STRUCTURAL STEEL FABRICATION & INSTALLATION
labc compliant structural calculations & reports
Precision steelwork for complex construction projects.
Structural steel plays a critical role in modern building, supporting openings, extensions, balconies, glazing systems and load-bearing structures where strength, accuracy and compliance matter. Poorly designed or poorly fabricated steelwork can cause delays, fitting issues and long-term structural concerns.
360 GSS provides bespoke structural steel fabrication, supply and installation for homeowners, architects, builders, developers and main contractors. Every steel element is manufactured around the exact project requirements, ensuring accurate fitment, reliable performance and a professional finish on site.
From residential extensions and renovation works to balcony support systems, frames and architectural steelwork, our team supports projects that require practical steel expertise and careful installation.
Expert Fabrication
Built for Strength
Supplied & Installed
Steelwork Options & Specifications
All structural steelwork is fabricated to suit the design, loading and installation requirements of the project:
- Bespoke steel beams, posts and support frames
- Structural steelwork for extensions, openings and refurbishments
- Steel support systems for balconies, balustrades and glazing installations
- In-house steel fabrication for improved quality control and faster turnaround
- Galvanised, primed or powder-coated finishes available where required
- Fabrication to suit project drawings, structural calculations and site conditions
- Careful installation planned to reduce disruption on site
Every system is fabricated, supplied and installed by experienced specialists, with fast lead times and awareness of relevant Building Regulations, LABC guidance and British Standards where applicable.
our process
STEP 1
Request a Quote
Share your drawings, measurements or project details so our team can assess the steelwork required.
site survey & measure
We will arrange to visit the site to confirm measurements, access, fixing requirements and installation conditions before fabrication begins.
DEPOSIT, Design & Engineering
Once approved, a 50% deposit secures your order and allows final design checks, fabrication details and engineering requirements to be confirmed.
Manufacturing of the Steelwork
Your steel components are fabricated in-house to suit the exact project specification, helping improve quality control and fitment accuracy.
Install & completion
Installation is completed by experienced professionals with careful attention to structural integrity, alignment, safety and finish quality.
Engineered for Long-Term Performance
Structural steel must do more than fit the opening. It needs to support the building correctly, integrate with surrounding materials and perform reliably over time.
Our bespoke steelwork is designed to:
- Provide dependable structural support for building and glazing projects
- Meet the requirements of residential and commercial construction
- Integrate cleanly with brickwork, timber, concrete, glass and aluminium systems
- Support balconies, openings, extensions and architectural features
- Reduce site issues through accurate fabrication and careful installation
- Deliver long-term durability with the correct finish specification
With countless LABC approved installations completed across London, Buckinghamshire, Berkshire, Oxfordshire, Hertfordshire and Surrey, 360 GSS is trusted by homeowners, architects, developers, builders and main contractors.
Why choose 360 gss?
HUNDREDS OF INSTALLS
SPECIALIST INSTALLERS
UK MANUFACTURED
ALL WORK GUARANTEED*
FAST LEAD TIMES
FULL DESIGN SUPPORT
FREQUENTLY ASKED QUESTIONS
If you cannot find the answer to your structural steel questions below, our team is happy to help – call us on 01494 971 694 or email info@360gss.co.uk for expert advice.
Ready to get in touch?
If your project requires bespoke structural steel fabrication, 360 GSS can help with accurate manufacture, professional installation and practical technical support.
We provide structural steel fabrication, supply and installation across London and the Home Counties, with wider UK coverage for suitable projects.
What structural steelwork do you fabricate?
We fabricate bespoke steel beams, posts, frames and support systems for extensions, openings, balconies, balustrades, glazing systems and construction projects.
Do you install the steelwork as well as fabricate it?
Yes. 360 GSS can fabricate, supply and install structural steelwork, helping keep the process accurate and efficient from start to finish.
Do I need structural calculations?
Many structural steel projects require structural calculations. We can provide our own calculations and comprehensive technical reports, or work alongside existing engineer specifications where required.
Can you fabricate steel for balconies and balustrades?
Yes. We regularly fabricate steel support systems for balcony, balustrade and architectural glazing projects.
What finishes are available?
Steelwork can be supplied primed, galvanised, powder-coated or finished to suit the project requirements.
How much does structural steel fabrication cost?
Cost depends on the size, specification, finish, access requirements and installation complexity. We provide clear quotations based on your exact project details.