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Made In Britain
We supply and install uPVC, aluminium and wooden windows in casement, sash, tilt and turn and bay window styles. We also offer secondary glazing for anyone in a listed building that can't install double glazing or triple glazing windows.
Everest triple glazing is one of the highest performing glazing units on the market with a 0.80 U-value making it ultra energy efficient. Our double glazed windows also have a low U-value. Choosing energy-efficient Everest windows can help lower your energy bills and reduce your carbon footprint.
We only use the best components to make superior quality windows and pay attention to all the details of our frames. Almost invisible corner welds, superior weather tight seals, an extreme multi-point locking system for enhanced security and a trickle vent which has noticeable noise reduction on previous vents. All Everest windows are tested to the latest British Security Standards with Secured by Design and PAS 24 accreditations.
We make replacing your windows as easy as possible. We can help you choose the right style and fittings in a design appointment and take care of everything from start to installation finish. All Everest windows are bespoke, made to order in the UK and installed by our team for a perfect fit and finish.
Our high-quality double glazed windows will keep your home warm, safe and quiet.
Our triple glazed windows are our most energy-efficient, with an A++ energy rating.
Secondary glazing is perfect for listed buildings to improve energy efficiency and reduce noise.
With the introduction of our new window range, we are offering a product that has superior energy efficiency, market-leading U-values and a drive towards sustainability that has not been widely available in the UK.
As the Future Homes Standards are introduced, the energy efficiency of a home and U-values for windows will become more important. At Everest, we believe that triple glazed windows will become a requirement in all new build houses as the standards for the fabric structure of buildings keep increasing.
Everest uPVC triple glazed windows and double glazing windows have a low U-value with triple glazing achieving a market-leading 0.80. The frame is made with recycled uPVC and most of the window can be recycled to reduce the impact on the environment.
By choosing Everest windows now, we will help you to future-proof your home with the best products for energy efficiency and the environment:
Take a look at some of our window installations. Click an image below to open the gallery.
Windows are an essential part of any home. That’s why ours are made-to-measure with all the options to help you create the perfect window for your home. Beautiful and practical, casement windows are the most popular choice and not only do they look stylish, but they are designed to keep your home warm, secure and quiet.
This uPVC casement window was designed with security in mind. They feature a multipoint locking system that securely fastens the window to the frame at multiple points, providing superior security compared to standard locking systems. Tested to meet the latest British Security Standards and accredited with Secured by Design and PAS 24, they offer enhanced peace of mind.
Not only is there a choice of double or triple glazing, you can also choose your glass. There’s obscure glass which reduces the level of visibility through the pane, or acoustic glass which reduces sound by up to 40dB ensuring unwanted noise is kept outside. Plus, we offer a range of decorative glass including coloured, leaded and bevelled designs.
When it comes to choosing windows many of us automatically think of white, but for some that just won't do. At Everest, we offer a beautiful range of colours and natural woodgrain finishes. You can even add a modern twist to your windows, with dual colours, complementing both the inside and outside of your home.
Our uPVC windows are available in a range of woodgrain finishes, which look as good as wood but have all the low maintenance benefits of uPVC. We use a foil - a form of laminate finish, to give the colour and texture of authentic woodgrain.
Our Smoothweld technology, available on uPVC casement, gives you an almost invisible corner joint. With clean, seam-free lines and no deep grooves that could harbour dirt, this option gives your home a beautiful, flawless aesthetic finish.
The sash on our flush casement windows close flush into the outer frame, so it sits in line with the face of the window, rather than standing proud. This means there’s no visible lip when looking at your window from outside, resulting in an attractive, aesthetically pleasing exterior appearance to your home and a modern look like the contemporary, slim styling of aluminium windows.
As well as making your windows to millimetre perfection, you can also choose where to place the handles. For example, at the bottom of the window rather than side mounted to make it easier to reach across a work surface. Our window handles are all made of metal to give a wonderful solid feel in the hand and they come in a range of finishes to complement your home.
Options such as Georgian bars create an authentic and stylish look for your double-glazed windows, adding character to your home – a classic choice for conservation areas. Our Georgian bars are available in a choice of colours, so they can tone perfectly with the chosen finish for your new windows.
Bay windows add a projection to the wall which can be stood in, adding a stylish look from the outside and providing a great place to sit and relax, whilst enjoying panoramic views of the outside. Adding the sense of space and offering more light, due to the extra panes, whilst becoming beautiful feature by proving charming character to your home.
For ventilation that you control, not to mention easy cleaning, our uPVC tilt and turn windows are a great option. Both windows open to the side, and they can both be tilted as well, which gives you less ventilation but more security. As tilt turn windows swing inwards, it means you can clean the outer glass pane from inside your house making it much easier and safer.
Here you can see what tilt and turn windows look like when side opened (right) and tilted (left) When tilted, they’re designed not to open too far – a security feature that means you can safely go out even with the windows partially open.
Wooden windows are a wonderful way to maintain the character of your home. Our timber casement windows are available in both Softwood and Hardwood, both of which are sustainably sourced and fitted with the latest A-rated double glazing.
If you opt for timber you can choose from natural stained finishes highlighting the beauty of the grain or classic paint colours, for a more contemporary finish, so you can always be sure that your windows will blend perfectly with your home, inside and out.
Our casement windows also come in Aluminium with a wide choice of colours, giving your home a wonderful modern look and slim profile. Aluminium offers low maintenance and regular sight lines are built in as standard. The narrowness of the design still allows for the Argon filled air gap between the panes and the multi-point locking system is designed to exceed British Standards.
Whether your home is Edwardian, Victorian or Georgian, sash windows are the natural choice for most period properties. They can also add a lovely traditional edge to more modern properties. Available in both uPVC and timber, our advanced sash windows are made to measure, so no worries about sticking, jamming or wobbling.
One of the beauties of sash windows is the flexibility they deliver, allowing either the top or bottom section to be opened, or both at once. Our sash windows are operated with a smooth-running mechanism whether you choose traditional sash cords or modern spiral balance technology.
Our uPVC sash windows offer a traditional look and feel combined with modern practicality. They’re low maintenance and so easy to operate as well. And as our tolerance for gaps is so low, there’s none of the sticking or wobbling you get with older windows – or those from certain other suppliers.
Secondary glazing is the perfect choice if you need or want to maintain your existing windows in place but are looking to keep out noise, draughts and the cold and enjoy extra warmth and comfort. The slightly foggy look you can see is down to the age of the original glass. The glass you essentially can’t see from this picture is our secondary glazing, and it’s even less visible from the outside.
Up close, you can see how our secondary glazing is fitted, with the addition of a slim second window to an existing window. It is a discreet and unobtrusive method of insulating and soundproofing windows, all the while you can practically forget that the secondary glazing is even there. As with all our windows we offer extensive guarantees which means peace of mind always comes as standard.
Our bestselling windows are highly secure, energy-efficient and virtually maintenance free as uPVC will never rot, rust or flake. With A++ rated triple glazing, you get our most thermally efficient and secure window ever.
Crafted to perfection from sustainably sourced hardwood or softwood and laminated for extra strength. The micro-porous paint and stain finishes help keep timber windows protected from the elements, so they look their best for years to come.
Add a contemporary style to any property, with our slimmest profile and range of modern colours. The slim frame and large glass area let more light flood into your home, while aluminium is so strong and robust, it requires very little maintenance.
Unsure what windows to choose? Let us help you find the perfect window style for your home.
When you choose Everest, not only do you make your home warmer and reduce your energy bills, but you also reduce your CO₂ emissions by consuming less energy to heat your home. We strive for an environmentally friendly manufacturing process and our new windows can be recycled at end of life to reduce the impact on the environment. We are committed to superior energy efficiency, market-leading U-values and a drive towards sustainability that has not been widely-available in the UK.
We source the best components and pay attention to the details that make the difference. Our window frames have almost invisible corner welds and superior weather tight seals. An extreme multi-point locking system for enhanced security that meets PAS 24:2022 and Secured By Design standards. And a trickle vent which has been acoustically tested to show an improvement of noise reduction from our previous vent.
With thousands of options to choose from, Everest windows are designed to meet your needs.
Over 20 stunning colours including woodgrain finishes on uPVC which look like real timber.
View Window Colours
Customise your windows with a choice of glass and glazing, including obscure, decorative, noise-reducing, double glazing or triple glazing.
View Glass Options
Our window handles and furniture are available in a choice of colours, so you can create the perfect look for your property.
View Window Furniture
Make your home warmer and save money on your energy bills with a FREE upgrade to Triple Glazing.
5 out of 5 on TrustPilot
I'm so impressed with how warm the house is now in the winter with the triple glazing, there is a definite difference from before. Mr G, Lincolnshire
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When replacing windows, always choose a style and material that is in keeping with the architectural style and age of your house. Read our buying guides that will help you to choose the right windows for your home.
Our guide to the cost of new windows to help you budget.
Choose windows based on the age and architectural style of your house.
Everything you need to know about buying new windows for your home.
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Made in Britain is an initiative set up to highlight the importance of products being manufactured in Britain.
Certified to ISO 9001, the most recognised quality management standard from The British Standards Institute.
Quiet Mark encourages companies to prioritise noise reduction and find solutions.
Secured by Design is a UK police initiative promoting products that help reduce crime.
FENSA have accredited Everest's installation of replacement windows, doors and rooflights in existing dwellings.
The BFRC is the premier UK authority for independently verified ratings of energy efficient windows and doors.