Replacements for uPVC Casement Windows

Thermally efficient, competitively priced and easy to maintain, uPVC became the most popular material for replacement windows in the 1980s. It now accounts for almost 75% of the 12 million windows installed in British homes every year. But while they excel in many areas, conventional uPVC casement windows seriously lack the good looks of sliding sash windows.

To compound the problem, many properties that were designed to house sash windows had their original windows taken out, in favour of modern uPVC “mock sash” casements. People were wowed by the low-maintenance, security and most of all warmth of modern uPVC windows, forgetting all about the aesthetics in the process.

Now, many homeowners are looking to reinstate the classic looks and heritage appeal of their properties by installing new sash windows. By choosing premium uPVC sash windows, it’s possible to restore a house’s traditional appearance, all the while retaining the high thermal and acoustic performance of uPVC frames.

Get a quote

Typical uPVC Casement Windows Provides high securityand insulation Low Maintenance Narrower OpeningFunctions Visibly WeldedJoints

Bringing authentic period character to any type of home

Casement windows are functional in their design and make very good windows. But for heritage properties in particular - whether Victorian terraces, Georgian houses or 1930s semis - casement windows just don't do them justice. With the Rose Collection, you can have replacement windows that deliver all the benefits of modern uPVC, with the kind of elegant aesthetics once only found on classic timber products.

If you're looking for more information, take a look at our helpful blogs about uPVC casement and sash windows:

Rose Collection uPVC Sash Windows Smooth Sliding SashAllows For BeautifulViews Authentic FeaturesWith Modern Materials Woodgrain Finishesand TraditionalHardware Seamless Welds& Mechanical Joints

Why Rose Collection is the perfect replacement for uPVC casement windows

  • Classical window style dating back to the 17th century, ideal to reinstate a lost heritage style
  • Just as low maintenance as any other uPVC windows
  • Exceedingly slim sightlines for beautiful outside views
  • Smooth upwards sliding sash for increased ventilation and breeze
  • Classic white, woodgrain or other colour frames
  • Range of traditional ironmongery and window hardware
  • Enhanced security for peace of mind
  • Highly energy efficient with an A Windows Energy Rating as standard

Get a quote

Choose the right uPVC replacement windows

Traditional uPVC Sash Windows - Ultimate Rose Ultimate Rose - uPVC Sliding Sash Windows


The epitome of our design philosophy, each Ultimate Rose window is painstakingly detailed and virtually indistinguishable from a classic timber sash.

View Ultimate Rose
Traditional uPVC Sash Windows - Ultimate Rose Heritage Rose - uPVC Sliding Sash Windows


With a key eye for authenticity and sleek sight-lines, more and more people in the UK are choosing the Heritage Rose for it's vintage style and performance.

View Heritage Rose
Traditional uPVC Sash Windows - Ultimate Rose Charisma Rose - uPVC Sliding Sash Windows


Our most competitively priced timber effect sash window. The Charisma Rose is hugely versatile with more contemporary styling and extensive hardware options.

View Charisma Rose

Sash window replacements for old uPVC windows

Our vertical sliding sash windows come as a result of 30 years of product development, designed to emulate the charm of a classic timber vertical sliding sash window down to the finest details. That naturally means they fit well when used on traditional properties – but they’re also the perfect choice for taking a property back to how it should be after inappropriate replacement casements have been used in the past.

Take a look at our installation pictures and see how Rose Collection sash windows can truly help properties achieve their heritage potential.

uPVC Sash Window Online Designer

Design and save your sash windows online

Use our custom Rose Collection sash window builder to design your own uPVC sash windows online. Choose between our fantastic range of traditional colours, unique hardware and heritage features to create the perfect windows for your home.

Begin designing
uPVC Sash Window Colour Matcher

Get perfect colours with our colour matcher

Discover the ideal window colour and finish for your home by using our quick and easy online colour matcher. Choose between our range of superb finishes and compare them against your selection of property exteriors to get your best match.

Start Matching

Read our latest customer Trustpilot reviews