IN Windows

IN Windows are leading double glazing specialists, supplying and installing high-performance windows, doors and conservatories for homeowners across Northampton and the wider Northamptonshire area. Working with premium uPVC and aluminium systems, we help homeowners enhance kerb appeal, improve energy efficiency and enjoy a more comfortable living environment all year round. Whether you’re upgrading tired windows or planning a full home improvement project, our products are designed to deliver long-lasting style and performance.

Formed in 1996, IN Windows have built a strong reputation for quality workmanship, honest service and attention to detail. Our experienced, friendly craftsmen take pride in every installation, ensuring a professional finish from start to completion. As FENSA accredited installers, you can be confident that all work meets current building regulations and industry standards, giving you complete peace of mind.

We believe in doing things properly, with free advice and firm, fixed, no-obligation quotations – no inflated prices, no pressure sales tactics, just straightforward value and exceptional service. Flexible finance options, including 0% finance, are available to help make your upgrade accessible without breaking the bank. If you’re looking for trusted window and door specialists in Northamptonshire, IN Windows are the obvious choice.