Steel Framed Industrial Unit Construction

Steel-framed industrial unit construction and agricultural buildings

035Trell Contractors work together with Roy Allen (Engineering) to build steel frame buildings from start to finish including all building works, ground works and planning design.

Roy Allen’s steel framed buildings are guaranteed to be robust and resilient. They are compliant with EU-certified standards of steelworks.

We work right across Norfolk, Suffolk and the wider East Anglia region.

Demolition, Site Clearance & Recycling

Demolition and removal of all hazardous materials, including recycling of waste materials if required. Read more >

Civil Engineering Groundworks

Trell Contractors offer many civil groundworks services including foundations, sewer connections, asphalting and pipe laying. Read more >

Floor Slabs, Laser Screed and Power Floating

Floor slabs prepared with steel reinforced fabric. Floors finished with pro-seal. Read more >

Building Fabrication

Buildings are fabricated and paint finished to individual requirements. Steel work is delivered, erected by crane and access equipment with experienced professionals. Purlins and side rails are installed. Steelwork touched up and made good.


Roof cladding – composite panel roof sheeting is installed.

Side cladding – positioned and installed by a Cladboy.

Other Trades

All types of building work undertaken included plumbing, electrics and carpentry. Brick and blockwork completed including scaffolding.


Directors: B.S. Mower S.B. Mower