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We are accredited by the relevant trade bodies, including:
CERTASS ensure contractors are qualified to carry out window and door replacements in accordance with building regulations. It also provides a Building Regulation Compliance Certificate to property owners when work is carried out by an approved contractor.
The CMS Mark provides proof that manufacturers comply with all the requirements of EN 1279 and that sealed units manufactured under this Quality Mark will meet NHBC requirements.
Suppliers approved by IWA deliver the highest levels of reliability, expertise and customer satisfaction.