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West YorkshireStructural alterations and knock-throughs

Structural alterations and knock-throughs in Dewsbury

We take on structural alterations in Dewsbury, about 8 miles south-west of Leeds, handling the drawings, approvals and construction so you deal with one company throughout.

Guide price in Dewsbury

£4,250–£8,750 for a typical knock-through with steel beam

In Dewsbury, a structural alteration typically costs £4,250–£8,750 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 Dewsbury?

In Dewsbury, a structural alteration typically costs £4,250–£8,750 for a typical knock-through with steel beam, including VAT at 20% (standard rate). We start from a UK-wide guide and adjust it for Yorkshire and the Humber, where labour and materials are typically about 7% below average. Design, structural calculations and council fees are extra.

Guide prices for Dewsbury, including VAT at 20% (standard rate)
Size or typeGuide range
A typical knock-through with steel beam£4,250–£8,750
Higher specification£8,750–£11,000

The main things that change the cost:

  • Moving radiators, sockets and pipes
  • Span of the opening
  • Party wall involvement
  • What sits above the wall

For a figure based on your own measurements, try the guide price tool, then book a free home visit for a fixed quote.

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

Here is how the rules work for a structural alteration in England. In England removing a load-bearing wall does not need planning permission but does need building regulations approval with an engineer’s calculations. If the beam bears on a party wall, a party wall notice must be served.

Where work involves a shared wall, building on the boundary, or digging foundations within 3 metres of a neighbour’s building and deeper than its foundations (or within 6 metres for deeper work), the Party Wall etc. Act 1996 applies and notices must be served 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

The work we manage on a structural alteration:

  • Party wall notices where needed
  • Temporary propping
  • Steel beam supply and installation on padstones
  • Structural engineer’s calculations and drawings
  • Building control sign-off
  • Fire protection to the steel

How long does it take?

Build time is typically 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 Dewsbury

Yorkshire and the Humber has stone and brick terraces as well as inter-war and newer estates, so materials matching is an early design question.

Dewsbury sits in West Yorkshire, about 8 miles south-west of Leeds. We cover the whole of Dewsbury, including postcodes WF12.

How it works

  1. 01

    Visit and measured survey

    A free visit to understand the project, check access and take measurements.

  2. 02

    Drawings and written quote

    We prepare the design and give you a written, itemised quote with inclusions and exclusions.

  3. 03

    Permissions sorted

    Applications, building control and neighbour arrangements, all before the start date.

  4. 04

    Build and sign-off

    We run the build to a written programme and hand over the completion certificate.

Questions about structural alterations in Dewsbury

How long does a structural alteration take in Dewsbury?

Typically 1 to 2 weeks on site for a typical knock-through. Design and approvals beforehand usually take 6 to 12 weeks.

Do I need a party wall notice?

In England and Wales, if the beam sits in a party wall, yes.

Do I need building regulations approval?

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

How much does a structural alteration cost in Dewsbury?

In Dewsbury, a structural alteration typically costs £4,250–£8,750 for a typical knock-through with steel beam, including VAT at 20% (standard rate). Your fixed price depends on the survey and drawings.

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.

Get a free, no-obligation home visit for your structural alteration in Dewsbury.

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

Call 0800 088 6248Get a guide price