Get to know us...

Services and history

HZ Double Glazing is a family-run business with over 20 years of experience in supplying and fitting high-quality aluminium and uPVC products across London.

Known for our honest advice and skilled workmanship, we take care in every detail, helping homeowners and businesses improve their spaces with durable, stylish, and practical results.

We offer a wide range of solutions — from windows and doors to shutters, rooflights, Crittall-style, and more — all tailored to suit your property’s style and performance needs.

The People Behind the Work

What truly sets HZ Double Glazing apart is our team. Our installers aren’t just skilled — they’re friendly, reliable, and genuinely care about doing a great job.

We don’t believe in rushed work or impersonal service. Every member of our team is chosen for their attention to detail, positive attitude, and commitment to making sure our customers are happy — from the first visit to the final fit.

As a family-run business, we believe in treating our staff with the same respect and support we give our clients. Our team is made up of experienced, hard-working professionals who take pride in their craft and go the extra mile to deliver clean, careful installations every time.