Our Accreditations
Our passion to innovate and develop our systems and services has seen our efforts recognised in many third-party endorsements and accreditations.
Our products have secured a range of independent certifications, providing assurance in their quality and performance. Below are just a few.


BOPAS+
BOPAS stands for Buildoffsite Property Assurance Scheme. An independent assessor and provider of accreditation for MMC companies, BOPAS assesses products and build systems for their durability and integrity for the full lifespan of the building, and cover the design, manufacture and on-site installation processes and procedures.
From lenders to housebuilders, the BOPAS accreditation provides assurance. Thats important to us and it’s important for you.

BBA Certification
We achieve accreditation through the BBA. The British Board of Agrement (BBA) is an independent body that assesses and certifies the performance of products used in construction, with a focus on technical compliance to achieve as a minimum compliance with building regulations, and latest fire testing requirements.
Their detailed assessment verifies the performance, compliance and capability standards of a product and achieving an Agrément certificate is a mark of excellence.
Most importantly, it proves credible evidence that our products perform as they are designed and manufactured to, creating confidence in our customers, integrity in our business and pride in our teams.

NHBC Accepts
NHBC Accepts is a comprehensive review service for innovative construction products and systems, covered by an NHBC Buildmark warranty with annal audits for design and manufacturing.

STA Assure Gold
STA Assure is the Structural Timber Association’s (STA) Quality Assurance Scheme that provides certainty in the use of structural timber and determines STA member competency and compliance. STA assure provides confidence to clients, insurers, and warranty providers that members are certified to specific agreed standards and meet all required legislation and regulations.

RoSPA
The exclusive Order of Distinction by the Royal Society for the Prevention of Accidents (RoSPA) recognises remarkable consistency in displaying the very highest levels of health and safety in the workplace for 16 consecutive years. Each RoSPA Award entrant is assessed against rigorous criteria, making DTS a world leader in shaping safer, healthier workplaces, and among a small number of industry leaders to achieve the Order of Distinction.

ISO 9001 – Quality Management
Our ISO 9001 certification guarantees that DTS operates with robust quality management systems across design, manufacturing, and delivery. For affordable housing providers, this means every panel, frame, and component is manufactured to consistent standards, reducing defects, delays, and costly rework.

ISO 14001 – Environmental Management
ISO 14001 demonstrates our commitment to minimising environmental impact. We manage resources efficiently, reduce waste, and lower carbon emissions throughout the build process. This directly supports housing providers’ ESG objectives and aligns with the government’s net zero and sustainability requirements.

ISO 45001 – Occupational Health & Safety
By holding ISO 45001 accreditation, we ensure that safety is embedded at every stage of production and installation. This protects our teams, site partners, and the wider community, reducing risk on affordable housing projects where delivery speed is essential but cannot come at the expense of safety.
Accreditations: Why they matter.

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