We’ve got you covered !
BONNYHOLMSTEELBUILDINGS provide a cost-effective design & supply of robust high quality cold rolled steel buildings manufactured by our partner company Steadmans, part of the SIG plc Group (turnover in excess of £2.6bn) whose production and manufacturing processes fully conform to BS EN ISO 9001: 2015 for Quality Management Systems and are CE marked & accredited to BS EN 1090 for peace of mind, ensuring you receive the highest quality of materials and service. We use our own in-house state-of-the-art software to quickly produce quotations, drawings, and engineering information and are also able to provide structural calculation packs for your design as standard. This means you can be assured that your new steel building will be designed correctly to withstand the elements & environment it will be placed in, and supplied at a very competitive price.
Our team has over 30 years experience in Architectural & Engineering Design and Construction so you can be assured you are in safe hands. Check out our Architectural & Engineering website :-



Although we are based in Scotland, we can supply our steel buildings to all over the UK and Europe, transportation is FREE throughout the UK mainland, for deliveries to Europe please contact us.
All our steel buildings come in self-assembly format with the following information pack for erection by your own competent individuals or by using our fully experienced professional erection service which not only guarantees a building to last but will save you time and money :-
- Full self-assembly instructions
- Parts List / Bill of Materials
- General Arrangements / Erection drawings
- Foundation plan / guidance
- Structural calculations pack
*Standard kit delivery time is normally between 3-4 weeks
Advantages of Cold-Formed Steel Framing :
- Galvanised Finish – no maintenance
- Lightweight – light gauge steel
- High strength to weight ratio – stiffness
- Portal Frame – ability to provide long spans
- Steel CE marked – uniform manufacturing quality
- More accurate detailing
- Easy pre-fabrication & production
- Compact packaging for transport
- Economy in transport & handling costs
- Quick & easy to install
- Eliminating delays due to weather
- Wear & corrosion resistant
- Termite & rat proof
- Non-combustibility
- Recyclable / Energy efficient
- Less Civils / Foundation works
- OVERALL very cost-effective v hot-rolled
Have a look at our brochure : BSB_brochure