Our Experts

Stewart Dalgarno

Director of Product Development

OUR TEAM Stewart DalgarnoStewart has spent close to 30 years working for Stewart Milne Group, progressing to Managing Director of their timber frame operations. His current role is responsible for all product and process development across the group, as well as chairing the group design and technical forums within Stewart Milne Homes.

During 2007 Stewart was the project director of the ground breaking and award winning prototype Sigma® Level 5, near zero carbon Home, the first in the UK. His current role sees Stewart focusing on the development of the group’s award winning Sigma® II Build System and the advancement of the group’s off-site manufacturing and on-site assembly strategies.

Most recently Stewart was instrumental in bringing together and leading the triple award winning AIMC4 consortium. This is a collaborative R&D project, to deliver affordable mainstream Level 4 homes, through a fabric first approach. This leading edge project secured £3.25m of innovation funding from Government and is widely regarded as an industry exemplar project.

Stewart is a past chairman and director of UKTFA (UK Timber Frame Association). He is a member of the HBF sustainability group, member of Construction Scotland Industry Leadership Group, and a steering group member of the DCLG/ZCH design versus as built performance project. More recently Stewart was a participant on the reconvened Sullivan Expert Panel in Scotland. He has a master’s degree in project management, lives in Oxfordshire and is a keen golfer.

David Nimmo

Technical Director

OUR TEAM David NimmoHaving served an apprenticeship in joinery and then graduating with an Honours Degree in Building Engineering & Management, David joined Timber Systems in 1997. 

He has since focused his career in Timber Frame technology. In that time he’s assisted many of our clients’ projects across the UK through his project management, commercial and timber frame technical expertise.

David joined the Board in October 2007.

John Smith

Technical Director

OUR TEAM John SmithJohn spearheads technical advancement in our product to meet the needs of our clients in a rapidly evolving market place. His responsibilities will cover design coordination, design and engineering, quality and product bringing his years of timber frame experience to the SMTS Board. He continues to work closely with our key accounts.

John's previous role as Head of Product and Innovation made him responsible for product specification across all our product ranges, along with new product introductions, ensuring their suitability to the customer and internally right through; health and safety, technical, manufacturing, commercial and site practicalities along with ensuring a sustainable supply chain is in place.

John brings a wealth of technical and practical experience to this exciting role within the business, along with a real drive and focus on customer centricity.

Simon Horn

Technical Manager - England & Wales

OUR TEAM Simon HornSimon joined Stewart Milne Timber Systems in 2010 and has specialised in timber frame design and construction for the past 28 years. Simon has extensive experience achieved working within architectural private practice; national house builder architects department and specialist timber frame manufacturing companies. His construction knowledge and skills position him well for providing Stewart Milne with innovative solutions in an ever changing marketplace both technically and professionally.

Frank Strachan

Technical Manager

OUR TEAM Frank StrachanFrank began his career in civil and structural engineering before joining Stewart Milne Timber Systems.

His role in leading the design and technical teams involves engaging with clients to value engineer projects, manage our design lab and deliver robust design guidance.

Frank was key in the setup of our design lab in Witney where he worked for 5 years.

Debi Lama

National Account Manager

OUR TEAM Debi LamaDebi has over 15 years experience in the house building industry and has been in her current role since 2005.

Debi has a strong technical knowledge and an excellent understanding of the complete timber frame process.

News and Media

Oct 11, 2019

News archiveStewart Milne Timber Systems wins Timber Frame Project of the Year Award!

We are delighted to announce that Stewart Milne Ti… find out more

Sep 05, 2019

News archiveHow MMC can help meet demand for Purpose Build Student Accommodation

While students are starting to pack their laptops … find out more

Sep 04, 2019

News archiveBrownfield land offers a sustainable solution to the housing crisis

In an article written for August’s edition of Show… find out more

Jun 19, 2019

News archiveHow offsite construction can help solve the housing crisis

Alex Goodfellow, Group Managing Director of Stewar… find out more

Jun 17, 2019

News archiveLarkhill Housing Scheme: Radical Collaboration

As part of Lovell’s regeneration development, they… find out more


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Homes For Scotland Home Builders Federation National House-Building Council Royal Institute of British Architects Structural Timber Association Constructionline British Board of Agrement Wood Campus Build Off Site Building Research Establishment WOOD FOR GOOD

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