
Understanding Cob Construction: What Structural Engineers Need to Know
Cob is one of Devon's most distinctive building materials. This article explores the structural characteristics of cob and how engineers should approach surveys and repairs.
Providing practical engineering solutions for residential, historic and commercial buildings. Independent Chartered Engineers based in Exeter, serving clients across Devon and the South West.
Barry Honeysett Consulting Structural and Civil Engineers is an independent practice based in Exeter, Devon. Our team of highly qualified and experienced Chartered Engineers provides a comprehensive range of structural and civil engineering services.
We work across residential, commercial and public sectors — from straightforward home extensions to complex historic building projects. Our specialist expertise in traditional Devon construction, including cob and timber frame structures, sets us apart from larger, less specialist firms.

From structural calculations and design to specialist surveys and historic building expertise — we provide the full range of structural and civil engineering services.
Precise engineering calculations for new builds, extensions, and alterations, ensuring compliance with Building Regulations.
Comprehensive structural design for residential, commercial, and historic buildings across Devon and the South West.
Detailed structural surveys and reports for homeowners, purchasers, and commercial property owners.
Expert foundation design including ground beams, raft foundations, and underpinning for challenging ground conditions.
Specialist expertise in traditional and historic structures including cob construction, timber frames, and listed buildings.
Thorough structural inspections identifying issues and providing practical, cost-effective remedial solutions.
We work across a diverse range of building types — from modern residential extensions to centuries-old listed buildings.
Structural solutions for home extensions, loft conversions, and internal alterations.

Specialist structural engineering for cob cottages, listed buildings, and churches across Devon.
Structural design and investigations for commercial buildings, offices, and industrial premises.
As an independent practice, we provide impartial, expert advice without the overhead of a large firm. Our Chartered Engineers bring decades of experience to every project, no matter the scale.


Cob is one of Devon's most distinctive building materials. This article explores the structural characteristics of cob and how engineers should approach surveys and repairs.
Many homeowners are unsure whether they need a structural engineer for their extension project. We explain when structural engineering input is required and what it involves.

A structural survey provides a detailed assessment of a building's structural condition. Here we explain what's involved and why they're important for property buyers.
Whether you're planning a home extension, dealing with a structural problem, or need specialist advice on a historic building — our Chartered Engineers are here to help.