Steel BeamInstallers
Rear extension under construction with a steel beam over the opening into the house

London · England

Steel beam installers in Hanworth

RSJs and steel beams for homes and businesses in Hanworth, with calculations, approvals, propping and making good.

  • Survey, design and installation in one
  • Covering TW1, TW2, TW3
  • Inspected before it is covered

Free survey in Hanworth

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  • Free survey visit
  • Engineer's calculations arranged
  • Building control handled
  • Fixed written price once scope is agreed
  • England, Wales, mainland Scotland & NI

Steel beam work in Hanworth

Steel beam work in Hanworth covers everything from widening a doorway to opening the whole rear wall. The wider London area is covered as well. We survey, arrange the engineer's calculations and local building control, then fit and make good.

Approval in Hanworth is through council building control or a registered building control approver, and party wall notices apply where steel bears into a shared wall.

How the job runs in Hanworth

  1. Survey in Hanworth

    We visit, look at the wall and what sits above it, measure the opening and note services, access and how the steel can be brought in.

  2. Engineer's design

    A structural engineer sizes the beam, padstones and any posts, and sets out the temporary support needed while the wall is out.

  3. Building control

    We submit a building notice or full plans application to the local council's building control team, so approval is in place before the wall is touched.

  4. Install and sign-off

    Props go in, the opening is formed, the steel is set and packed, building control inspects it, and we make good.

Guide prices in Hanworth

As a guide, budget £2,550–£6,400 including VAT for load-bearing wall removal with steel beam in Hanworth, based on published UK cost guides adjusted for London prices (+28%).

JobTypical guide rangeWhat it usually covers
Load-bearing wall removal with steel beam£2,550–£6,400Typical internal wall up to about 4 m: calculations, building control, propping, steel, padstones, fitting, fire protection and making good
Chimney breast removal (ground floor)£1,900–£3,850Ground-floor breast removed, steel to support the breast above, building control and making good
Rear wall opening for bi-fold or sliding doors£3,200–£8,950External wall opened up to about 5 m with steel, propping, cavity tray and making good (doors supplied separately)
Loft conversion steels£3,200–£7,700Supply and fit of floor and ridge steels on padstones, including lifting into the roof space
Structural calculations for a beam£320–£960Site measure or photos, beam and padstone design and calculations for building control

Figures include our approximate regional adjustment for London prices (+28%) and are rounded. How these figures are worked out.

Building rules in Hanworth

In England, taking out a load-bearing wall or putting in a beam is building work under the Building Regulations 2010. It needs approval from building control, either the local council's building control team or a registered building control approver, through a full plans application or a building notice. Part A covers the structure and Part B covers fire safety, which is why steel in homes is usually fire protected.

Terraced and semi-detached homes often need party wall notices, because cutting into a shared wall to take a beam end is notifiable under the Party Wall etc. Act 1996. Allow at least two months for the notice period unless your neighbour agrees sooner.

Building rules in England

Near Hanworth

Steel beams in Hanworth: questions

Do you also work near Hanworth?

Yes. We also cover nearby towns including Hampton, Feltham, Sunbury-on-Thames and Hounslow.

What happens at the survey visit in Hanworth?

We look at the wall, the floor and ceiling either side and what sits above, measure the opening you want, and note cables, pipes and access for the steel. It usually takes under an hour and there is no charge.

How much does steel beam installation cost in Hanworth?

As a guide, budget £2,550–£6,400 including VAT for load-bearing wall removal with steel beam in Hanworth, based on published UK cost guides adjusted for London prices (+28%). The exact figure depends on the span, what the wall carries, access and the finish, and is fixed in writing once the scope is agreed.

Do I need a party wall agreement for steel beam installation in Hanworth?

Yes, if the beam bears into a shared wall: the Party Wall etc. Act 1996 applies in England and Wales, and a party structure notice must be served at least two months before that work starts. We arrange it through a party wall surveyor.

Can you work on older or listed homes in Hanworth?

Yes. Older homes often have lime mortar, timber lintels or shallow footings, which the engineer allows for. Listed buildings need listed building consent for internal structural changes as well as building regulations approval, and that must be in place first.

More in London

Planning to take a wall out?

Book a free survey visit. You get an itemised written quote covering calculations, building control, steel and making good.