Extensions & Conversions · Updated 2026
Wall removal cost
Typical range£800–£10,000· Average load-bearing wall removal with RSJ
Knocking down internal walls — load-bearing and non-load-bearing costs 2025. In the UK, expect to pay between £800 and £10,000, with the typical project around £3,500 (average load-bearing wall removal with rsj). Regional variation, specification tier and site access conditions all shift the final quote.
Quick answer: Wall removal cost in the UK typically costs between £800 and £10,000 (Average load-bearing wall removal with RSJ). London and the South East run 20–35% above this range; the North, Wales and most of Scotland sit 5–15% below.
Homeowners researching this typically also price up plastering cost. For wider context, browse our bathroom pricing, kitchen pricing and boiler & heating costs.
Cost table
Indicative price ranges (UK, GBP)
| Item | Typical range (GBP) |
|---|---|
Non-load-bearing stud wall removal — No structural support needed | £800–£1,500 |
Non-load-bearing brick wall removal — Internal block or brick partition | £1,200–£2,500 |
Load-bearing wall (single storey) — RSJ steel beam, propping, plaster | £3,000–£6,000 |
Load-bearing wall (two storey) — Larger beam, more complex propping | £5,000–£10,000 |
Labour costs
Labour typically accounts for 65% of the total project cost in the UK.
Labour line items
| Item | Typical range (GBP) |
|---|---|
Structural engineer spec | £500–£1,200 |
Builder (propping & demolition) | £600–£2,000 |
RSJ installation | £500–£1,500 |
Plasterer (making good) | £400–£1,200 |
Building control inspection | £150–£400 |
Materials costs
Materials and fittings make up the remainder of the budget, with specification tier driving most of the variation.
Materials & fittings
| Item | Typical range (GBP) |
|---|---|
RSJ steel beam (per metre) | £80–£200/m |
Padstones | £0–£0 |
Acrow props (hire) | £20–£50/weekeach |
Plasterboard for ceiling/walls | £8–£14/sheet |
Factors affecting cost in the UK
- ·Region — London and the South East run 15–30% above national averages.
- ·Specification tier — premium materials and finishes can double the base cost.
- ·Access and site conditions — flats, restricted parking and listed buildings add time.
- ·Scope changes mid-project — late design decisions are the biggest cost overrun driver.
- ·Trade availability — quotes rise 10–20% in peak spring and summer months.
Ways to reduce cost
- ·Confirm whether the wall is load-bearing before pricing — non-load-bearing is 50% cheaper.
- ·Use a structural engineer for calcs and a separate builder for the works.
- ·Combine wall removal with a planned kitchen or living-room refit to share labour.
- ·Choose a flush steel beam only where headroom matters; a downstand is cheaper.
- ·Get three quotes from builders with steel-beam experience, not a general handyman.
Frequently asked questions
- How do I know if a wall is load-bearing?
- A structural engineer can determine this definitively. Indicators include: the wall runs perpendicular to floor joists, it sits on a solid foundation, it is in the centre of the house, or it has walls directly above it. Never assume a wall is non-load-bearing without professional confirmation.
- Do I need building regulations approval to remove a wall?
- Yes — removing a load-bearing wall requires building regulations approval and structural engineer sign-off. Non-load-bearing walls don't require building regulations but may still require planning permission in certain circumstances.
- How long does wall removal take?
- A non-load-bearing stud wall can be removed in half a day. A load-bearing wall project typically takes 3–5 days including propping, demolition, beam installation, and making good, plus drying time.