Sliding Sash Windows

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Beautiful new sash windows for your home

Retain the beauty of period homes
Made-to-measure - no jams or rattles
Energy efficient & weather resistant
Low maintenance uPVC option
Guaranteed for peace of mind

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Explore sash windows by material

Timber sliding sash window — Timber Sash ❯

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Sash windows – a traditional look without the traditional drawbacks

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.

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Traditional, durable and energy efficient

Everest timber sash windows offer the ideal balance of traditional wooden sash windows combined with the durability, energy efficiency and reliability that comes with buying Everest windows and doors. Precision-crafted for a perfect fit, they also come with a 30 year guarantee to give you peace of mind that they'll last for decades.

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Double glazed wooden sash windows to keep you warm

Everest's superior double glazing, advanced locking mechanisms and weather resistant seals mean your Everest timber sash windows will keep the warmth in and the cold out, as well as reducing the noise from outside.

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Easy does it

These are vertical sliding sash windows made from uPVC. As well as sliding, they tilt for easy cleaning, although uPVC has the advantage of needing little or no maintenance. The frames are also guaranteed for life against fading or discolouration.

Project: Hampton Court
Garden by: David Domoney
Photographer: Richard Lee

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Uniquely low rated

Our uPVC sash windows all feature A+15 rated double glazing, a score that our competitors simply cannot match. That way your home doesn't just stay warmer, you also get a nice warm feeling from the much lower energy bills associated with them. Perfect!

Project: Hampton Court
Garden by: David Domoney
Photographer: Richard Lee

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Flexible from top to bottom

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. As with all of our timber windows, a beautiful bespoke design like this can be installed within as little as six weeks.

Project: Henley House
Styled by: Ann Broad

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Even our guarantees look good

This is a timber sliding sash window in softwood, which comes in a wide variety of colour finishes. We also offer hardwood options, complete with a choice of stained finishes. All of our timber sash windows have a 30-year guarantee against rot and fungus, plus a 10-year guarantee on the whole window and installation.

Project: Henley House
Styled by: Ann Broad

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Safe and secure

Here you can see the ring pulls and key-lockable traditional style fitch locks. These are in chrome, but different options are available. Like all of our windows, these are securely beaded to prevent the glass being removed from the outside.

Project: Henley House
Styled by: Ann Broad

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Natural warmth, plus a little help from us

This is a hardwood timber sash window, with a beautiful stained finish. The timber frames naturally retain heat, while the 20mm gaps between the panes of the double glazing keep out the cold and draughts.

Project: Marlow House
Styled by: Ann Broad

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Extra touches that add so much

Here you can see the wonderful richness of the mellow teak stain, just one of the finishes you can opt for. The main picture shows the decorative horn design in the corners, while the pictures on the right show the durable and effective cords and weights system.

Project: Marlow House
Styled by: Ann Broad

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The benefits of Everest sash windows

Outside view of white uPVC sash bay windows on a home

Adds authentic charm

One of the main reasons for choosing sash windows is the aesthetic value they add to a property. Sash windows will preserve the classic look and historic charm of period properties, whilst giving you the benefits of modern window technology to help keep your home warm, quiet and more secure. Not only do they complement classic styles and retain the beauty of Georgian, Victorian and Edwardian properties, sash windows can be also fitted into a variety of properties including modern day new builds. Everest sash windows are available in timber, finished with a choice of paint or stain to highlight the beauty of the grain, or alternatively in uPVC, available in foiled woodgrain finishes to replicate the natural grain of wood windows and we use a product specific trim around the edge of windows for a neater finish.

Longevity and easy maintenance

Sash windows are hung from the top corners, rather than from the side like a hinged window. This makes them less likely to distort under their own weight so they will have a longer lifespan. Our beautiful sash windows require minimal care and maintenance to keep them looking and working in premium condition for a lifetime. Our uPVC sash windows in particular, are virtually maintenance free and will never rot, rust or flake. For timber sash windows, out wood is laminated and engineered for added strength and durability, and our painted options are finished with high quality microporous paint, for optimum, long-term resistance to the elements and easy maintenance.

Close up of the sash lift on a uPVC sash window from Everest which is virtually maintenance free

Close up of a white uPVC sash window with one sash open to give ventilation

Practical design

Sash windows are as practical as they are stylish, as they can be narrowly opened at either the top or bottom for ventilation without the issue of rain blowing into the room. For security, the frame has restrictors so the window can be opened slightly without leaving your home completely vulnerable and several other security features including key-lockable, ‘Secured by Design’ accredited fitch locks, ensure they are safe, secure and reliable. Our sash windows are designed and sealed against draughts and damp air so energy efficiency is not compromised either. Made-to-measure for a perfect fit and A rated for thermal performance, our sash windows have multiple weather seals and Low-E glazing which reflects heat back into the room, preventing heat loss and helping lower energy bills.

Popular Everest sash window options

A brass sash life on a white timber sash window from Everest

Hardware and finish

Our uPVC sash windows are available in a range of colours including uPVC foiled finishes and high quality paint and stain timber finishes. For the perfect finishing touch, our sash windows come with a choice of furniture and fittings in classic brass for a traditional feel or chrome for a more contemporary style.

Georgian bars

Create an authentic look with optional Georgian bars, which can either sit between your glass panes for easy cleaning or externally for a touch of authenticity.

A sash horn on a timber sash window painted in chartwell green

Sash horns

On the underside of the top sash section there is an optional component known as a horn. There are two types available; plant on horns and through horns. Through horns offer a richer more authentic aesthetic with the bottom section “butting” against the side sections.

A sash window with traditional cords and weights opening mechanism

Innovative mechanisms

The opening mechanisms on our timber sash windows are hidden, giving the windows a smooth, tidy appearance whether you select authentic cords and weights, or opt for the modern twist with spiral balances, which ensure the window opens smoothly. The spiral balance allows for a thinner profile which means more light and warmth.

Part of a stained timber sash window which shows the beauty of the grain

A choice of timber

Our timber sash is available in Softwood (European Redwood) or Hardwood (Red Grandis) - both of which are responsibly sourced and accredited by the Forestry Stewardship Council (FSC). Our wood is laminated and engineered for layers to specially bond together adding strength and rigidity. For even further durability our softwood is finger jointed to eradicate knots and resist twisting.

Guaranteed for peace of mind

Everest sash windows are fitted with a 10 year guarantee against fog and condensation between the panes, 30 years against rot of timber and fungal attack and 10 years on the whole window including foiled finishes and hinges. Plus, we also offer a 10 year against flaking and discolouration on white uPVC and 5 years against peeling and cracking on timber.

Sash window FAQs

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Q. What are the main reasons for considering a sliding sash window?

Their beauty and convenience. They possess a stunning look and are easy to clean, with the uPVC option particularly low maintenance.
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Q. Are sliding sash windows easy to operate?

Yes. Our timber sliding sash windows have a spiral balance mechanism for easy smooth operation and our uPVC has both lift hook and pull handle options, so opening and closing your windows is incredibly easy. able to tilt and slide them makes them very easy to clean, with the uPVC option offering particularly low maintenance.
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Q. How do the sliding sash window restrictors work?

The tilt restrictor in our uPVC products holds the window in a tilted position, making it really easy for cleaning. With the sash timber option, the cords and weights mechanism holds the window firmly in place until you wish to move it.

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Windows advice and inspiration

Read our expert advice from inspiring ideas and useful information to maintenance and tips for caring for your windows.

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Sliding Sash Windows

Beautiful new sash windows for your home

Explore sash windows by material

uPVC Sash ❯

Timber Sash ❯

Sash window gallery

Sash windows – a traditional look without the traditional drawbacks

Traditional, durable and energy efficient