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Sash Windows Prices Sidcup

High Energy Rating

Our sash windows ensure your home benefits from the highest level of thermal efficiency.

Sliding Sash Windows Sidcup

High Security

Our uPVC sliding sash windows can be upgraded to conform with industry-leading security standards.

uPVC Sash Windows Sidcup

Advanced Designs

We work with premium grade materials to provide your home with the best quality uPVC sash.

uPVC Sash Windows in Sidcup

uPVC Sliding Sash Windows

Our uPVC sliding sash windows provide modern-day performances for your home in Sidcup, while still offering classic aesthetics. Allowing you to achieve the look and security that you require for your home without the worry of compromising on performance or style. Our sliding sash windows offer high levels of protection for your home and achieve contemporary techniques for a high performing profile.

uPVC Flush Sash Windows

Our uPVC flush sash windows are a popular choice among Sidcup homeowners due to their beautiful traditional design style. Their design is achieved by adopting a conventional 19th-century sash window frame, combined with the modern technologies of contemporary double glazing. Our flush sash windows are an excellent value for money with their versatile aesthetics and low maintenance properties. They can open vertically at the top and horizontally at the bottom, with their incredibly secure sashes and locking mechanisms.

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Benefits of uPVC Sliding Sash Windows


Thermal Performance

Our uPVC sliding sash windows offer a highly thermally-efficient window, from its multiple chambers and energy efficient glazing style.


Heritage Features

Transform your home with our sliding sash windows with their heritage, traditional design. Make more out of your home.


Colour Options

Our sash windows come in an array of colours and foils that can perfectly match the features that your property has.


Stunning Sightlines

Open up the view from your home by having sleek, slimline profiles, to reduce the bulk of a wider surface area of glazing.


Low Maintenance

Little maintenance is required to upkeep the standard of our uPVC sash windows. Keep them looking fresh with an occasional wipe.


Design Flexibility

We offer several design styles for our sash windows that can each be customisable to suit your home style.

Benefits of uPVC Flush Sash Windows


Traditional Style

Our windows offer a traditional aesthetic of a timber window while providing modern performances.


Reliable Operation

Even after extensive use, our window handles are designed to remain fully secure and functional.


High Quality

All our window frames are fabricated using high quality manufactures and precision-engineered uPVC.


Low Maintenance

Both our flush and sliding sash windows prevent you from having to do much maintenance to keep your windows looking new and clean.


Thermal Efficiency

Due to their multi-chambered uPVC profiles, our flush sash windows are highly thermally efficient, achieving fantastic energy ratings.


Colour Options

Our flush sash windows come in a vast array of colour options and finishes that perfectly complement your home.

Why Choose Our uPVC Sash Windows?

uPVC is a material that can be used for a wide range of home improvement products, from windows to doors to conservatories. This material is popularly used due to its thermal and acoustic performance that provides homes with a durable, weatherproof product.

Our uPVC sash windows offer a classic design that when combined with modern functionalities, can make them achieve superior levels of thermal efficiency. Their design helps to maintain a warmer home, which in time will help to save you money on energy bills.

uPVC is also an excellent soundproofing material, which makes it a perfect profile for our sash windows. It helps to reduce exterior noise pollution from affecting the inside of your home in Sidcup.

As well as being fully soundproof, uPVC is an exceptionally durable material. This makes for a secure and study profile for a window, providing you with a perfect window choice for your home. With its high quality glazing and sturdy, robust profile, uPVC eliminates draughts and other weather conditions from affecting your home.

Your home’s security is an essential factor to consider when choosing to upgrade the windows in your home. With a high quality locking mechanism, our uPVC sash windows can provide high security to your home.

Customise Your Windows

Our sash windows come in a variety of designs and styles, making them a popular choice among homeowners. Flush sash windows have proven very popular with homeowners who want a beautiful, yet traditional design. Achieve a period look with modern innovations or a classic aesthetic, with either of our sash window styles.

Areas We Cover

We are proud to offer high quality home improvements for all homes throughout Sevenoaks, Tonbridge, Tunbridge Wells, East Grinstead, Kent and Surrey. Whether your home is modern or traditional, we’ll be able to accommodate. Get in touch today for our highly competitive double glazing prices.

uPVC Sash Window Prices Sidcup

Are you looking for uPVC sash windows for your Sidcup home? Look no further and choose Thermaframe. We provide excellently competitive pricing on our sash windows. Start your free online quote today and obtain your free quote.

Call us on 01959 534720 or contact us via our online contact form and receive a call back within minutes! Whatever your question or query, our team on hand to support you. Begin your journey to transform your home with our sash windows.

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