01 / STRUCTURES
Frames, beams & Columns
Load-bearing steel components for buildings, extensions, canopies and commercial premises, matched to structural requirements.
More about steel buildings
Structural steelwork · Höxter & Surrounding area
Structural steelwork in Höxter. From plan to installation.
Planning a steel frame, platform or bespoke structure? We coordinate design, structural calculations, in-house steel fabrication and installation. Talk to us about your site and the requirements your structure needs to meet.
EN 1090-1FPC for steel structures up to EXC2
Design & structural calculationsclosely integrated with manufacturing
From a single sourceFrom site measurement to installation
Made-to-measure steelwork
Designed for strength. Built with precision.
A steel structure must carry loads safely, be cost-effective to manufacture and fit on site. We therefore bring planning, design, manufacture and installation together in a coordinated process.
Whether a building frame, work platform, walkway, extension or bespoke solution, we develop a structure suited to its use, existing surroundings and budget – for new builds, extensions and refurbishment alike.
Discuss a project
Our services
Steel structures for industry & commerce
From load-bearing components to complex bespoke structures, individually designed and manufactured for installation.
02 / INDUSTRY
Platforms & Walkways
Work platforms, maintenance platforms, walkways and substructures for safe access and improved operations.
Discuss your application
03 / BESPOKE FABRICATION
Bespoke structures
Precisely fitting solutions for special geometries, loading conditions and installation situations.
View examples
04 / EXISTING STRUCTURES
Refurbishment & Extension
Modifications, reinforcement and additions to existing steel structures.
Have your existing building assessed
05 / ACCESS
Staircases & Railings
Functional stair systems, escape stairs, railings and fall protection.
Explore staircasesClear project coordination
From site measurement to installation
A dedicated contact coordinates all stages, bringing technical decisions, schedules and interfaces together.
Consultation & Site measurement
Requirements, existing conditions, use and schedule are clarified on site or from your documents.
Design & structural calculations
We develop the structure, agree details and coordinate structural design.
Manufacturing
Laser cutting, sawing, bending and welding take place in-house with installation in mind.
Installation
After surface treatment and quality inspection, we professionally install the structure on site.
In practice
Steelwork that performs in use
Real manufacturing and installation projects, from load-bearing frames to solutions for existing buildings.
Verified quality
Safety begins with workmanship.
Load-bearing structures require traceable processes and qualified specialists. Our certifications document that planning, workshop manufacture and welding meet the required quality standards.
View certificates and documentationFactory production control · EXC2Certified factory production control for structural steel components and kits up to EXC2 in accordance with EN 1090-2.
3834-3Quality requirements for fusion welding.
contactDirect coordination from technical clarification to installation.
InstallationMany production stages carried out in-house.
Rooted in the region
Steelwork from Höxter for the region.
Close at hand in East Westphalia-Lippe
We undertake projects in Höxter, Holzminden, Paderborn, Detmold and throughout the Weser Uplands. We can be on site quickly for measurement, coordination and installation.
Also for industrial projects
We also work for commercial and industrial clients in the Göttingen and Kassel areas. Find precision parts and assemblies in our Subcontract manufacturing.
Frequently asked questions
Steel structures explained
Key answers about services, documentation, existing structures and installation.
What steel structures does NN manufacture?
We design and manufacture frames, working platforms, walkways, substructures, extensions and bespoke structures for industry, commerce and public-sector clients, among other applications.
Does NN also handle planning and structural calculations?
Yes. Design, verifiable planning documentation and structural calculations are coordinated to suit the project, keeping engineering, manufacture and installation closely aligned.
Which standards apply to the manufacture of steel structures?
Our factory production control is certified for structural steel components and kits up to EXC2 under EN 1090-2. Welding quality requirements are covered by DIN EN ISO 3834-3.
Can existing steel structures be extended or refurbished?
Yes. We assess existing structures and provide reinforcement, modifications, extensions, repairs and maintenance.
Does NN also provide on-site installation?
Yes. On request, we provide the complete service from site measurement and planning through manufacture and surface treatment to professional installation.
Where does NN undertake structural steelwork?
We are based in Höxter. We carry out projects in East Westphalia, southern Lower Saxony and northern Hesse, including the Paderborn, Detmold, Holzminden, Göttingen and Kassel areas.
Are you planning a steel structure?
Send a drawing, sketch or the key details – we will respond personally.