How do I know if a wall is load-bearing?
Load-bearing walls typically run perpendicular to floor joists and are thicker (225mm+ for brick). A structural engineer can confirm for £200–£400 and is essential before any removal.
How Much Does Removing a Wall Cost in 2026?
Knocking through a wall to create open-plan living is one of the most popular UK home improvements. A non-load-bearing wall is a straightforward job, while removing a load-bearing wall requires a steel beam (RSJ) and structural calculations.
Typical UK range:£500 – £5,000
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Non-Load-Bearing£500 – £1,000
Remove a stud or block partition wall. No structural support needed.
Load-Bearing (Partial)£1,500 – £3,000
Remove part of a load-bearing wall with RSJ (steel beam). Create a wide opening.
Load-Bearing (Full)£3,000 – £5,000+
Remove an entire load-bearing wall with large RSJ, padstones, and structural calculations.
Factors That Affect the Cost
- Whether the wall is load-bearing
- Wall length and opening width
- RSJ size and installation
- Structural engineer fees
- Making good (plastering, flooring, electrics)
Regional Price Variations
Structural work costs 15–20% more in London. Structural engineer fees are £300–£600 for calculations regardless of region.
Frequently Asked Questions
Do I need building regulations?
Yes for load-bearing wall removal. You need structural engineer calculations and a Building Control inspection of the RSJ installation. Non-load-bearing walls usually don't need approval.
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