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


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

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

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

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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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