
Custom Steel Building Suppliers in the South East and Across the UK
Pioneering Steel Building Construction in the UK
Ready to bring your custom steel building project to life? Carnegie Steel Buildings offers tailored solutions built to your exact specifications. Every structure is crafted with precision, quality and long-lasting durability.
We manage every step of the process to make your vision a reality. From steel building site surveys and architectural designs to council approvals, demolition and installation, we handle it all with care and expertise. Whether it’s an industrial, agricultural or commercial project, we turn your unique ideas into expertly crafted custom-made steel buildings.

Your Trusted Partner for Custom Steel Buildings
When it comes to your steel building project, you need a partner who understands your vision and delivers a solution tailored to your needs. At Carnegie Steel Buildings, we put you in control. Whether you’re expanding your business with a custom commercial space or need a durable industrial facility, our expertise turns your ideas into reality.
As leading custom steel building suppliers, we handle all legal and safety requirements, managing your project from start to finish with precision. Every project is led by a dedicated Project and Site Manager, keeping it on schedule, within budget and completed to the highest standards.
Custom-Made Steel Buildings
At Carnegie Steel Buildings, we understand that every project is unique. That’s why we create custom-made steel buildings to fit your exact needs. Whether you need extra-wide spaces, specialised features or room to expand in the future, we design your building to work for you. Our steel buildings are built to last, using quality materials that are strong, energy-efficient and low-maintenance. We focus on ensuring your space is practical, cost-effective and ready to support your business as it grows.


Commercial Steel Buildings
Our commercial and industrial steel buildings offer strength and flexibility. Whether you’re building a large industrial plant or a small business facility, we handle every step of the process with our turnkey services. Our steel structures are designed to provide lasting performance with minimal maintenance. We also offer commercial site clearance and landscaping solutions.
Bespoke Steel Buildings
Bring your vision to life with our custom steel building solutions. Steel’s unmatched flexibility and strength give you the freedom to create something truly unique. Whether your design is simple or complex, we’re here to make it happen. We’ll be by your side, guiding you through every step of the process.
You can provide your own architectural plans or collaborate with our expert design team for a fully integrated service. We handle everything – design, planning, approvals, manufacturing and installation – so your building is exactly what you need, down to the last detail.

Get a free estimate for your commercial or industrial Steel building construction project
Ready to get started on your custom steel building project? Our team is here to provide a tailored solution that fits your exact needs, from design to construction. Request your free estimate today and discover how we can deliver a durable, cost-effective building designed just for you.
Frequently Asked Questions
Yes, we offer complete turnkey solutions where we manage every phase of the project. You also have the option to select individual services like installation or design, depending on your needs. Our goal is to provide a flexible approach, ensuring your custom steel building is delivered on time and within budget. Contact us today for a free consultation.
Yes, we work across a range of industries, including commercial, industrial and agricultural sectors. Whether you need a custom steel building for business, farming or personal use, we can tailor a solution to meet your exact needs. Get in touch for a free, no-obligation consultation, and we’ll explore how we can create a steel building that perfectly fits your requirements.
We use both hot-rolled and cold-rolled steel in our custom steel frames. Hot-rolled steel is ideal for load-bearing parts of industrial steel buildings, while cold-rolled steel is typically used for non-load-bearing applications. Our team will determine the best materials based on your building’s requirements.
There are virtually no limits when it comes to the size or design of custom steel frame buildings. We can create everything from small storage units to large-scale industrial steel buildings. The size and layout are based on what best serves your needs and the purpose of the building.
We handle all aspects of regulatory compliance, from planning permissions to meeting building regulations. Our team ensures that your custom steel frame buildings comply with health, safety, fire safety and structural integrity standards. We stay up-to-date with local regulations and ensure that all necessary permits and approvals are in place before construction begins.