matters.

  • Electrical and lighting

    New circuits, pot lights, outlets where you will actually use them, and low-voltage cable for TV and network.

  • Ceilings and bulkheads

    Ducts and pipes boxed in cleanly, with the most headroom we can keep.

  • Flooring and finishes

    Flooring rated for below grade, drywall, paint, trim, doors and millwork.

Before you build

What to plan for

  • Headroom is the real constraint

    Ducts, beams and plumbing decide where the ceiling can sit. We measure them early and sometimes reroute a duct to gain height over the main room instead of dropping the whole ceiling.

  • Keep the mechanical room reachable

    Furnaces, water heaters and panels need access and clearances. We plan around them rather than squeezing them into a closet that the next technician cannot work in.

  • Do not finish over a damp wall

    If there are signs of water, we deal with them before framing. Finishing over moisture just hides the problem behind something expensive.

FAQ

Basement finishing: common questions

Do I need a permit to finish my basement in Toronto?

In most GTA municipalities, finishing a basement with new walls, plumbing or a bathroom needs a building permit, with inspections at framing, insulation and plumbing stages. We prepare the drawings and manage the permit and inspections.

How long does it take to finish a basement?

Most basement finishing projects take roughly 8 to 14 weeks on site once the permit is issued. Bathrooms, bars and custom millwork add time, and we give you the schedule before we start.

Can we live in the house while you finish the basement?

Usually, yes. We seal off the basement, protect the stairs and keep work to set hours. You can follow progress each day in your client portal.

What flooring works best in a basement?

Materials that tolerate some moisture, such as luxury vinyl plank, porcelain tile or engineered flooring rated for below grade. Solid hardwood is usually a poor choice on a concrete slab.

Start here

Start your basement finishing project

Tell us a little about your project. We will call within one business day to arrange a site visit, then show you a design in 3D and a fixed price before anything is built.

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We reply within one business day. No obligation.

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