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Accreditations

Stringent quality control across all areas of our business maintains our reputation for delivering high quality products with high quality installation, on time and within budget.

We invest heavily in training and independent accreditation and certification and are proud to hold all of the below.

BS 7412

Certificate Ref: KM 52065/59076

Specification for windows and doorsets made from unplasticized polyvinyl chloride (PVCu) extruded hollow profiles.​

PAS 24

Certificate Ref: KM 59076

Enhanced security performance requirement for doorsets and windows in the UK.

BS 7412

Certificate Ref: KM 77037

Specification for windows and doorsets made from unplasticized polyvinyl chloride (PVCu) extruded hollow profiles.

PAS 24

Certificate Ref: KM 77037

Enhanced security performance requirement for doorsets and windows in the UK.

BS 8529

Certificate Ref: KM 593799

Composite doorsets. Domestic external doorsets. Specification.

PAS 24

Certificate Ref: KM 593799

Enhanced security performance requirement for doorsets and windows in the UK.

BS EN 14351

Certificate Ref: 0086-CPR-652097

Windows and doors. Product standard, performance characteristics. Windows and external pedestrian doorsets without resistance to fire and/or smoke leakage characteristics.

ISO 9001

Certificate Ref: FM 53639

Quality Management System.

BS 45001

Certificate Ref: OSH 644383

Occupational Health and Safety Management System.

BS 1279/BS 12150/BS 14449

Certificate Ref: KM643155 & KM 720746

Insulated Glass Units. Long term test method & requirements for moisture penetration, glass leakage rate and gas concentration tolerances. Safety glass in buildings.

Secured By Design

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The official UK Police flagship initiative combining the principles of 'designing out crime' with physical security.

BS EN 8213-4

Certificate Ref: 017

Survey and installation of windows and external doorsets.

EN 1634/PAS 24/BS8529

Certificate Ref: 1697/306

Fire tests on building materials and structures.

Q-Mark

Certificate Ref: 597

Fire Door Installation.

Competent Person Scheme

Certificate Ref: AC12-1874

Self-Assessment & Auditing.

Thermal Ratings Register

Certificate Ref: AC12-1874

Certass Thermal Ratings Register.

Safety Schemes In Procurement

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SSIP assessments are all judged on core criteria approved by HSE. This core criteria describe what it means for a construction business to comply with basic health and safety law.

Safety Schemes In Procurement

Certificate Ref: 25141

SSIP assessments are all judged on core criteria approved by HSE. This core criteria describe what it means for a construction business to comply with basic health and safety law.

Safety Schemes In Procurement

Certificate Ref: 30386

SSIP assessments are all judged on core criteria approved by HSE. This core criteria describe what it means for a construction business to comply with basic health and safety law.

BS 8529

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Trade association specific for the composite door industry. Nationwide Windows Ltd hold a membership.

GQA

Certificate Ref: AC/00423

GQA (Glass Qualifications Authority) are a qualification awarding body, to which Nationwide Windows Limited are an Approved Training Centre Provider.

BFRC

Certificate Ref: m946

BFRC is the UK's trusted ratings council, with the most widely used rating system for energy performance in window and doors.

Trustmark

Certificate Ref: AC/00423

TrustMark is a quality mark, which provides assurance that the holder is reputable and trustworthy.

PAS 2030

Certificate Ref: 12-1874

PAS 2030 is the industry specification for which all energy efficiency installers must be certified to, and compliant with, when carrying out energy efficiency measures under government initiatives such as ECO. PAS 2030 sets out the requirements for competence, technical ability, and overall requirements for quality that all installers will follow to ensure work carried out has met the required standard.