Are interior walls ever load-bearing?

Author: Akeem Mosciski MD  |  Last update: Saturday, March 21, 2026

Unlike exterior walls, not all internal walls are load bearing. If you're unsure how to tell if an interior wall is load bearing you can also use the tips in our 'how to tell if a wall is load bearing' section.

Can an interior wall be load-bearing?

These walls are typically made of reinforced concrete, masonry, or wood, and they are strategically placed throughout a house or building to support the weight of the structure. Load-bearing walls are often the exterior walls of a house, but they can also be the interior walls as well.

How can I tell if my interior wall is load-bearing?

Just climb up into the ceiling and look at that section of top plate. If there are any vertical (or nearly vertical but not horizontal) timbers that are on top of that section of wall, then it is load bearing.

Are all interior walls non load-bearing?

You should always assume that a wall that interfaces directly with a sturdy concrete foundation is load-bearing and therefore not to be touched. While you're in the basement, look for the first floor joists. The walls that run parallel to those joists are non-load-bearing walls.

How do you know if you can remove an internal wall?

Comments Section First step is to confirm the wall is not structural. Easiest way is to pull up the flooring above. If the floor boards are running perpendicular to the wall in question, then the wall is likely non-structural. Also check to confirm there is no wall directly above.

Removing a Load Bearing Wall. Everything You Need To Know!

Do I need a structural engineer to remove an internal wall?

Furthermore, if any modifications do not comply with local building regulations, you may face unpleasant consequences further down the line and not be able to sell the property. In summary, if you're planning on knocking down an internal wall, it's not just recommended, but essential, to involve a structural engineer.

Can you remove an interior load-bearing wall?

Removing a load-bearing wall can be a transformative decision for your home, offering numerous benefits that go beyond just aesthetics. One of the primary reasons homeowners opt for this change is to create a more open-plan living area.

Is it possible to have no load-bearing walls?

When envisioning a house, one might assume that it consists of several rooms divided by interior walls, all of which contribute to the structural stability of the building. However, this is not always the case. It is possible for a home to have no interior load-bearing walls at all.

How much does it cost to remove a load-bearing wall?

The average cost to remove a load-bearing wall is $5,700 , but most homeowners pay between $1,400 and $10,000 depending on the scope of project.

Do all houses have internal load-bearing walls?

Unlike exterior walls, not all internal walls are load bearing. If you're unsure how to tell if an interior wall is load bearing you can also use the tips in our 'how to tell if a wall is load bearing' section.

Can a load-bearing wall have a door in it?

It is worth remembering that most load-bearing walls already have a traditional hinged door installed in them, so it is possible to create an opening and install a door in a load-bearing wall. In most cases a 'header' will be installed above the door.

How do you tell the difference between a load-bearing wall and a normal wall?

Load-bearing walls are made out of resistant materials, such as stone, steel, concrete, or brick. These materials make it possible to bear large loads without any deformations. Load-bearing walls act to support the building. They differ from other types of walls whose function is to separate spaces.

How wide can an opening be on a load-bearing wall?

It can be as wide as you want, but there must be a horizontal overhead member (a beam or header in other words) strong enough to accept the overhead load on the wall section that was removed to make the opening.

How to tell if an interior wall is load-bearing?

Walls that run perpendicular to the joists are load-bearing walls. Walls that are parallel to the joists rarely are, but sometimes a bearing wall will be aligned directly under a single joist. If purlin bracing is attached to the top of a wall or is supported by a wall, it's a load-bearing wall.

Will a house collapse if a load-bearing wall is removed?

Most homeowners are afraid that if they remove a load-bearing wall, the house will collapse. While this could be a possibility in certain situations, it's unlikely.

Is a cinder block wall load-bearing?

The load-bearing capacity of cinder blocks varies based on their density, with denser blocks capable of withstanding around 2600 PSI of force. Higher-density materials contribute to increased load-bearing capacity, while ultra-cinder blocks can averagely withstand 500 to 1000 PSI.

Is it illegal to remove a load-bearing wall?

The short answer is, yes. In most homes, you can remove any portion of a load-bearing wall. However, this depends on what's inside the wall and how you intend to redistribute the weight.

How much does it cost to check a load-bearing wall?

How much a structural engineer costs depends on how extensive the assessment work and calculations are. The structural engineer's costs for non-load-bearing walls are at least £250 – £550 lower than those for load-bearing walls, which range from £500 – £2,000 per m2.

Do I need an engineer to remove a load-bearing wall?

But trying to remove a load-bearing wall – without proper assessment and planning can have serious consequences, such as damage, collapse, or injury. That's why it's important to consult a structural engineer before you make any major changes to your home, office, or other spaces.

Can interior walls be load bearing?

Check the foundation — If a wall or beam is directly connected to the foundation of your house, it is a load-bearing wall. This is particularly true for homes with additions, since walls that are interior now may have originally been exterior walls. Checking your home's original blueprint can help with this.

What is the alternative to a load-bearing wall?

Yes, there are alternatives to load bearing walls for structural support, such as the use of columns, beams, and trusses. These elements can distribute the weight of the building while allowing for more open interior spaces.

Do 1 story homes have load-bearing walls?

Yes, assuming you have a complete construction set of plans including roof framing and joist layout, ceiling joists will rest on load-bearing walls in a one-story and floor joists of the second floor will rest on load-bearing walls in a two-story house.

Is it worth removing a load-bearing wall?

Structural Implications: Removing a load-bearing wall without proper support can compromise the structural integrity of your home. This can lead to sagging floors, cracks in walls, and other costly issues. Cost: Load-bearing wall removal is not a budget-friendly renovation if you're undertaking this as a DIY project.

Do you need planning permission to remove a load-bearing internal wall?

To remove one load-bearing wall, planning permission isn't usually required. However, if you're carrying out other building work, contact your local planning authority to discuss your plans. They will be able to let you know whether you need to apply for planning permission before you proceed.

Are internal stud walls load-bearing?

A stud or partition wall, built with either plasterboard, or lath and plaster, is rarely constructed as a load-bearing structure. There are however exceptions to this – a stud wall may still help strengthen the structure of a building even though it may not technically be load-bearing (particularly in older homes).

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