J.A.M Structures are a Sheffield based structural design consultancy. Set up by Jon Carr, Matt Hunt, Paul Testa and Alan MacDonald in 2018 to collaborate with Sheffield Architectural practices on bespoke building projects In the city region and beyond.

Our aim is to produce practical and cost effective solutions on a wide range of structures in both the private and public sector, with an emphasis on attention to detail.

We pride ourselves on providing a high quality service in a timely and pro-active manner.


At J.A.M Structural Design, we have the skills and experience to provide Structural Engineering services (including design, drawing and detailing) on a wide range of projects including

  • Small to Medium Commercial Projects
  • Domestic Projects of all sizes
  • New Build Projects
  • Refurbishments & Extensions
  • Feasibility Studies & Desk-Top Studies
  • Structural Surveys, Inspections & Reports
  • Building Control Calculations & Submissions


Images link through to the architect’s website:

Sycamore Hall
The Hen House
Archer Lane
Stamford Road