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Health and safety, quality and environmental impact are of major importance to us. We have the necessary controls and processes in place to enable us to deliver consistent good quality products in a safe, cost-effective and professional way.



Langley Design accreditations include:


ISO9001 (2015) Quality Management System

At Langley Design, we are totally committed to operating our Quality Management System to the requirements of the ISO9001 Quality Standard and have held BSI accreditation since 2010. We are proud of the fact that we maintained our accreditation in 2018 to the new standard of the 2015 audit, which demonstrates the robustness of our systems, controls and our positive approach to continual improvement.

We chose BSI as our accrediting body because of its reputation as the most well-known and widely respected in its field.


View our ISO 9001 (2015) Certificate FS558418.

(Contractors Health and Safety Assessment Scheme)

Health and safety is of paramount importance to running our business. At Langley Design, we are careful to ensure we operate in a safe manner and that all our employees and visitors are not endangered in any way. Although we do not undertake groundworks, our health and safety systems and procedures vetted by CHAS are an important part of what we do onsite.


View our CHAS certificate.

Construction Line

Membership number – 81712


This register of pre-qualified construction services shows that we have the right systems and procedures in place and also involves financial checks, giving our customers confidence in us.


View our Constructionline Gold Certificate.

Builder Profile

As contractors come under increasing pressure to ensure their supply chain is meeting with all Health & Safety, compliance and regulatory requirements, we maintain a membership of the Builder’s Profile scheme to aid speedy verification of PQQ criteria.


View our Builder Profile Membership Certificate.

(Safety Management Advisory Services)

The Worksafe scheme operated by SMAS is an accreditation we maintain in order to enhance the verification process Contractors are required to conduct on subcontractors & suppliers, to ensure competent & safe practices throughout the procurement process & supply chain management.


View our SMAS certificate.

TRADA Member

We are a member of TRADA (Timber Research Development Association), giving us access to good technical information and ensuring we keep up to date with all new issues and developments. As a member of TRADA, and as a responsible company, we ensure that we always source our timber from FSC (Forest Stewardship Council) registered suppliers for Hardwood and PEFC (Programme for the Endorsement of Forest Certification) for Softwood.


View our Trada Certificate.

CSCS (Construction Skills Certification Scheme)

All our installation team members are CSCS (Construction Skills Certification Scheme) card holders, which means you can be confident of their understanding of health and safety issues when working on site.

National Apprenticeship Service

We are part of the National Apprenticeship Service. We pride ourselves on providing the opportunity for young people to advance in their careers by helping them train within our establishment.