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MAH Steel was commissioned to fabricate and supply a package of structural steelwork for a residential loft conversion in London. The project involved creating additional living space within the existing roof structure, with bespoke cranked roof steels required to accommodate the new layout while maintaining the required structural integrity.
Case study by Nick Steel · Sales Manager Published 27 August 2026
Questions about this project?Speak to Nick Steel, who handled this project.
Project typeResidential structural steel for a loft conversion, including bespoke cranked roof steels, fabrication and specialist HIAB delivery
Services providedStructural steel detailing and coordination with structural drawings, Bespoke fabrication of cranked roof steels and structural components, Specialist delivery using our 22m HIAB crane, Direct lifting of steel into position at roof level, Delivery scheduled around the customer's construction programme
SteelworkUB, UC sections and bespoke cranked steelwork
Project overview
Following the structural engineer's specifications, our team manufactured each steel component to the required dimensions before arranging delivery directly to site. Our 30m HIAB crane provided the reach required to lift the fabricated steels over the property and directly into the roof space, helping to minimise manual handling and speed up the installation process.
Close coordination with the builder and structural engineer ensured the steelwork was fabricated accurately and delivered when required. This allowed the installation team to work efficiently and helped keep the loft conversion on programme.
Our approach
Design & planning
We began by reviewing the structural engineer's drawings and confirming the required beam sizes, cranked sections, connection details and installation requirements. Detailed fabrication information was then prepared to ensure each component was manufactured accurately and ready for installation on site.
Fabrication
Due to the restricted nature of the London property, we planned the delivery around the capabilities of our 22m HIAB crane. The extended reach allowed the steelwork to be lifted over the property and positioned directly into the loft area, avoiding unnecessary manual handling and reducing disruption at ground level.
Delivery & installation
By combining accurate fabrication with specialist delivery and careful project coordination, MAH Steel provided a complete structural steel solution designed around the requirements of the loft conversion.
Outcome
Bespoke cranked steel beams
Efficient steel installation process
Steels delivered accurately, safely and on schedule
Gallery
Looking for bespoke steelwork for a loft conversion or tricky residential build?
From accurate fabrication to HIAB delivery and lifting, we can get the steel where it needs to be, when you need it.
