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Advantages of uPVC Sash Windows

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Outstanding Durability

You can trust our uPVC sash windows. Manufactured to the highest standards by market leaders Masterframe, our windows outlast the elements and stand the test of time. Integrated modern technology ensures our windows perform to keep your home dry and warm.



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Uncompromising Security

Advanced double glazing set in a sturdy uPVC frame ensures your New Malden home will be at its most secure. Our sash windows are designed to keep out intruders and absorb high impact forces. Rest assured that the best modern technology has to offer is protecting your home.

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Customised Beauty

We are proud to offer a wide range of styles, colours and finishes to suit every homeowner. We know how important it is for your house to look and feel great, and we won’t stop until we find the right style for your unique vision.

uPVC Sash Windows New Malden

We are here for you in New Malden to install the best quality uPVC sash windows on the market. Renowned for their style, weather-winning performance and trusted security, Mainframe’s range of sliding sash windows will make the perfect addition to your home.

We at Sutton Windows are proud to install these market-leading windows in a smooth, professional way that always puts your needs first.

Take confidence in our uPVC sliding sash window design, which honours the traditional timber aesthetic of the past but integrates modern technology to ensure high performance. This means lower heating bills in the winter, and you stay warm and secure in your home.

Our advanced double glazing transforms your windows into a thermal barrier, trapping warm air inside your home. They prevent draughts and keep damp and mould away. Furthermore, our uPVC sash windows come in a beautiful range of colours and finishes, so you’ll be certain to find the style that suits your New Malden home. Get in touch today to find out more.

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The Case for uPVC Sash Windows

It’s no secret that uPVC sash windows are one of the most desired products on the market. Perhaps that’s down to their unrivalled marriage of traditional style and modern technology. Unlike the old timber frames, uPVC design guarantees high performance in every situation, while retaining a timeless style that everybody knows and loves. Easy maintenance, safe and secure, traditional beauty – uPVC sash windows are clear winners.

uPVC Sash Window Styles

We are pleased to offer all our valued customers Masterframe’s beautiful Bygone collection, which features three stunning sliding sash window designs.


True to its heritage, Symphony encapsulates the traditional timber design, coupled with modern, innovative technology. Guaranteed to provide you with the highest performance all year round, this style is a perfect fit for heritage properties. Symphony is also easily installed into homes with conservation orders that require replica timber windows. Included are steel reinforced sashes giving your home the complete package.


Highly versatile and easily customised, Harmony offers that traditional aesthetic combined with modern functionality. Harmony blends well with both modern and heritage homes and is available at multiple price points, offering something for everyone.


Cost-effective without compromising on performance or security, Melody features durable double glazing and a modern uPVC frame. This style embodies functionality at excellent value for all homeowners in New Malden.

Extra Benefits

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PAS24 Tested

All our uPVC sash windows are put through the most rigorous safety and security tests. They are PAS24 accredited, giving you peace of mind that your home is protected to the best standards.

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Good Health

Establish a well-ventilated home with our sash windows that open wide and let the fresh air in. They keep damp and mould away and ensure you stay warm and safe in winter.

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Eco Friendly

uPVC sash windows are constructed with 100% recyclable materials and can be repurposed if you ever choose to have them replaced in the future.

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Made To Measure

Precision engineered to exacting standards, we guarantee to install your new uPVC sash windows to meet your expectations and pay attention to every detail.

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Energy Efficient

Reduce your energy bills with our cutting edge double glazing, helping you save money, keep warm and lower your carbon footprint.

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Customer Support

We are there for you once the job is done, offering full support with your new windows whenever you need it.

uPVC Sash Window Prices New Malden

When you are ready to begin your new home improvement project, please get in touch, and we will be happy to help.

You can fill out an online contact form or use our free online quoting tool to get a price on any of our products.

If you prefer talking, give us a ring on 0800 212 289.

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