Find 3 Door & Window Companies You Can Count On in Coleraine

Complete Windows specialises in supplying and installing high-security, energy-efficient PVCu windows and composite doors. Based in Coleraine since 1997, we offer free consultations, custom designs, and a price match guarantee. Our showroom showcases a wide range of styles and colours to suit individual preferences.

Skyline Windows NI manufactures and installs premium uPVC windows, doors, and conservatories with a focus on energy efficiency and security. Established in Coleraine over 30 years ago, we combine traditional craftsmanship with modern technology to deliver thermally efficient, low-maintenance solutions. Our products come with a 10-year guarantee, ensuring long-term satisfaction for residential and commercial clients.

NI Door Doctor provides expert repair services for doors, windows, and conservatories across the North West. We specialise in resolving issues such as broken hinges, draughts, misted glass, and faulty locks, prioritising repair over replacement. All work is guaranteed for 12 months, with free estimates and no call-out charges.