Why Choose St Ives?

40 Years’ Experience

At St Ives, we have over four decades of experience in installing premium double glazing. We are proud to deliver an outstanding service using our own experienced installers to maintain a market leading level of workmanship and excellent customer care.

Made to Measure

Unlike other businesses in the double glazing industry, we don’t believe in mass production. All our double glazed products are made to measure, ensuring your new installation will seamlessly fit your existing architecture, current double glazing and your preferences.

Range of Styles

We know all our Cornwall homeowners want something different from their double glazing installation. That is why we offer a broad array of different styles and designs, ideal for modern and traditional homes alike. Explore our full range today!

Finance Options

Choosing the right double glazing can be a big commitment for your property. To help make this easier for you, we offer a range of finance options that can make this easier for you. Spread the cost of payment over a timeframe that suits you and your personal situation.

Colours & Styles

Our windows, doors and extensions look as good as they perform. We offer a range of customisation options, allowing you to perfect tailor our double glazing to your home improvement project. We offer a selection of colours and finishes for you to choose from.


All our double glazed solutions are crafted using high grade materials to ensure you get a premium quality and long lasting installations for your home. We are so confident in the longevity, all our installations come with a reliable 10 year guarantee.

Double Glazed Windows Cornwall

Double Glazed Windows

Upgrade your Cornwall home with out range of double glazed windows. We offer a range of different styles, all of which can be adapted to modern or traditional homes. From sliding sash designs to bow and bay windows, we will have a high quality window for you. We even offer aluminium windows if you want something more modern for your home. No matter the design you choose, these double glazing designs come with a range of fantastic benefits. Crafted using high grade materials, these installations can enhance the thermal efficiency, security and weatherproofing of a Cornwall home.

Double Glazed Doors Cornwall

Double Glazed Doors

It is important your front door makes a positive first impression. It is the first thing people see when they visit and could boost the market value of a build. We offer a versatile selection of designs that make the ideal front and back door installation. All our doors are energy efficient as standard, helping your space better retain heat and creating a consistently comforting Cornwall home. Made using modern uPVC, aluminium or composite materials, you can rely on these doors to keep your home, loved ones and belongings protected.

Frequently Asked Questions

Can double glazing reduce condensation?

Is it worth replacing double glazing?

How long will my double glazing last?

Get in Touch

Get in touch today to learn more about our products, services and prices.

Contact Us

View Finance Offers

Transform your home and spread out the cost in a way you can afford.

View Finance Options