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Steel Building Fabrication Services in Draperstown, NI
Established with a commitment to excellence, Tonagh Engineering has become a trusted name in steel structure fabrication across Northern Ireland and the Republic of Ireland. With over 15 years of dedicated service, our expertise lies in designing and constructing high-quality steel buildings, metal sheds, and workshops tailored to both domestic and commercial needs. Our reputation for reliability and precision is built on a foundation of using premium materials and delivering meticulous installation services that ensure long-lasting durability. We pride ourselves on offering custom solutions, from compact 3m x 2m structures to large-scale 30m x 8m industrial buildings, while maintaining a client-focused approach that prioritises clear communication and satisfaction. Our team's extensive experience enables us to provide expert guidance, free consultations, and efficient project execution, making us the preferred choice for clients seeking dependable steel construction solutions.

Whether you require a residential garage, industrial warehouse, or bespoke metal structure, we combine technical proficiency with practical understanding to meet diverse requirements. Our operational base in Draperstown allows us to serve communities throughout Northern Ireland and ROI, ensuring accessibility without compromising on quality standards. By maintaining a balance between affordability and superior craftsmanship, we consistently deliver value-driven projects that exceed client expectations. This enduring dedication to excellence has earned us numerous five-star reviews from satisfied customers who commend our professionalism, workmanship, and timely project completion.
Services
Steel Buildings Metal Sheds Steel Workshops Custom Fabrication Installation Services
Highlights and features
  • We have over 15 years' experience in steel structure fabrication
  • We use high-quality materials for durable constructions
  • We offer custom-built solutions to exact specifications
  • We provide nationwide service across Northern Ireland and ROI
  • We ensure speedy build times with minimal disruption
What people say
Top class service Great service First class job Highly recommend Speedy build time
Services
Steel Buildings
We design and construct durable steel buildings for commercial and industrial applications. Our structures combine high-quality materials with expert engineering to ensure longevity and resilience in various environments. Clients benefit from customisable dimensions up to 30m x 8m, making them ideal for warehouses, factories, and large storage facilities.
Metal Sheds
Our metal sheds provide practical storage solutions for domestic and agricultural use. Available from 3m x 2m upwards, these low-maintenance structures offer excellent value through their durability and ease of installation. We offer both pre-fabricated and custom-built options to suit specific space requirements.
Steel Workshops
We create versatile steel workshops suitable for residential garages or industrial facilities. Our lightweight yet robust constructions feature non-drip roofing systems and optional insulation for year-round usability. Clients can choose between flat-pack self-assembly or full installation services.
Custom Fabrication
Our custom fabrication service creates structures to exact client specifications. From initial design consultation to final installation, we work closely with clients to develop unique solutions incorporating features like roller shutters, PVC windows, and insulated panels for enhanced functionality.
Installation Services
We provide expert installation for all steel structures, ensuring precise assembly and long-term stability. Our experienced team handles every aspect from site preparation to final fitting, minimising disruption while maintaining strict quality standards throughout the construction process.
People
Sean Boyle
Owner/Director
With over 15 years in steel fabrication, Sean Boyle leads Tonagh Engineering's team of skilled professionals. His hands-on approach ensures every project meets exacting standards while maintaining competitive pricing across Northern Ireland and ROI.
Questions
What types of steel structures do you build?
We construct steel buildings, metal sheds, and workshops ranging from 3m x 2m domestic units to 30m x 8m industrial facilities, all custom-built to client specifications.
Do you offer installation services?
Yes, we provide full installation services for all structures, or alternatively supply flat-pack kits for self-assembly with included fitting instructions.
What areas do you cover?
We operate throughout Northern Ireland and the Republic of Ireland from our Draperstown base, providing consistent quality regardless of location.
How long does construction take?
Project timelines vary by size and complexity, but our efficient processes typically complete standard installations within 2-5 working days while maintaining strict quality standards.
What quality standards do you maintain?
We use premium-grade steel with non-drip roofing systems and optional insulation, ensuring durable constructions that meet industry standards for strength and longevity.