A load-bearing wall is removed by replacing it with a beam that carries the same load, supported at each end by posts that continue down through every floor to proper footings. The beam, posts and footings are sized by an engineer or code tables, the ceiling is held up on temporary walls while the wall comes out, and in most Canadian municipalities the work needs a building permit and inspection.
- There is no amount of a bearing wall you can remove without a header or beam carrying the load.
- The beam is only half the job; posts and footings under each end carry the concentrated load to the soil.
- A flush beam hides in the ceiling and costs more; a dropped beam is simpler and cheaper.
- Temporary walls on both sides hold the structure while the wall is removed and the beam installed.
- Expect a permit, engineered drawings for most cases, and inspection before the ceiling is closed.
01 /Can you remove a load-bearing wall?
Yes. Load-bearing walls are removed or shortened routinely in Canadian renovations, but never by simply taking them out. The wall's job, supporting joists and whatever sits on them, is transferred to a beam, and the beam's load is transferred through posts to footings. Done that way, the open space is as strong as the wall it replaced.
Start by confirming whether the wall is bearing and what it carries; the clues are in how to tell if a wall is load-bearing. The loads a beam must carry are the part homeowners underestimate. A main-floor wall under a second storey may carry a floor, a bearing wall above, part of the roof and its snow load. The same wall in a bungalow may carry only ceiling joists and attic storage. The beam for the first case can be several times the size of the second.
02 /How is a load-bearing wall replaced with a beam?
- Assessment and design
An engineer (or a designer using the span tables where the case is simple enough) determines the loads, sizes the beam, posts, connections and footings, and specifies temporary support and sequence.
- Permit
The municipality reviews the drawings and issues the building permit. Calgary lists structural changes such as moving or removing walls on any floor as requiring a permit, and many municipalities do the same.
- Protect and prepare
Shut off and reroute electrical, plumbing and ducts in the wall; protect floors; remove drywall or plaster to expose the framing.
- Build temporary walls
Short stud walls with a top and bottom plate on each side, close to the wall being removed, carry the joists during the work. Their load goes down to the floor below, which may need its own temporary shoring in the basement.
- Remove the wall
Cut out studs and plates once the temporary walls are snug. Never remove bearing studs before temporary support is in place.
- Install footings and posts
New footings in the basement under each post location, and continuous support from the beam down through each floor, using solid blocking (sometimes called squash blocks) where posts pass through floor framing.
- Set the beam
Lift the beam into place, dropped below the joists or flush with them in hangers, fasten per the drawings and set the posts.
- Inspect, then close up
Engineer field review and municipal inspection of the framing before drywall; then remove temporary walls and finish.
03 /Flush beam or dropped beam?
A dropped beam sits below the joists, which rest on top of it. A flush beam is set up into the joist depth, with the joists hung from its sides in metal hangers, so the ceiling stays flat. The choice changes cost, schedule and design.
Beam materials for houses are usually built-up laminated veneer lumber (LVL), glulam or steel. LVL is common for moderate spans and loads and is easy to carry into a house in plies. Steel suits long spans, heavy loads or tight depth limits for a flush beam, but needs lifting equipment, fire protection details and wood nailers. Engineered lumber manufacturers publish sizing tables, but those assume specific loads; most wall removals under a second floor or roof are designed by an engineer rather than read from a table. The LVL vs steel beams guide compares the options and explains what drives beam size.
04 /Why do the posts and footings matter so much?
Because a beam turns a load spread along a wall into two concentrated loads at its ends. A wall that sat on a basement beam line along its whole length now pushes down at two points. Each point needs a post of adequate size, a solid connection at the top and bottom, continuous blocking through any floor it passes, and a footing sized for that load on soil that can carry it.
- Continuous load path. A post on the main floor must land on something that carries it: a post, wall or beam in the basement, directly below, on a footing.
- No landing on subfloor alone. A post resting on plywood between joists crushes it. Solid blocking under the post, in line with the post below, carries the load through.
- New footings. Existing slab or old pads are rarely adequate for new concentrated loads; plan for cutting the slab and pouring footings.
- Existing beams. If a new post lands on an existing basement beam instead of a footing, that beam has to be checked for the new point load.
Skipping the footing is the most common shortcut in unpermitted wall removals, and it shows up years later as a dip in the floor at the end of the new beam, cracks in the drywall and doors that no longer close.
05 /How much of a load-bearing wall can be removed without a beam?
None of the bearing length can be removed without something carrying its load. Every opening in a bearing wall, even a doorway, has a header above it that works as a small beam. Widening a doorway means a bigger header and bigger supports under its ends; removing a whole wall means a beam across the whole opening. New openings, headers and the damage done when they are cut without support are covered in cut joists and renovation damage.
Some variants that owners ask about:
- Replacing the wall with columns. Yes: a beam on intermediate posts can shorten the span and reduce the beam size, if a post in the room is acceptable. Each post needs its own footing and continuous path down.
- Moving a bearing wall. Effectively removing it and building a new bearing line elsewhere, with its own support below. The joists must span to the new position.
- Removing part of a wall. A wide opening with short returns at either end is often the most economical; the returns hold the posts.
- Attic space above. Removing a wall under ceiling joists may be simpler, but check what the ceiling joists support and whether they tie the rafters.
06 /What does removing a load-bearing wall cost in Canada?
| Scope | Typical planning range |
|---|---|
| Engineering design and stamped drawings | $1,000–$3,500 |
| Bungalow, dropped LVL beam, ceiling load only | $5,000–$12,000 |
| Main floor under a second storey, dropped beam | $8,000–$20,000 |
| Flush beam, second storey above | $12,000–$30,000 |
| Long span or steel beam with heavy loads | $20,000–$40,000+ |
| Relocating plumbing, electrical or ductwork in the wall | $500–$5,000+ |
Timelines vary widely, but a typical sequence is design and permit first, then a site phase of several days to a few weeks, then inspections and finishing. See the full structural repair cost guide, the permits guide, and if you want next steps for your house, send a request with photos of the wall and the basement below it.
FAQQuestions people ask
How much does it cost to remove a load-bearing wall?
Planning ranges for 2026 run from about $5,000–$12,000 for a simple bungalow wall with a dropped beam to $12,000–$30,000 or more for a flush beam under a second storey, plus engineering, before finishing work.
Do I need an engineer to remove a load-bearing wall?
Usually. Simple cases can sometimes be designed from code span tables, but walls carrying floors, roofs or point loads are normally engineered, and many municipalities ask for stamped drawings with the permit.
Do I need a permit to remove a load-bearing wall?
In most Canadian municipalities, yes. Calgary lists moving or removing walls on any floor as structural changes needing a building permit. Confirm with your municipality before starting.
What is the best beam for a load-bearing wall?
It depends on span, load and depth limits. LVL is common for moderate spans, glulam where it will be exposed, and steel for long spans, heavy loads or shallow flush beams. The engineer chooses and sizes it.
Can you replace a load-bearing wall with a beam and columns?
Yes. Intermediate posts shorten the beam span and can reduce beam size, as long as each post has a continuous load path to its own footing.
How long does it take to remove a load-bearing wall?
Design and permit can take weeks, depending on the municipality. The construction phase is often days to a few weeks, plus inspections and finishing.