Hear from Our Satisfied Customers
"Quantum transformed our home with their exceptional service. The team was professional, and the process was flawless."
"From consultation to completion, Quantum delivered outstanding service and quality products. Highly recommended!"
Why Choose Our Windows?
Our team has fitted hundreds of windows in Glasgow, East Kilbride, Paisley, Bearsden, Clydebank and the surrounding areas.
Tailored to Your Home – Choose from a variety of colours, finishes, and styles.
Secure and Durable – Multi-point locking systems as standard for your peace of mind.
Expert Installation – Our trained fitters take care of everything from start to finish.
Trusted Local Service – Reliable window fitters in Glasgow, here when you need us.
Low Maintenance – Easy-clean designs that stay looking great for years.
We’ll take care of everything — from measuring up to final fitting — with minimal disruption to your home.
Get A Free Quote
Choose Your Style
uPVC Windows
Looking for low-maintenance windows that last? Our uPVC windows are energy efficient, secure, and come in a range of colours and finishes to suit any home.
Casement and Tilt & Turn Windows
Simple to use and easy to clean, these windows offer excellent ventilation and security — perfect for modern living and family homes.
Sash Windows
Retain the charm of your traditional property with our vertical sliding sash windows, combining classic aesthetics with modern performance.
Timber-Effect Windows
Love the look of timber but want less upkeep? Get the beauty of wood with the strength and energy efficiency of modern materials.
Our Simple 5-Step Process
Ready to Get Started?
If you’re looking for new windows in Glasgow or want to upgrade your old units with modern, efficient uPVC windows, we’re here to help.
Click below for a free quote and let’s make your home warmer, quieter, and more secure — with window replacement in Glasgow done right.
Flexible Finance Options
We believe everyone deserves a warmer, safer home — without the upfront cost.
- Spread the cost with affordable monthly payments
- Quick, simple application process
- No hidden fees or early repayment charges
- Available on all window and door installations
