About

D20-one Structural Design Ltd

Our history

D20-one is dedicated to delivering expert, professional Structural and Civil Engineering Design Services.

D20-one was set up with honesty, integrity and quality in mind, no matter what client or project we are working with.

We are trusted to deliver projects of all sizes, with a proven record for quality and reliability across a diverse selection of sectors.

As Chartered Engineers, we work alongside every client, stakeholder and third party during a project to deliver solutions that not only work, but are also cost effective, practical and exceed expectations.

House extensions

From individual domestic projects to large scale multi-million-pound developments, you can expect the same standard of care and attention to detail.

Our clients

We work with a wide range of commercial and domestic clients to deliver Structural and Civil Engineering Consultancy Services.

Our commercial clients range from Contractors, Developers, Steelwork Fabricators, and Local Authority providers to specific industry sectors including schools and colleges, healthcare organisations, industrial units, hospitality venues and retail units.

We work closely alongside project managers and their design team to ensure a seamless process from start to finish.

For individual clients or domestic residential projects, we work directly, or collaborate with appointed Architects, Fabricators and Contractors.

We are proud of the positive feedback and comments we have received from our clients. This demonstrates that our expertise, technical ability and commitment to innovation delivers efficient, cost-effective, sustainable Structural Engineering Solutions within an integrated design process.

Historic building surveys

Meet the team

Jamie Ikin

Director, Chartered Structural Engineer (MIStructE)

Jamie founded D20-one Structural Design in 2023. He graduated from the University of Derby with a First-Class Honours degree in Civil Engineering, before going on to qualify as a Chartered Engineer with the Institution of Structural Engineers.

With over a decade of experience in structural engineering, Jamie has worked on a wide range of projects, from residential and commercial buildings to complex bespoke structures.

Known for his attention to detail and technical expertise, Jamie brings a practical, solutions-focused approach to every project. His experience ensures projects are delivered efficiently and effectively. Providing reliable, high-quality structural solutions that are safe, efficient, and tailored to each client’s need.

Jamie’s long-term ambition is to build a reputation not only for great engineering but also as a supportive and rewarding place to work – one where staff feel valued, are encouraged to grow, and share in the company’s success.

Louie Bester

Structural Engineer

With over 10 years of experience in the construction industry, Louie began his career as a technician, gaining valuable hands-on experience in drafting and detailing before progressing into an engineering role.

This early grounding developed his practical understanding of Structural Design and Construction, forming a strong foundation for his professional growth.

Having completed his HNC in Civil Engineering at Nottingham College Louie later achieved his Degree in Civil Engineering from the University of Salford.

Louie is passionate about delivering efficient, safe, and sustainable structures, combining technical expertise with a practical mindset. He enjoys working collaboratively to solve engineering challenges and is motivated by opportunities to innovate and continually develop his skills.

Derick Manu

Graduate Structural Engineer

Derick joined D20-one in 2026 following completion of a Civil Engineering Degree at the University of Derby, where he passed with First Class Honours bringing new technical abilities and skills which he will develop further at D20-one.

With a strong background in engineering mathematics and construction materials, Derick also brings previous experience working within a multidisciplinary engineering consultancy supporting both public and private sector projects.

At D20-one, Derick produces structural designs for both substructure and superstructure elements and supports projects through 2D AutoCAD drawings and 3D modelling using Tekla.

His role also involves regular communication with architects, builders and clients throughout the design process.

His technical experience includes the design of masonry, steel, timber and concrete structures, alongside the use of structural design software including Tekla Connection Designer and Tedds Structural Designer. Derick is continuing to develop professionally through his Initial Professional Development and is working towards becoming an Incorporated Engineer through the Institution of Structural Engineers.

Carolina Gois

Design Technician

Carolina joined D20-one in 2026 as a Design Technician, having completed a Master of Science (MSc) in Civil Engineering at Coventry University.

Carolina has previous experience across civil engineering, technical drawing, construction inspection and project support. Her experience includes drainage design, reinforced concrete structures, quantity take-offs and the preparation of technical documentation.

At D20-one, Carolina supports the team with the preparation of clear and accurate technical drawings using CAD software, applying her civil engineering knowledge and previous design experience to a range of ongoing projects.

Her technical experience includes formwork design, concrete construction and reinforcement, technical design and detailing, as well as CAD and BIM. Carolina is keen to continue developing her skills while contributing to the delivery of practical and accurate design solutions.

Ben Daykin

Chartered Civil Engineer

Ben is our Civil Engineer and Director of Benjamin Allen Consulting Engineers, with over 30 years’ experience delivering technically robust and compliant civil engineering solutions across all sectors.

His expertise includes highways, drainage, earthworks, and multidisciplinary coordination on projects ranging from £100k to £500 million.

As a member of the Institute of Civil Engineers (ICE), Fellow of the Institution of Highway Engineers (IHE), and Chartered Member of CIWEM, he provides strong technical design and engineering judgement throughout all project stages, ensuring efficient well thought out solutions to the latest guidance.

D20-one and BACE work in close collaboration to deliver seamless management of projects and a full range of services from planning through to completion.

Callum Nixon

Operations Assistant

With a background primarily in Games Design, particularly level design, Callum developed strong technical and problem-solving skills alongside experience using a range of digital software and working on detailed, project-based tasks.

At D20-one, Callum supports the day-to-day running of the office, assisting with new enquiries and general administration. He also produces case studies for the company’s project portfolio and supports D20-one’s social media presence through the company LinkedIn page.

Tech-savvy and confident learning new software and systems, Callum brings attention to detail, adaptability and a practical approach to supporting the wider team.

Work with us

From concept ideas through to completion, we focus on reducing project costs where possible, meeting sustainability needs, and tackling any challenges along the way to ensure a smooth outcome.