Steels

Structural Steel Installation Done Right

At Castle Construction, we supply and install structural steels with precision, care, and full compliance. Whether you’re opening up a space, supporting a new extension, or working on a commercial development, our experienced team ensures every beam is fitted safely and securely — with minimal disruption and maximum reliability.

Our Process

We begin with a detailed site visit to measure, assess, and plan the installation safely. Working closely with your engineer’s drawings and calculations, we order or fabricate the steels to specification, handle delivery, and carry out installation on-site.

We prepare all padstones and openings before fitting and ensure all work is inspected and signed off by building control. Our team maintains high standards of safety, accuracy, and site cleanliness throughout the process.

Types of Steel Installations

We fit a wide range of steel components including:

  • RSJs for load-bearing walls

  • Goalpost frames and box frames

  • Lintels for windows and doors

  • Steel beams for floor or roof support

  • Cantilever steels and corner openings

If you’re unsure what you need, we’ll guide you through the options, liaise with your structural engineer, and make sure the right steels are used for the job.

Why Structural Steels Matter

Steelwork is a critical part of any major construction or renovation project. Poorly fitted beams can lead to serious safety risks, delays, and failures. At Castle Construction, we understand what’s at stake.

Our team is trained in best practices for steel installation, ensuring every unit is fitted to the millimetre and properly supported. We take the stress out of the process by handling logistics, lifting, placement, and inspection in one smooth operation.

What we do

We provide a complete steel installation service for residential and commercial clients across the Home Counties. Our work includes:

  • Supply and installation of RSJs, lintels, and steel beams

  • Steel support for extensions and knock-throughs

  • Padstone and bearing prep

  • Bolted connections and on-site welding (if required)

  • Coordination with architects, engineers, and building control

From small domestic projects to large-scale structural builds, we get the job done right the first time.

Why Choose Castle Construction?

  • Experienced steel installers
  • Fully qualified tradespeople
  • Collaboration with engineers and architects
  • Safe, clean, and compliant installations
  • Public liability cover up to £5 million
  • Trusted by homeowners and contractors across the Home Counties

    Get a Free Quote for Steel Installation

    If your project needs structural steelwork, speak to Castle Construction today. We offer expert advice, clear pricing, and fast, safe installations you can rely on.

    REVIEWS

    "Brilliant from start to finish!"
    “We had Castle Construction build a rear extension and couldn't be happier with the results. The team were professional, tidy, and always kept us updated. The quality of the brickwork and finish is top-notch — it blends perfectly with our existing house. Highly recommend them if you want a job done properly.”
    Rachel M., Hertford

    "Reliable and skilled — they know what they’re doing."
    “Castle Construction carried out all the groundwork and steel installation on our new build. They were on time, well-organised, and worked really well with our architect. The crew were polite and kept the site tidy throughout. We’ll be using them again on the next phase of our development.”
    James T., Oxfordshire
    "Excellent job on our garden patio."
    “The team designed and installed a new patio in our garden and it’s completely transformed the space. Everything from the layout advice to the final cleanup was handled with care. The attention to detail was spot on, and they delivered exactly what we were hoping for.”
    Sophie L., London

    CONTACT US

    07929 291937
    info@castleconstruction.ltd

    SERVICE AREAS

    Castle Construction proudly serves clients throughout the Home Counties and surrounding regions, including London, Hertford, and Oxfordshire. If you're located nearby and need a trusted team for your project — we’d be happy to help.

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