At Greenland Home Improvement, we’ve spent over four decades perfecting the design, manufacture and installation of high-quality windows and doors across the UK. Every project starts with a free, no-obligation survey, followed by a fixed-price quote within 24 hours — no hidden costs, no pressure selling. Our uPVC and aluminium products are manufactured in our own Birmingham factory, giving us tighter quality control and shorter lead times than most competitors who rely on third-party suppliers. We work exclusively with trusted, industry-leading brands and partner with FENSA-registered installers to ensure every fitting meets current UK building regulations. With a 10-year insurance-backed warranty on every installation and a dedicated aftercare team on hand, homeowners across the country choose Greenland for a service they can rely on from the first enquiry through to the final finish.