CHAS (Contractors Health & Safety Assessment Scheme)

CHAS (Contractors Health and Safety Assessment Scheme) is a pre-approval scheme to allow contractors to show potential clients that they meet the required health and safety standards. CHAS works in partnership with leading industry bodies and independent organisations to provide clients and contractors alike with a single solution for accreditation, risk assessment, supply chain management and industry training. CHAS is invested in helping us to work safer and more efficiently and enjoy playing an active role in the supply chain management requirements for our business. By working together with CHAS, we can improve our compliance procedures and policies, create business opportunities, drive the industry forward and make the world of work safer.

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ISO 9001 – Quality Management

ISO 9001:2015 sets out the criteria for a quality management system. This standard is based on a number of quality management principles including a strong customer focus, the motivation and implication of top management, the process approach and continual improvement. Using ISO 9001:2015 helps ensure that customers get consistent, good quality products and services, which in turn brings many business benefits.

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ISO 14001 – Environmental Management 

ISO 14001:2015 focus on environmental systems. ISO 14001:2015 sets out the criteria for an environmental management system, it maps out a framework that a company or organization can follow to set up an effective environmental management system. It can be used by any organization regardless of its activity or sector.

View 14001:2005 Certificate

ISO 45001 – Health & Safety Management 

ISO 45001 is the world’s international standard for occupational health and safety, issued to protect employees and visitors from work-related accidents and diseases. ISO 45001 certification was developed to mitigate any factors that can cause employees and businesses irreparable harm. Introduced in March 2018, it’s replacing the current standard (BS OHSAS 18001).

View 45001:2018 Certificate


Constructionline is the UK’s largest register for pre-qualified contractors and consultants .Constructionline incorporates PAS 91 enhanced Questionnaire, Common Assessment Standard as well as SSIP Validation. Constructionline helps its members simplify procurement tasks, reduce risk and  keep pace with legislation. Construction companies that sign up to an SSIP scheme can be confident that they are fully accredited to the Construction (Design and Management) Regulations. DM Habens have been awarded Gold Membership of the scheme.

View Constructionline Certificate

View Constructionline SSIP Certificate

BM Trada

BM TRADA is the market leader in Testing, Inspection and Certification services. BM TRADA exists to help make certain that the materials, products and processes they test, inspect and certify are always safe, quality, compliant and fit for purpose.  DM Habens is proud to be BM Trada Q Mark Certification Certified ensuring we can safely install and inspect fire doors ensuring the doors are safe, compliant and fit for purpose as well as members of the Q-Mark Passive Fire Stopping Installer Scheme.

Our Approved installer for both schemes is Managing Director, Brian Way.

View Fire Door Installation Certificate 

View Fire Stopping Installation Certificate


CSCS cards provide proof that individuals working on construction sites have the appropriate training and qualifications for the job they do on site. By ensuring the workforce are appropriately qualified the card plays its part in improving standards and safety on UK construction sites.

Our Policies

Health & Safety Policy

Habens are fully committed to encouraging a culture of openness within our workforce. We regard the provision of safe and healthy working conditions not just a matter of importance, but an essential part of our responsibilities for the prevention of work related injury and ill health.

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Environmental Policy

We fully accept our individual and collective responsibilities to protect the environment and ecology, both in our business activities at our workplace and in relation to work at our customers sites.

View Environmental Policy

Quality Policy

We are fully committed to providing professional and compliant building services in the public and commercial sectors, also in our Specialist Medical, Education and Housing construction projects, working to ensure they are completed to specification, on time and within budget, enhancing our reputation and our customers’ satisfaction.

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Employers Liability Insurance

View Employers Liability Insurance Certificate