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Steel beam & RSJ installation in St Helens

Need a steel beam or RSJ installed in St Helens? We supply and fit steel to your engineer's drawings — or fit steel you've ordered — for knock-throughs, extensions and lofts.

St Helens and its towns — Newton-le-Willows, Rainhill, Haydock and Billinge — are largely terraced and semi-detached housing where the spine wall between front and back rooms is the usual candidate for a knock-through.

We supply and install steel beams (usually called RSJs), columns and goalpost frames to the structural engineer's specification — for internal knock-throughs, rear extensions, bifold and sliding door openings, and loft conversions.

Recent steel beams work

Steel beam end bearing onto a numbered concrete padstone bedded into the brickwork
The detail that matters: beam bearing on its numbered padstone
Bolted end-plate connection between two steel beams, viewed between floor joists
Bolted end-plate connection — how steels join where one beam carries another
Steel beam set up within the floor zone with original joists one side and new extension joists the other
Old floor meets new — the beam up in the floor zone so the ceiling can run flush

What’s included

  • Universal beams (UB), universal columns (UC), channels (PFC) and flitch plates to specification
  • Goalpost and box frames for large rear openings
  • Bolted connections, end plates and cleats
  • Padstones and pad foundations where specified
  • Beams in bolted sections where access is tight (if the design allows)
  • Supply-and-fit for homeowners, fit-only for builders

St Helens work is inspected by St Helens Borough Council building control, or a registered approver.

Steel beam & RSJ installation in St Helens: your questions answered

Do you cover St Helens?

Yes — St Helens and the surrounding area are part of our regular patch. St Helens work is inspected by St Helens Borough Council building control, or a registered approver.

Do you supply the steel as well as fitting it?

Yes. We can supply and fit, or fit steel that you or your builder have ordered, provided it matches the engineer's specification.

How do you get a long steel beam into a house?

Usually through a door, window or rear opening. For tight access the engineer can specify a beam made in sections and bolted together in place.

What is a goalpost frame?

Two steel columns and a beam forming a frame. It is used where a wall is removed down to the floor — such as a wide opening into a rear extension — so the load goes straight down to the foundations.

How long does a steel beam installation take?

A single beam in an internal wall is typically installed in a day or two. Goalpost frames and multi-beam jobs take two to four days, plus making good.

More structural work in St Helens

Wall Removal in St Helens

Open up kitchens, dining rooms and living spaces safely, with the wall's load carried by a correctly designed steel beam.

Structural Brickwork in St Helens

Shop fronts, brick facade rebuilds, wall tie replacement, subsidence repairs and repointing — with bricks and mortar matched to the original.

Steel Beams nearby

We also cover steel beams in Liverpool, steel beams in Warrington, steel beams in Wigan, steel beams in Widnes. See the full steel beam & rsj installation service or all work in St Helens.

Steel Beams in St Helens?

Send photos or your engineer's drawings for a same-day budget price, or book a free survey in St Helens.

Get a free surveyCall 0161 706 3593