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

Steel beam replacement & repair · Midlothian

Steel beam replacement & repair in Midlothian

Survey, engineer's design and installation of steel beam replacement & repair anywhere in Midlothian.

  • Price fixed in writing once scope is agreed
  • Building warrant arranged
  • Temporary works and making good included

Free survey in Midlothian

Tell us about your steel beam replacement & repair project in Midlothian.

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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 Midlothian

Steel beam replacement and repair means dealing with an existing beam that is corroded, sagging, undersized or poorly supported. A structural engineer inspects it and decides whether it can be repaired, strengthened with welded or bolted plates, given new bearings, or must be taken out and replaced, with the structure propped throughout.

From the first survey visit to the completion certificate, we take care of steel beam replacement & repair across Midlothian. We can survey in places such as Bonnyrigg and Penicuik and the villages around them. The engineer sizes the steel, we deal with Midlothian Council, and our team fits and packs the beam before making good.

Key points for your project

  • A repair only lasts if the cause is dealt with too. A leaking roof, blocked gutter or bridged damp-proof course that rusted the beam needs fixing first, otherwise new protective coatings will break down in the same way.
  • Whether to strengthen or replace is the engineer's decision. Plating, where steel plates are fixed to the flanges, can add capacity without removing the beam, but it is not suitable for every section, connection or level of damage.
  • Missing paperwork for an old beam often surfaces when a house is being sold and the buyer's surveyor asks for calculations. An engineer's inspection, any remedial work and a regularisation or completion certificate together answer those questions.
  • 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.
  • Replacing a beam that is already carrying load is more delicate than fitting a new one. Props go in on both sides before anything is cut, with spreaders above and below, and the old steel is often cut into sections to lift it out safely.

How the job runs in Midlothian

  1. Free visit

    A short visit to Midlothian 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 warrant

    A building warrant is applied for from Midlothian Council, and work starts only once the warrant has been granted.

  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.

Guide prices for steel beam replacement & repair in Midlothian

As a guide, budget £1,800–£5,000 including VAT for steel beam replacement in Midlothian, based on published UK cost guides adjusted for prices in Scotland (-9%).

JobTypical guide rangeWhat it usually covers
Steel beam replacement£1,800–£5,000Propping, removing the failed beam, new steel on proper bearings, approval and making good
RSJ supply and fit (single beam)£730–£2,280 per beamBeam supplied, delivered, lifted and packed on padstones, with propping (calculations and approval priced separately)
Building warrant fee£215–£435Statutory fee set by the estimated value of the work: £215 up to £5,000, rising on a sliding scale (fees from 1 April 2026)
Shop or commercial structural opening£4,550–£13,650Transfer beam and columns for opening units together or forming a shopfront opening

Figures include our approximate regional adjustment for prices in Scotland (-9%) and are rounded. How these figures are worked out.

Building control and neighbours in Midlothian

Steel beam work in Midlothian needs a building warrant from Midlothian Council. The structural design is part of the application, and the council's building standards team accepts the completion certificate once the work is done as approved.

There is no party wall notice system in Scotland. Instead, check your title deeds and, for flats, the tenement management scheme, and talk to neighbours early if the beam bears into a shared wall.

Building rules in Scotland

Steel beam replacement & repair by town

Steel beam replacement & repair in Midlothian: your questions

Who approves steel beam replacement & repair in Midlothian?

Structural work in Midlothian needs a building warrant from Midlothian Council, granted before work starts. We prepare and submit it with the structural engineer's calculations and arrange the inspections, so the completion paperwork follows the job.

Which towns in Midlothian do you cover?

We cover towns including Bonnyrigg and Penicuik, plus the villages and smaller towns around them.

Is it cheaper to repair or replace a steel beam?

Repair is often less disruptive and can cost less, but only when the engineer confirms it will do the job. Heavily corroded or badly undersized beams may need replacing anyway, and plating in awkward positions is not always cheaper. We price the option the engineer specifies in an itemised written quote.

Can you replace a steel beam without taking the ceiling down?

Usually only part of the ceiling needs to come down. The boxing and a strip of ceiling either side of the beam are removed so props can go in and the old steel can come out. The rest of the room is protected, and the disturbed area is replastered to blend with the existing finish.

Can a rusty steel beam be repaired?

Often, yes. Surface rust can usually be cleaned back to sound steel and treated with a protective coating. Where corrosion has eaten into the flanges or web, the engineer works out the remaining strength and decides whether plating will restore it or the beam needs replacing. The source of the moisture must be fixed as well.

What does it mean to plate a steel beam?

Plating means fixing extra steel plates to the beam, usually along the flanges, to increase its strength or stiffness without taking it out. The plates are bolted or welded according to the engineer's design. It suits some beams well, but not all, and the engineer checks the connections and bearings before specifying it.

What happens at the survey visit in Midlothian?

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.

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.