A leading double glazing installer serving the Shropshire area including Telford, Shrewsbury, Bridgnorth and Oswestry

Welcome to C-Thru Windows, your trusted partner in keeping your home warm and energy-efficient. With the cold weather coming, it’s the perfect time to invest in our bespoke A+ energy-rated double or triple-glazed windows, doors, and conservatories, offering the best quality double glazing in Telford and the Shropshire area.

We understand the importance of keeping your family warm, especially during the harsh winter months. That’s why we offer high-quality products at unbeatable prices, backed by the C-Thru price promise.

uPVC conservatory

Over 1000 reviews on Trustatrader

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Visit Our Showroom

When it comes to home improvements, seeing is believing. Our state-of-the-art showroom features a variety of energy-efficient options, and our experienced team is always on hand to guide you.
Based at 4C Gower Street, St Georges, Telford, we’re open Mon-Sat: 10am-4pm.

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10 Year guarantee


Over 20,000 installations carried out

35 year

Over 35 years’ experience


Certass approved installer

Part of the Sustainium Group

The Sustainium Group is a collection of forward-thinking home improvement companies who are dedicated to delivering home improvements that are both ethical and sustainable. As a company who has sustainability at the core of every process in our business, we’re a valued member of the Sustainium Group. Our products are energy-efficient and sustainable, helping both you and us to reduce our carbon footprint.

About Us