Load-Bearing Wall

A wall that supports the structural weight of the building above it — such as upper floors, the roof, or other walls — and cannot be removed without alternative structural support.

A load-bearing wall (also called a structural wall) is a wall that carries the weight of the building above it — the roof, upper floors, or other structural elements — down to the foundations. Unlike a simple partition wall, which only supports its own weight, removing a load-bearing wall without proper structural support can cause serious damage to your property.

How to identify a load-bearing wall

While a structural engineer is the only person who can confirm whether a wall is load-bearing, some general indicators include:

  • Walls that run perpendicular to floor joists — if the joists above rest on or cross over the wall, it’s likely load-bearing
  • External walls — almost always load-bearing
  • Walls directly above or below other walls — if there’s a wall in the same position on the floor above, both are likely structural
  • Thick walls — load-bearing walls are often (but not always) thicker than partition walls
  • Central walls running the length of the property — commonly load-bearing in traditional construction

Never assume a wall is non-structural without professional confirmation. Some partition walls in older properties have become load-bearing over time as the building settles.

Can you remove a load-bearing wall?

Yes — but it requires:

  1. A structural engineer’s assessment to confirm the wall is load-bearing and calculate what support is needed
  2. An RSJ or steel beam specified by the engineer to carry the load
  3. Building regulations approval — this type of work always requires formal sign-off
  4. A qualified contractor to carry out the work safely with proper temporary support

Why this matters for your renovation

Removing internal walls to create open-plan spaces is one of the most popular renovation projects. If the wall you want to remove is load-bearing, it doesn’t mean you can’t do it — it means you need the right professional input and proper building control approval. The cost of a structural engineer’s report is modest compared to the risk of getting it wrong.

Always raise the question of load-bearing walls early in your planning, as it affects budget, timeline, and the need for structural calculations.