Steel BeamInstallers
Corroded old steel beam exposed for replacement, with props and a new beam on trestles

Steel beam replacement & repair · Grantham

Steel beam replacement & repair in Grantham

Steelwork, approvals and making good for steel beam replacement & repair in Grantham and nearby.

  • Survey, design and installation in one
  • Covering NG31, NG32
  • Inspected before it is covered

Free survey in Grantham

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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

What steel beam replacement & repair involves in Grantham

Steel beam replacement & repair in Grantham is planned around the house, not a standard kit. Our coverage runs across Lincolnshire, so nearby villages are included too. We visit, measure and check what the wall carries, then arrange calculations and building control approval before any steel is ordered.

We start with a survey visit, arrange an engineer's inspection, then carry out whatever repair the engineer specifies, from new bearings to strengthening or full replacement. We handle building control and the temporary propping, and you get an itemised written quote before anything starts.

Worth knowing before you start

  • A proper assessment means opening the boxing at the ends and along the span so the engineer can see the steel. In buildings from before 2000, old boxing can contain asbestos insulating board, so it is checked before anyone cuts into it.
  • Corrosion usually starts where water reaches the steel: under a leaking flat roof, behind a shopfront fascia, in a damp external wall or at a cellar ceiling. Light surface rust can often be cleaned and treated, while heavy loss of section changes the beam's strength.
  • Repairs are usually more contained than a new opening because the room layout stays the same. The main disruption is stripping the boxing, propping the floor above and the dust from cutting steel, with the ceiling and walls around the beam replastered afterwards.
  • Signs that a beam is struggling include diagonal cracks running up from its ends, a visible dip along its length, doors above that start binding, and rust staining through paint or plaster. Any one of these is worth an engineer's look.
  • Shop beams over old shopfronts are a common repair job. They often carry the whole front wall of the upper floors, sit behind fascias where rain gets in, and may have been cut or altered when shopfronts were replaced in the past.

How the job runs in Grantham

  1. Free visit

    A short visit to Grantham to see the job, agree what you want and check the bearings, floors and services that affect the design.

  2. Calculations

    The engineer's calculations and a simple drawing are prepared for your opening and shared with you before anything is ordered.

  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. Steel in, made good

    On site we prop, open up, fit and pack the steel, then fire protect, box in and plaster once the inspection is done.

How much should I budget in Grantham?

As a guide, budget £1,950–£5,400 including VAT for steel beam replacement in Grantham, based on published UK cost guides adjusted for prices in the East Midlands (-2%).

JobTypical guide rangeWhat it usually covers
Steel beam replacement£1,950–£5,400Propping, removing the failed beam, new steel on proper bearings, approval and making good
Fire protection to a steel beam£150–£590 per beamFire-rated board boxing or an intumescent coating system as specified
RSJ supply and fit (single beam)£780–£2,450 per beamBeam supplied, delivered, lifted and packed on padstones, with propping (calculations and approval priced separately)
Shop or commercial structural opening£4,900–£14,700Transfer beam and columns for opening units together or forming a shopfront opening

Figures include our approximate regional adjustment for prices in the East Midlands (-2%) and are rounded. How these figures are worked out.

Approvals in Grantham

Structural openings in English homes need building regulations approval before work starts. The local council's building control team can deal with it, or you can use a registered building control approver. Either way the steel is inspected before it is covered, and a completion certificate is issued at the end. Keep it safe for when you sell.

If the beam bears into a wall you share with a neighbour, the Party Wall etc. Act 1996 applies, and a party structure notice must be served at least two months before that work starts. We arrange this through a party wall surveyor.

Building rules in England

Steel beam replacement & repair near Grantham

Local questions answered

Do you cover Grantham for steel beam replacement & repair?

Yes. We carry out steel beam replacement & repair in Grantham and the NG31 and NG32 postcode districts. Book a free survey visit and we will check the wall, arrange the engineer's calculations and send an itemised written quote.

Can I stay at home while the work is done in Grantham?

Usually, yes. The work area is screened and floors are protected. The rooms either side of the opening are out of action for a few days, and there is some noise and dust while the masonry comes out.

How long does it take to replace a steel beam?

Anything from a day or two to around a week on site, depending on what the engineer specifies. Rebuilding a crushed bearing can be quick, while cutting out an old beam and fitting a new one in a typical room takes longer. Plastering and redecoration follow once building control has inspected the new steel.

Can an old shop beam be replaced while the flat above is occupied?

Often, yes, with careful planning. The front wall and floors above are propped from inside the shop, and sometimes from outside, before the old beam is cut out. Occupants can often stay in if the engineer is satisfied with the propping, though there will be noise for a few days. Where the flat is separately owned, access and consents need agreeing in advance.

Why has my steel beam sagged?

A beam usually sags because it is too small for the load, the load has increased since it was fitted, or its bearings have crushed or moved. Every beam bends slightly within design limits, but a visible dip or new cracking suggests something has changed. An engineer can measure it and identify the cause.

Do you also work near Grantham?

Yes. We also cover nearby towns including Newark on Trent, Melton Mowbray, Oakham and Stamford.

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.