Free, Instant and Competitive Double Glazing Prices!

Start Your Online Quote, Today.

Our Products

Why Choose Our uPVC Sash Windows?

Sliding Sash Window Prices Polhill

Well Crafted

Our premium sash windows are made from high quality uPVC instead of the traditional timber. This allows you to enjoy all the classic aesthetics with none of the durability, maintenance and weatherproofing issues.

uPVC Sash Window Prices Polhill

Energy Efficiency

These uPVC sash windows have been designed to deliver market leading levels of energy efficiency. uPVC is a natural insulator alongside the modern frame and robust double glazing, helping a building better retain heat.

Coloured Sash Windows Polhill

Long Lasting

uPVC sash windows are inherently durable and long lasting. Crafted using premium materials that are weatherproof and have been tested to handle adverse forces without flaking, cracking, warping or becoming discoloured.

uPVC Sash Windows Bromley

uPVC sash windows are an elegant double glazing solution for homeowners around the Bromley area. Sash windows were previously crafted from timber, which looks stunning but came with a range of performance issues.

We have partnered with a leading uPVC supplier to ensure you get a new window installation that delivers on both form and function. Enjoy an authentic look sash window with all the performance benefits of modern uPVC.

Working with Masterframe, we believe our customers should get the very best uPVC sash windows for their homes. They are designed using market leading technology and premium materials to deliver a secure, thermally efficient and weatherproof installation.

Our uPVC sash windows can be adapted to suit modern and traditional homes alike. For Bromley homeowners who want an authentically traditional looking installation, we also offer a range of woodgrain foils which mimic the look of authentic timber without the drawbacks. We also offer a range of more modern colours for contemporary properties in the area.

uPVC Sash Windows cost Bromley
uPVC Sash Windows installers Bromley

Benefits of Our uPVC Sash Windows


Thermally Efficient

Our uPVC sash windows have been designed to be thermally efficient. These designs work to trap heat inside a Bromley building, keeping your home comfortable all year round, no matter the reason outside. Pockets of cold air will be trapped, keeping it outside the home. This technology works alongside robust double glazing.


Classic Aesthetics

Due to their authentic aesthetics, our uPVC sash windows are the perfect installation for period properties, heritage homes and homeowners with rural aesthetics. They are also suitable for contemporary homes where you want to add a classic charm. Replace your outdated profiles with our windows without compromising on aesthetics.


Bespoke Designs

You have full control over the way these bespoke uPVC sash windows look and perform. Get a made to measure design that is unique to your property. Get a window that seamlessly blends into your existing architecture and double glazing or make a bold statement with one of our modern window finishes.


Range of Colours

We offer a broad array of RAL colours, making it easy to get the ideal installation for your Bromley home. We offer a broad array of bright, bold or neutral shades. We are on hand to help make your door dreams a reality. Get in touch with us today and we can help you achieve your goals with our customisation options.


Low Maintenance

Because our sash windows are crafted from uPVC, they are durable and need very little upkeep to stay looking as good as new. Unlike timber, our uPVC sash windows won’t crack, warp or distort when exposed to adverse weather conditions. With high quality finishes, these doors don’t need to be varnished or repainted with time.


Stunning Sightlines

Enjoy panoramic views of your surroundings thanks to the slim sightlines and expansive glazing. Our windows can handle vast panels without security and thermal efficiency being compromised. Enjoy a bright and welcoming home in the winter months and open the windows up wide in the summer months to ventilate your Bromley home.

uPVC Sash Windows Brochure

View all Brochures

Classic Sash Windows Brochure

View all Brochures

uPVC Sash Window Installation

Here at Thermaframe, we have over three decades of experience helping customers in the Bromley area. We offer a quick and swift installation, helping you enjoy your new window sooner. Our aim is to offer the best products for minimum stress.

Our team of certified workmen guarantee a home improvement service that is built upon professionalism and reliability. We’ll be on hand to help you with any queries you may have regarding our products or prices. From the moment you get in touch through to installation, we will be on hand to help.

upvc sash window styles bromley

uPVC Sash Window Prices Bromley

Get in touch with our team today to start your Bromley home improvement project. Leave us as much information as possible and we will be on hand to answer your queries, give impartial advice and help you get the best uPVC window for your window. You can also speak to our team directly by calling us on 01959 534 720.

If you would like to receive a price tailored to your needs, please use our innovative online quoting tool. This costing tool is free and easy to use, providing you with a zero obligation quote at your own convenience.



Start Your Quote

Double Glazing Quote

Start My Quote

Get a Zero Obligation Online Quote Now!

Start My Quote
conservatory expert form Kent

Contact Us

Get in touch to get a Free Quote!

Contact Us

Latest News

aluminium bifold doors chislehurst

Aluminium vs uPVC: Which is Better for Windows and Doors?

Choosing the right material for your windows and doors can be a challenging decision. Aluminium and uPVC are two popular options, each with their ...

conservatory roofs orpington

Choosing the Best Roof for Your Conservatory

When it comes to selecting the ideal roof for your conservatory, there are several factors to consider. Ideally the best roof should incorporate ...

Replacement windows

The Lawns Project

We are extremely proud to announce that our sister company, Sutton Windows, were chosen by an exclusive Art Deco apartment complex in Blackheath ...

See More News

uPVC Windows uPVC Windows
uPVC Doors uPVC Doors
Composite Doors Composite Doors
Conservatories Conservatories
Aluminium Aluminium
double glazing sevenoaks Patios