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Why Choose Us?

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Heating Efficiency

Our uPVC windows can provide your home with a highly insulating property that can lower your energy bills and reduce your carbon footprint.

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Safer Home

All our uPVC windows are designed to conform to the highest security standards. Tested and accurately measured to give you peace of mind that your family and home in Sidcup are protected.

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Modern Technology

Here at Thermaframe, we only work with the very best modern products and materials. This ensures you receive the best possible quality for all our home improvement products.

Variety of Styles

We have a variety of uPVC window styles in different designs. Whether you are opting for a traditional, timeless style to suit your classic property or something more modern, we have a style to suit your home.


Casement windows

A casement uPVC window offers a classic, timeless style for traditional homeowners. These casement windows can be fitted in a wide range of configurations that work in compliance with building requirements such as side hung or vertically hung.

In addition to standard casement uPVC windows, there are also French casement windows. These differ slightly, in that they offer a unique design with a European aesthetic. French windows are suited to be installed in both modern or traditional properties.


Tilt and Turn Windows

Tilt and turn uPVC windows are like the look of a casement style window. However, they offer additional functionalities. Tilt and turn windows have an intelligent design that allows you to tilt the window open wider for extra ventilation.

These designs provide a modern look with minimal maintenance required. They are the perfect solution for homeowners wanting a high quality finish that lasts a lifetime.


Sliding Sash and Flush Sash Windows

Sliding sash and flush sash uPVC windows offer modern aesthetics with contemporary features that combine to make a high performance profile. These window designs have been tested to ensure they provide the highest level of thermal efficiency, security and durability.


Bow and Bay Windows

Bow and bay windows make a stunning addition to any home. With their large glass panes, they can let in significant natural light into the house. This offers a more spacious feel, and with their arc shape, can make any room feel bigger.

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Windows to Suit Any Sidcup Home

uPVC window designs can be matched to any property style in the Sidcup area. uPVC does not require repainting, and with minimal maintenance, they can look brand new after a simple wipe.

Further benefits of their low maintenance properties are highly secure locking mechanism that they are created with. This mechanism makes a safe and secure window option to install in your home.

These windows benefit from generous double glazing that draws in more natural light, making the room feel larger and more spacious.

The wide range of styles we have available with their customisable options, ensures homeowners have a variety of choices that can blend seamlessly into their property.

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.

Customise Your uPVC Windows

Our windows benefit from being customisable, to ensure that you can find the right size and style for your property type. Here at Thermaframe, we can advise you on the best configurations to suit your home for the space you have available. Our windows are available in a variety of colours and finishes, to allow you to create the perfect look to match your taste.

What Do We Offer?


Configurable Options

Customise your uPVC window to suit your property style to the exact way you want. From the colour to the finish, as well as the performance of your window.


Beautiful Design

Our options prevent you from compromising on the style of your window to achieve the right functionality. With their superior and stunning appearance, our windows have undisputable style.


Reliable Operation

All our windows can withstand an extensive amount of use from your family and the weather. These windows are designed to last.


Thermal Performance

Our windows have multi-chambered profiling which traps warm air to give your home with better insulation. They give you a warmer home with lower energy usage, helping reduce your energy bills.


Expert Installation

Thermaframe have been professionally installing uPVC windows for many years, so we know what It takes to get the most out of your window from the installation.


Saving Money

Overall, our windows can save you money in your home. Through their expertly designed profiling and stunning appearance, our windows are a worthwhile investment.

uPVC Windows Prices Sidcup

Have you considered one of our uPVC window styles for your Sidcup home? Here at Thermaframe, we provide only the highest quality uPVC products with competitive pricing. Start your free online quote today and begin the journey to create your dream uPVC window.

Call us on 01959 534 720 if you have any questions about our uPVC windows. Or contact us via our online contact page. We will be happy to help with any query you may have.

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