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Benefits of uPVC Sash Windows

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Long Lasting Quality

Our uPVC sash windows are supplied by market leaders Masterframe. With this, you can rest assured knowing that your new additions to your Dartford home are made to the highest standards and will last for decades to come.



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Highly Secure

Featuring advanced double glazing and a strong uPVC frame, our sliding sash windows are inherently robust and can withstand great force. With the double glazing securely inserted into the frame, you can rest assured that your new windows will not have any weak points that could be leveraged.

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Bespoke Design

To ensure that we can provide our valued Dartford customers with a home improvement solution that is bespoke to their needs, our uPVC sash windows come with a range of customisable features. With a wide selection of different colours, finishes and woodgrain foils to choose from, we are confident that we have something for everyone.

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Here at Sutton Windows, we are proud installers of Masterframe’s uPVC sash window range in Dartford and the surrounding areas. These windows feature a timelessly elegant design that stands out from other window styles on the market. For homeowners looking to add chic style to their property, these windows are the ideal solution.

Sliding sash windows were historically made from wood. Although this created a certain authentic timber allure, these windows were renowned for their poor performance. For years homeowners had to sacrifice performance for style, but now thanks to Masterframe you can have both! Carefully designed to replicate authentic timber appeal, these windows are a true work of art.

Once installed to your home, you will benefit from a range of high performance benefits. This includes thermal efficiency, security and weatherproofing. Your home will be enhanced in every way possible!

If you would like to speak to a member of our team about our sliding sash windows, please get in touch with us today! We would be delighted to listen to your requirements and find a uPVC window style that suits your Dartford home.

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Why uPVC Sash Windows?

uPVC offers a true upgrade from timber, whilst still being able to create the charming authentic allure. When you opt for a uPVC sash window, you will receive all the same benefits of the timber counterpart with none of the disadvantages. Years of design perfection has gone into creating these windows, and it is easy to tell!

uPVC also allows for a level of customisation to be achieved that timber would not allow for. Painted timber windows previously had to be constantly repainted and varnished after exposure to wet weather. This could not be farther from the case with uPVC. Completely weather resistant, minimal maintenance is needed to care for our sliding sash windows. This allows them to come in a variety of different colours to suit all homes!

uPVC Sash Window Styles

Our commitment to exceeding our customers’ expectations has led us to partner with Masterframe to supply our customers with their incredible Bygone collection. This consists of three main double glazed styles that can be installed to homes across Dartford. No matter which style you opt for, you will benefit from performance and functionality as standard.



If you are looking for a superior design option, the Symphony is the right choice for you. Designed to be a complete replica of authentic timber sash windows, the Symphony is perfect for heritage and conservation homes that require timber replica windows. These windows offer the highest levels of security thanks to steel reinforced sashes.



The Harmony sliding sash window features a more fluid design. Coming with a range of different design features, Harmony sash windows are perfect for those who want a window tailored to their property in every way! While offering such customisation, these windows are also extremely affordable to all.



If you are looking for an all-round performer that will be a benefit to your home in every way, look no further than the Melody. This cost effective double glazed window offers style and function for an affordable price. If you opt for the Melody you will benefit from the same frame and sash profiles as the Harmony and Symphony, but with less additional features.

What Do We Offer?

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PAS24 Tested

Feel confident knowing that your new windows have been tested against the strictest security standards. Keep unwanted visitors out.

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Health Benefits

uPVC sash windows offer natural ventilation sure to improve the air quality within your home. This will prevent any mould or damp issues and aid breathing.

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Eco Friendly

Our sliding sash windows are made using 100% recyclable materials, ensuring that they can be repurposed at the end of their lifespan. As strong insulators, you will also find yourself using less central heating which will reduce your carbon footprint.

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Made To Measure

These windows are precision engineered to meet the needs of your Dartford home. Our experienced team of installers will fit them with care. We aim to do this with minimal disruption to your daily routine.

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Energy Efficient

As mentioned, our uPVC sash windows are great insulators, trapping warm air within your home and preventing cold transfer in. No matter how cold it is outside, your home maintain a comfortable temperature all year round.

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Full Support

As your trusted local installers, we want to work with you in a collaborative fashion. By working closely together we can ensure a consistent vision is kept, resulting in the windows of your dreams!

uPVC Sash Window Prices Dartford

If you would like to receive a free quote for our sliding sash windows, please take a look at our online designer tool. Here you can browse our entire range of products and customise them to your taste. At the end of the process, you will receive a bespoke quote.

If you prefer you may also call us on 0800 212 289 or fill in our online contact form. We would be more than happy to answer any questions and get your next home improvement project started.

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