Energy Efficient double Glazing Solutions In belfast and northern ireland
Contact us for a free quote
Serving Belfast and Northern Ireland for over 25 years
Are you looking for double glazing installers in Belfast? Look no further than Crosby Windows. Whether you’re looking to install composite doors or roofline products, we can provide you with glazing solutions at highly competitive prices.
We have carried out projects for a range of commercial clients across Northern Ireland. Whatever your glazing requirements are, we’ve got you covered! Contact us for a free quotation.
windows and doors
Whether you prefer the look of uPVC or aluminium, Crosby Windows are your one-stop-shop for high quality windows and doors.
Conservatories
Redefine your living space with our range of contemporary and stylish conservatories. We can design, manufacture and install conservatories that are tailored to suit your needs.
Roofline
Protect the structural integrity of your property with our range of high-quality roofline products. From fascias to soffits, all our products offer long-lasting solutions for both domestic and commercial properties.
Commercial glazing
We specialise in all aspects of commercial glazing. If you’re looking for professionals to carry out shopfront glazing repairs or commercial building maintenance, we can do it all.
Domestic aluminium
Aluminium windows and doors offer enhanced security, durability and excellent thermal efficiency. They are built to last and are environmentally friendly. Call us if you’re looking to install aluminium windows and doors.
Why choose Crosby Windows?
Our experience
We have 20+ years expertise in building extensions and conservatories.
Energy efficiency
Choosing the right replacement windows can help make your home more energy efficient.
Specialist design
Our experienced commercial division is highly skilled in specialist design and installation.
Product range
We supply a full range of composite doors in many colours – all with a 10-year guarantee.
Free quotes
We offer free quotes for all customers, whether it is for your home or place of work.

contact us for a free quote
We are a one-stop shop for all your double glazing needs. Call Crosby Windows on: