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The LothiansStructural alterations and knock-throughs

Structural alterations and knock-throughs in Broxburn

Thinking about a structural alteration in Broxburn? We can take it from first ideas to finished, signed-off work, with a written programme before work starts.

Guide price in Broxburn

£4,250–£9,250 for a typical knock-through with steel beam

In Broxburn, a structural alteration typically costs £4,250–£9,250 for a typical knock-through with steel beam, including VAT at 20% (standard rate).

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Tell us about your project. We reply to arrange a visit and a fixed quote.

Free home visit and measured survey
Fixed price for the agreed specification
Drawings, approvals and build in one contract
Building control sign-off arranged
England, Wales, Scotland and Northern Ireland

What is a structural alteration?

Steel beam installed across a wide opening with props in place during a knock-through

A structural alteration changes how a house carries its loads, most often by removing a load-bearing wall and replacing it with a steel beam. It is how kitchens and dining rooms become open-plan, and how extensions are joined to the original house.

How much does a structural alteration cost in Broxburn?

In Broxburn, a structural alteration typically costs £4,250–£9,250 for a typical knock-through with steel beam, including VAT at 20% (standard rate). Prices in Scotland sit near the national average for this kind of work, and the range for Broxburn reflects that. Design, structural calculations and council fees are extra.

Guide prices for Broxburn, including VAT at 20% (standard rate)
Size or typeGuide range
A typical knock-through with steel beam£4,250–£9,250
Higher specification£9,250–£11,500

The main things that change the cost:

  • Agreements with neighbours on shared walls
  • Moving radiators, sockets and pipes
  • What sits above the wall
  • Flush or downstand beam

Your exact price depends on the survey and drawings. The guide price tool gives a quick range in the meantime.

Do you need planning permission for a structural alteration in Broxburn?

Approvals for a structural alteration in Broxburn follow the rules for Scotland. In Scotland removing a load-bearing wall needs a building warrant before work starts.

Scotland has no Party Wall Act. Work on shared walls is governed by your title deeds, the Tenements (Scotland) Act 2004 for flats, and common law, so we agree arrangements with neighbours in writing before work starts.

If the answer is not clear-cut, we can apply for formal confirmation before you commit to the build.

What we handle

On a typical structural alteration we handle:

  • Building control application
  • Fire protection to the steel
  • Temporary propping
  • Making good, plastering and flooring repairs
  • Steel beam supply and installation on padstones
  • Building control sign-off

How long does it take?

Allow 1 to 2 weeks on site for a typical knock-through. Before that, surveys, drawings and approvals usually take 6 to 12 weeks, longer if the council asks for changes.

Building in Broxburn

In Scotland, bungalows and one-and-a-half-storey homes are common, so dormer conversions are a popular way to add bedrooms.

We work across Broxburn and neighbouring areas such as Livingston, Bathgate and Dunfermline. Postcodes we cover in Broxburn include EH52.

How it works

  1. 01

    Free visit

    We look at the property, talk through what you want and measure up. There is no charge and no obligation.

  2. 02

    Design and pricing

    Design options, then a fixed quote based on the chosen drawings and specification.

  3. 03

    Approvals in place

    We handle planning, building control and neighbour notices before work starts.

  4. 04

    Build and handover

    Work follows the agreed programme, with inspections along the way and a completion certificate at the end.

Questions about structural alterations in Broxburn

Do I need planning permission for a structural alteration in Broxburn?

In Scotland removing a load-bearing wall needs a building warrant before work starts.

How much does a structural alteration cost in Broxburn?

In Broxburn, a structural alteration typically costs £4,250–£9,250 for a typical knock-through with steel beam, including VAT at 20% (standard rate). Your fixed price depends on the survey and drawings.

Who approves a structural alteration in Broxburn?

Planning matters in Broxburn go to the council covering your address, and the work needs a building warrant. We prepare and submit the applications for you.

How long does a knock-through take?

Usually 1 to 2 weeks on site, plus a few days for plastering to dry.

How do I know if a wall is load-bearing?

Only a survey can confirm it. Walls that carry floor joists, roof loads or walls above are load-bearing. We check on site and the engineer confirms.

Do I need building regulations approval?

Yes. Removing a load-bearing wall is building work that needs approval, with calculations for the beam.

Ready to talk about a structural alteration in Broxburn? Book a free home visit or get an instant guide price.

Call 0800 088 6248 or get an instant guide price online.

Call 0800 088 6248Get a guide price