J Johnstone Engineering recently fabricated and installed structural steelwork for a striking residential project in Watermillock near Penrith …
Welcome to J.Johnstone Engineering Ltd
35 Years Experience in Structural Steel, Fabrication and Industrial Support
At J Johnstone Engineering Ltd, we’ve been delivering high-quality fabrication, structural steelwork, and sheet-metal services from our base in Silloth, West Cumbria, for more than four decades. As a family-run business, we take pride in our hands-on experience, attention to detail, and long-standing reputation for reliability across a wide range of industries.
As structural steelwork specialists in Cumbria our services include access ladders, bespoke internal staircases, steel staircases, industrial platforms and fire escapes.. as well as marine fabrication and repair services to local ports, harbour facilities, and commercial fishing vessels across the area. With over 35 years experience in welding and fabrication we cover the whole of Cumbria and the UK.
UKCA EXC2 Certified Structural Steel for Commercial, Residential & Industrial Projects
We supply UKCA Marked Execution Class 2 (EXC2) structural steelwork for builders, main contractors, and industrial clients across Cumbria.
EXC2 is the most commonly specified execution class under EN 1090, covering the majority of commercial and industrial steel structures.
If you’re delivering a residential extension, new build home, warehouse, factory extension, commercial unit, or internal fit-out, EXC2 compliance is typically required by your structural engineer.
We manufacture and supply:
Structural steel beams
Windposts
Portal frames
Mezzanine floors
Steel staircases
Secondary and support steelwork
All steelwork is produced under a certified Factory Production Control (FPC) system and supplied with full UKCA documentation.
RECENT PROJECTS
J Johnstone Engineering were proud to fabricate and install the structural steelwork for a striking self-build home in …
Following on from other projects within the same development in Seaton, West Cumbria, we were appointed to fabricate …
Bespoke Curved Wrought Iron Handrail for Garden Steps in Thornthwaite, Lake District
J Johnstone Engineering recently fabricated and installed a bespoke curved wrought iron handrail for garden steps at a …
J Johnstone Engineering recently fabricated and installed structural steelwork for a major renovation project on the main street …
J Johnstone Engineering recently fabricated and installed structural steelwork for a new build home in Sunderland, near Bothel …








