Double Glazing in Stevenage, Hertfordshire

We supply and install top-quality windows, doors and conservatories in both uPVC and aluminium across Hertfordshire.
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We treat your home as we would our own

Guaranteed quality

We're so confident in our work that we provide all our clients with a 10 year guarantee following our installation of your new double glazing products.

Bespoke products

We supply high-quality, bespoke products so you can customise to your own preferred taste and style.

Experienced professionals

With over 25 years of industry experience, we value our customers feedback and aim to leave all our customers 10% satisfied.

Our Products

Take a look at our wide range of double glazing products. We offer beautiful designs to suit both contemporary and traditional homes. Whether you're looking for a french casement window, a composite door or a Victorian conservatory, we're sure you'll find the right product for your home.


We offer a wide range of uPVC windows, fully customisable and with many different colours, styles and accessories available. All our window products have an energy efficiency rating of A+12.


Our doors range from uPVC doors, composite front doors, aluminium bi-fold doors and french doors. All of which are fully customisable and can be tailor made to suit your home. 100% safe and secure. Find your door online today.

Conservatories and Orangeries

Interested in expanding your home to create more living space? A conservatory or orangery might be the way to go. We have a wonderful range of stylish designs both traditional and modern to suit all homes.

Is it time to sharpen up your home?
Get in touch today to kick off your project!

Why Choose Us?

We pride ourselves on our technical expertise and our cradle-to-grave customer service - that's why we're one of Hertfordshire's most trusted home improvements companies.
  • Qualified technicians
  • 10-year guarantee
  • Environmentally-friendly products
  • Family-run business


Latest News

Check out our latest news and blogs on anything and everything double glazing related.

Orangeries: What are they and what’s the benefit

Orangery is a word that has been in the double glazing dictionary for quite some time now, but for many, the word still remains a mystery. So just what is an orangery? And, more importantly, why should you think about having one installed? Well, Walkern Windows are here to help you understand a little better.  […]

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Why Choose Aluminium Windows in Hertfordshire?

If you’re looking at replacing your windows and doors, it can be a little daunting. These days you have so many options to choose from, including the mechanism, the finish and the materials the window frames are made from. In this article, we’ll have a closer look at one of the most stylish and often […]

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