Wall removal cost
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.
Homeowners researching this typically also price up plastering cost. For wider context, browse our bathroom pricing, kitchen pricing and boiler & heating costs.
Cost table
| 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.
| 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.
| 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.
Sources & how we estimate
Prices are typical UK ranges compiled by ModernExpert.AI from published trade rates and supplier price lists, and are estimates — always get at least three written quotes. Rules on permissions, safety and certification come from the official sources below. Last reviewed 19 October 2026.
- Planning Portal — Extensions
- GOV.UK — Party Wall etc. Act 1996 explained
- GOV.UK — Building regulations approval
- Planning Portal — Do you need permission?
- ONS — Construction output price indices
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