Peace Of Mind For Homeowners,
Credibility & Compliance For Installers & Fabricators

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Assure is an official, UKAS-accredited Competent Persons Scheme authorised by the Department for Communities and Local Government (DCLG) for the replacement of windows, roof windows, roof lights and doors in England and Wales

Certification for Installers and Fabricators

Installers & Fabricators

Assure offers numerous services to both fabricators and installers such as NVQ's, IBG'S, energy ratings and product certification.

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Assure for Homeowners


Gain peace of mind and rest assured that your windows and doors have been installed to comply with Building Regulations.

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Become an Assure Member Today

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Window energy rating

Rating Register

As a Window Energy Rating certification body, we can issue appropriate licences and audit the companies using them to ensure correct specifications are being used for given ratings.

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competent person scheme

Competent Person

Our Competent Person Scheme allows individuals and enterprises to self-certify that their work complies with the Building Regulations as an alternative to submitting a building notice for each installation.

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kitemark certification

Fabricator Certification

We can advise on the best way to ensure your products and services are officially certified, giving your customers peace of mind and helping make sure you’re ready for anything the industry throws at you.

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