Warranty

At Custom Windows Store, quality and trust are at the heart of everything we do. That is why every window, door, garage door and accessory you purchase from us comes with a 20-year warranty. This is not just a statement – it’s our promise that the products you invest in today will serve you reliably and beautifully for decades to come.

20-Year Guarantee of Quality

Our warranty covers both the materials and craftsmanship of our products. From advanced glazing units to durable frames and modern locking systems, each component is engineered to last. In the unlikely event of a manufacturing defect, we are committed to repairing or replacing the product so that it meets the original specifications agreed at the time of purchase.

Professional Installation for Peace of Mind

A product is only as good as its installation. That is why we work with a trusted network of professional fitters who know our systems inside out. By choosing our installation services, you benefit from the full coverage of our warranty, as well as the peace of mind that comes with expert fitting. Proper installation ensures that your windows and doors deliver maximum energy efficiency, safety, and performance throughout their lifetime.

Worldwide Coverage

Whether you are based in the UK, Ireland, Scotland, Europe or beyond, our warranty travels with you. We fulfil orders worldwide, and our guarantee applies no matter where you are located. This global reach ensures that every customer enjoys the same high level of protection and service.

What Our Warranty Means for You

  • Long-term security knowing that your investment is protected for 20 years.

  • Confidence that any defects will be resolved quickly and professionally.

  • Assurance that your products are installed by qualified experts.

  • A home that benefits from energy-efficient, secure, and durable solutions.

Our Commitment

When you choose Custom Windows Store, you are not only purchasing a product – you are entering into a partnership built on trust. Our 20-year warranty is a symbol of our confidence in the quality we deliver and our dedication to ensuring that every customer is fully satisfied, from the moment of installation to decades down the line.