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Double Glazed Windows


  • Super thermally efficient
  • Bespoke range of glazing options
  • Low maintenance woodgrain available
  • Designs & styles for conservation areas
  • Long lasting & lifetime guarantees
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uPVC windows
uPVC ❯

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Secondary glazing
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Tilt and turn windows
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Dual turn windows
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Windows gallery

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Explore 11 different coloured uPVC windows

Available in single or 2 colour options, with a different colour on the inside and outside of your home.

  • White
  • White Woodgrain
  • Cream Woodgrain
  • Light Grey
  • Olive Grey
  • Chartwell Green
  • Natural Oak
  • Golden Oak
  • Rosewood
  • Anthracite Grey
  • Black Woodgrain
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The benefits of Everest Windows

Energy efficient door

Retain heat and eliminate draughts

Our double glazing achieves an A+ rating, with triple glazing rated A++ for even better energy efficiency. Our multi-chamber profile helps prevent heat escaping while the low-e glass reflects heat back inside. Between the panes is filled with Argon gas to stop cold air entering and the spacers are coated in a low conduction material to hold in more heat. We also use double weather-resistant Q-lon seals which keep a weather tight seal to keep out draughts. All this to keep your home warm and to help you save money on energy bills.

Keep your home safe and secure

Making sure you and your family feel safe in your home is our priority, which is why Everest works constantly to out-think burglars. Our windows are rigorously tested and are so secure they exceed British Standards as well as qualifying for Secured by Design – the official police security initiative. Then there's our most secure lock ever - GrabLock, which has been developed exclusively with lock experts Yale, so you can rest assured your home is offered the highest level of protection.

Energy efficient door
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Reduce outside noise

All our windows are bespoke and made-to-measure for a tighter fit. This not only keeps your home warmer and super secure, it also ensures that unwanted noise pollution is kept out, which is particularly useful if you live in a noisy area.

Guaranteed for peace of mind

We offer a range of comprehensive guarantees on our windows including lifetime against fog, condensation and discolouration. Plus, our guarantees are transferrable should you sell your property.

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Make your home safer with new GrabLock

GrabLock is our new window lock, developed exclusively with leading lock manufacturer Yale. It has 3 times the locking surface area of a standard, multi-point or shoot-bolt lock, making it our most innovative and secure lock ever.

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Craig Doyle introducing Everest Windows GrabLock from lock experts Yale

Improve the warmth and security of your home with an Everest makeover

Watch how we give some old double glazing windows an Everest makeover to make this home warmer, better looking and more secure. With the internal glazing beads, multi-point locking mechanism and bi-directional locks you can see just how warm and secure Everest windows make your home.

Triple vs. double glazed windows - what's the best option?

To demonstrate how Everest Triple Glazed Windows compared to standard double glazing, we conducted a thermographic survey to put them to the test.

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Our latest customer reviews

Inspiration from Everest

What makes a window energy efficient
What makes a window energy efficient?
Energy efficiency is measured by the WER rating made up of U value (low heat loss) ...

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What window material should I choose
What material should I choose for new windows?
Windows are available in a range of materials including uPVC, timber and aluminium ...

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What causes condensation
What causes condensation?
Condensation appears on a surface when it’s cold, due to factors such as outdoor weather ...

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Retain the look of my property
Do I have an obligation to retain the look of my property?
If you live in a listed building or conservation area you may need to retain the look ...

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How are windows made
How are windows made?
Understanding how windows are made is an important part of understanding what makes a good window ...

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What makes a window secure
What makes a window secure?
Installing secure windows in your home can significantly reduce the risk of break-ins ...

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What choice of windows glass are available
What choices of glass are available for windows?
When choosing windows there is a wide choice of glazing options and types of glass ...

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How to care for timber windows
How to care for timber windows
To keep your windows looking good for longer, maintenance of the coated finish is important ...

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We will call you back from 03331 372 134 shortly to confirm your booking. If you wish to check or amend your appointment in the meantime, please call our appointment hotline on 01707 877 313.

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