GJ Windows is a family-run window and door specialist serving customers across Northern Ireland. With more than 35 years of experience, the business focuses on quality products, trusted workmanship and honest advice. Its services cover the supply, fitting, repair and replacement of windows and doors for residential and commercial customers.

The range includes uPVC and aluminium windows, composite and uPVC doors, and double- and triple-glazed options. Customers can also enquire about aluminium bi-fold doors, aluminium and PVC sliding patio doors, and seamless aluminium guttering. GJ Windows undertakes commercial installations and is available to help with repairs and replacements as well as new projects.

The company is currently developing a new website to showcase its products and services, but remains open for enquiries, quotes, installations and repairs. Customers can request a quote or callback, contact the team by email or phone, or send a message through Facebook. GJ Windows aims to provide practical guidance and professional service for a range of window, door and glazing needs.