About Us Established in 1970, EYG Improvements now employ over 300 staff nationally. We constantly invest in our products to make sure our customers have the best of the best. We are so confident in our home improvement products, that they all have a ten-year warranty, ensuring they keep your home safe and secure, warm, free from traffic noise and traffic pollution, and looking fantastic. Double glazing, conservatories, orangeries, composite doors, windows, aluminium bi folding doors and UPVC french door manufacturers and installers, with branches in Hull, York, Doncaster, Scarborough, Leeds, Lincoln, Nottingham, Cardiff and Spalding. We have been serving Yorkshire and Lincolnshire with double glazing and home improvement products for over 40 years.