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Business Details
18 Years
experience
Steel Building Fabrication Services in Magherafelt
Established in 2008, Tonagh Engineering has built a reputation as a leading steel building fabricator in the Magherafelt area with over 15 years of dedicated service. Our expertise lies in designing and installing high-quality steel structures tailored to meet both domestic and commercial requirements across Northern Ireland and the Republic of Ireland. From compact 3m x 2m garden sheds to large-scale 30m x 8m industrial workshops, we combine precision engineering with durable materials to deliver long-lasting solutions. Our comprehensive service includes free consultations, custom design, and professional installation, ensuring minimal disruption to clients' routines. We prioritise client satisfaction through transparent communication, competitive pricing, and adherence to industry standards.

Our team's technical proficiency is demonstrated through innovative features like non-drip roofing systems and insulated panels, catering to diverse functional needs. Operating from our base in Draperstown, we maintain rigorous quality control throughout every project phase. Customer testimonials consistently highlight our reliability, craftsmanship, and commitment to delivering projects on schedule. This combination of experience, technical capability, and client-focused service has established us as trusted specialists in steel construction solutions.
Services
Steel Buildings Metal Sheds Workshops Flat-Pack Options Custom Fabrication
Details
  • Year established: 2008
Highlights and features
  • 15+ years of specialist steel fabrication experience
  • Uses high-quality, durable construction materials
  • Offers custom design and installation services
  • Serves Northern Ireland and Republic of Ireland
  • Maintains excellent customer satisfaction ratings
What people say
Top class service Great people First class job Highly recommend Speedy build time
Services
Steel Buildings
We design and install custom steel buildings suitable for commercial, industrial, and domestic applications. Our structures combine durability with cost-effective installation, available in sizes from 3m x 2m up to 30m x 8m. Each project uses high-quality materials with options including insulated roofing and custom access points.
Metal Sheds
Our metal sheds provide robust storage solutions for residential and business needs. Available as pre-fabricated units or custom designs, these low-maintenance structures feature durable construction with optional roller shutters and insulated panels. Quick installation minimises disruption to property owners.
Workshops
We supply and install steel workshops tailored to specific requirements, including industrial facilities and gymnasiums for sports clubs. Our lightweight yet sturdy designs incorporate non-drip roofing systems and can be customised with electrical and ventilation provisions to meet operational needs.
Flat-Pack Options
For self-installation convenience, we offer flat-pack steel building kits with precision-cut components. These easy-to-assemble solutions maintain structural integrity while allowing customers to manage their own installation timelines, supported by our technical guidance throughout the process.
Custom Fabrication
Our fabrication services create bespoke steel structures matching exact specifications. From initial design consultation to final installation, we work closely with clients to develop solutions that address unique spatial requirements, incorporating features like pedestrian doors and skylights as needed.
People
Sean Boyle
Owner/Operator
With over 15 years' experience in steel fabrication, Sean Boyle leads Tonagh Engineering's team delivering quality structures across Ireland. His hands-on approach ensures every project meets exacting standards while maintaining customer-focused service throughout the construction process.
Questions
What types of steel structures do you fabricate?
We create steel buildings, metal sheds, workshops, and gymnasiums ranging from 3m x 2m domestic units to 30m x 8m commercial facilities with custom design options.
Do you operate outside Northern Ireland?
Yes, we provide fabrication and installation services throughout the Republic of Ireland as well as Northern Ireland from our Draperstown base.
Can I customise my steel building?
All structures can be tailored with features like roller shutters, insulated panels, skylights, and electrical provisions to meet specific requirements.
How long does installation take?
Project timelines vary by size but typically complete within agreed schedules, with minimal disruption to property owners during the construction process.
Do you offer flat-pack options?
Yes, we supply precision-cut DIY kits for self-installation with comprehensive technical support available throughout the assembly process.
What warranty applies to your structures?
All projects include quality guarantees covering materials and workmanship, with specific terms discussed during the initial consultation phase.