UK-wide · Established 1968 · CE and UKCA marked
Steel fabricators for the whole of the United Kingdom.
Staircases, handrails, balustrades, canopies, flooring and stainless with glass — designed in AutoCAD, fabricated and trial-erected at our own works, then delivered and installed by our own team.
What we do
Five things we make, made properly
Small to large fabrications for architectural, industrial and agricultural projects, designed to the latest regulations and British Standards, and carrying CE and UKCA marking.
Structural Steel
Fire escapes, staircases, walkways, mezzanine floors, bridges and framework, engineered in-house. Read moreBalustrades & Handrails
Bespoke made balustrades, handrails and glass railings, including a dedicated Q-railing service. Read moreBespoke Fabrication
Custom metalwork built to your exact specification, from concept through to finished product. Read moreWelding
MIG, TIG, MMA and Q-railing welding, delivered by our expert welders. Read moreDelivery & Install
Our own team delivers and installs finished steelwork on site, anywhere in the UK. Read more
About Tri-Dev
Three engineers in 1968. A dedicated team ever since.
Tri-Dev was formed in 1968 by three engineers carrying out development work on machinery, predominantly for the pottery industry. Over the years the client base grew to cover automotive, mining, steel production and textiles.
Today the bulk of our work is quality fabrication for the building sector — architectural stairs, fire escapes, balustrades, handrails, canopies, flooring and specialist structures — with that engineering background still behind it.
Every design is produced electronically in AutoCAD, in-house, and discussed with you as it progresses. Final products are tested and trial-erected in-house before they ever reach site.
Recent work
A look at some of our current and recent work
Photographs of our own jobs, from the workshop and from site — tap any photo for a closer look.
Nationwide
Steelwork that travels
We are a single-works fabricator that installs the length of the country. That combination is the whole proposition — one team accountable from the first drawing to the last fixing.
Made in one place
Every job is drawn, cut, welded and trial-erected at the same works. There is no second fabricator in the chain and no variation in who did the work.
Delivered by us
Our own transport and our own team, so the steel arrives with people who know how it was built and what it has to meet on site.
Proved before it ships
Assemblies are tested and trial-erected in-house as required. On a job three hundred miles away, that is the difference between a fitting day and a return visit.
Distance changes the planning, not the standard. How we work on national jobs.
How we work
From idea to finished install, all in-house
Design & CAD
25+ years using in-house CAD — 2D or 3D drawings produced electronically in AutoCAD and refined with you as the design develops.
Fabrication
Built in-house by our dedicated team, to your specification and in accordance with the latest regulations and British Standards.
Testing
All products are tested and trial-erected in-house as required, before they’re ever installed on site.
Delivery & Install
Our own team delivers and installs the finished steelwork, anywhere in the UK.
Accredited
Checked, carded and marked
The paperwork a main contractor asks for before anyone sets foot on site.
CE and UKCA marking, CHAS accreditation and CSCS cards for every employee and sub-contractor on site.
Health & Safety
Safety, monitored every day
We promote the importance of Health and Safety at our works and on site — not an afterthought, a daily discipline.
- CSCS accreditation for every employee and sub-contractor on site
- Workshop and site supervisors monitor safety daily to keep risk to a minimum
FAQs
Common questions, answered
A few of the questions we get asked most. See all FAQs.
Where do you work?
Across the whole of the United Kingdom. Fabrication is carried out at our own works in Staffordshire and our own team delivers and installs on site nationwide.
What do you make?
Staircases, handrails, balustrades, canopies, steel flooring, fire escapes, walkways, mezzanine floors, stainless with glass, and bespoke one-off metalwork. The range is deliberately broad.
How long has Tri-Dev been established?
Since 1968. We were formed by three engineers carrying out development work on machinery, and have built into structural and architectural fabrication since.
Do you handle design as well as fabrication?
Yes. We have used in-house CAD for 25+ years. Every design is produced electronically in AutoCAD, in 2D or 3D, and discussed with you as it progresses.
Talk it through
Speak to the right team, first time
Call Craig on 01782 561526, or email craig@tridev.co.uk. Email is answered around the clock; the works is open Monday to Friday, 8:00am to 4:30pm.
Tri-Dev Ltd, Loomer Road, Chesterton, Newcastle-under-Lyme, Staffordshire, ST5 7LB