DEFINITIVE ANSWERS NOT GUESS WORK
The leading UK and European structural investigation experts that use non destructive testing and technology at the forefront of what we do
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As the UK’s leading specialists in structural and building investigations, Henderson Thomas Associates (HTA) provides the vital data needed to manage risk and ensure the safety of your assets. Our accredited teams deliver clarity and compliance for every project.
Definitive answers not guess work Leading the way with advanced NDT technology UKAS accredited for quality and compliance Open-door policy for expert advice and support Dedicated to sharing knowledge to save lives Comprehensive suite of services under one roof
Founder & Director and as of 2025, Sole Owner of Henderson Thomas Associates (HTA) | Structural, Building & Rail Investigation & Testing Specialist | Advocate for Knowledge Sharing throughout our industry
Team lead specialising in structural investigation, ensuring the safety and integrity of buildings and infrastructure.
Senior Engineer at Henderson Thomas with 8+ years of experience in structural investigations, specialising in bids, tendering, engineering management, and project delivery.
Warren's experience and straight talking personality adds value to the services provided by his company. His collaborative approach early in a project allows the benefits of investigations and testing to be maximised.
Warren and his colleagues are highly experienced survey practitioners. They have great breadth and depth of experience and capability despite the modest size of the Henderson Thomas company. I have found them highly responsive to client requirements on jobs.
At URS Scott Wilson, I have worked with Warren Thomas of Henderson Thomas Associates over a 14 year period, during which HTA have carried out numerous structural investigations. They have always provided a reliable and efficient service, working with us to achieve best value for a project.
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Warren has consistently provided my Advisory Group with high quality support work at reasonable rates over the last 8 years by way of safe entry into confined spaces or his testing services.
I have particularly appreciated his swift responses to RfQ's and his advice regarding the appropriate specification of both concrete and steel tests.
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