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One fixed price for the whole job — not the hours

Wall Knock-Through & Steel Beam Fair Price

Typical trade: builder. Move the sliders and answer the questions.

Describe the job or snap a photo — AI fills in the sizes

Is the wall load-bearing?
Plaster & decorate finish?
Skip needed?

Fair fixed price for the whole job

£4,343

Fair range: £3,821 – £5,124

3.5 m opening

Realistic time on site

4.5 days

Crew / total hours

2 · 67.0 h

Labour (67.0 h × £40)
£2,680
Materials
£533
Structural engineer calcs
£450
Building control
£400
Waste removal / skip
£280

Over £6,405? Ask why in writing.

  • No structural calcs or building control
  • No acrows / temporary propping
  • Steel not fire-protected (board or paint)

Insist on

  • One written fixed price for the full scope — no open-ended hours.
  • Deposit of 10–20% at most; balance after you inspect the work.
  • Any extra work agreed and priced in writing before it starts.
  • A standard 3–4 m steel is usually 3–5 days including making good.

Estimate for an experienced, insured tradesperson. Local prices vary — adjust the hourly rate for your area.

Calcurly.com area calculator showing dimensions, result, and cost breakdown

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About this calculator

Removing a load-bearing wall: propping, steel beam, padstones, making good and sign-off. Answer a few questions, move the sliders, and get a brutally realistic time on site plus one fixed price for the whole job — so you can insist on a total rather than open-ended hours. Tradespeople can use it to quote fairly.

Frequently asked questions

How long should this job really take?
The calculator shows realistic on-site hours for an experienced, insured tradesperson working at a normal pace. Quotes far above the upper range deserve a written explanation.
Should I pay by the hour or a fixed price?
Agree a fixed written price for a clearly defined scope. Pay a small deposit (10–20% at most), staged payments on larger jobs, and the balance only after you have inspected the finished work.
What does the Wall Knock-Through & Steel Beam Fair Price do?
Removing a load-bearing wall: propping, steel beam, padstones, making good and sign-off. Removing a load-bearing wall: propping, steel beam, padstones, making good and sign-off. Answer a few questions, move the sliders, and get a brutally realistic time on site plus one fixed price for the whole job — so you can insist on a total rather than open-ended hours. Tradespeople can use it to quote fairly.
Is the Wall Knock-Through & Steel Beam Fair Price free to use?
Yes. Every calculator on Calcurly.com is free, works in your browser without sign-up, and can be embedded on your own website.
How accurate is the Wall Knock-Through & Steel Beam Fair Price?
Results are calculated in real time using industry-standard formulas. Treat the output as a well-informed estimate — always cross-check with local regulations, product datasheets, or a qualified fair price home jobs professional before committing to a purchase or a job.
Can I embed the Wall Knock-Through & Steel Beam Fair Price on my own website?
Yes — copy the iframe snippet at the bottom of this page, or use the Embed Generator to customise the size. The embedded version stays in sync with the live calculator on Calcurly.com.
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