Covid 19 update 12th April 2021

Following the latest COVID 19 update by the Prime Minister, Sierra will continue to operate in line with the guidance set out by the Government.

We continue to take all appropriate safety measures to ensure the health and safety of our employees, customers and suppliers during this period to support our customers and the wider industry supply chain.

We encourage all staff, customers and suppliers to fully observe all recommended safe operating procedures and, in particular, the wearing of masks, social distancing, regular hand washing and other current guidance.

If you have any queries please contact us: 0808 178 3455 or email sales@sierrawindows.co.uk


At Sierra Windows, we’ve been creating bespoke frames from our factory in Devon since 1976. Today, we combine good old-fashioned customer service with new and innovative solutions that have the power to transform homes and workplaces.

You can leave it with us. By choosing Sierra Windows, you’ll have access to a wide range of suppliers, many of whom will only work with larger businesses like ours. This enables us to offer everything you need under one roof. Each frame is crafted to order right here in Devon, and nothing leaves the factory floor until it meets our exacting standards.

We’ve obtained a wealth of experience during our forty years in the business and we’re happy to share that knowledge with you. Whether it’s a question about measurements, some advice on styles or a few fitting tips, talk to a Sierra Windows expert today.

Request a free information pack

Request Pack

We can design virtually any frame for any installation, with an extensive range of styles, colours and opening features…

View Products

Independently tested to ensure they meet (and often exceed) industry standards, Sierra doors are guaranteed to keep the sound out and the warmth in…

View Products

Increase your product offering with beautifully crafted conservatories from Sierra. Discover our complete design to delivery service…

View Products
Sierra Logo

Please Read

The portal will be unavailable from Saturday 9th and Sunday 10th June for maintenance. Please contact the sales office for help if needed. We apologies for any inconvenience during this time.