
Accreditations
At Harrington Windows, we understand that trust is paramount when selecting a home improvement partner. That's why we hold accreditations from leading industry bodies, ensuring our products and services meet the highest standards. Our certifications provide you with peace of mind, knowing your project is in expert hands.




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FENSA Approved Window & Door Installations
Harrington Windows is a proud member of FENSA, the government-authorised scheme that monitors building regulation compliance for replacement windows and doors in England and Wales. This accreditation ensures that our installations meet or exceed current building regulations, are energy-efficient, and are registered with the local council. By choosing a FENSA-approved installer like us, you receive a certificate upon completion, providing peace of mind and essential documentation for future property transactions.

Glass & Glazing Federation (GGF) Member
As a member of the Glass and Glazing Federation (GGF), Harrington Windows adheres to the highest standards in the glass and glazing industry. The GGF is the leading trade association representing companies that manufacture, supply, or install glass and glazing products. Our membership signifies our commitment to best practices, technical excellence, and adherence to the GGF's Consumer Code of Practice, ensuring that our customers receive top-quality products and services.
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National Trading Standards Certified
Harrington Windows is accredited by National Trading Standards, an organization that safeguards consumers and businesses by ensuring fair trading practices. This certification demonstrates our commitment to honesty, transparency, and reliability in all our dealings. It assures our clients that we operate with integrity, providing services that protect consumer interests and comply with all relevant regulations.
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