Sash Windows for New Builds

Whether you’re looking for windows for your self-build project or specifying for a large new build or commercial project, uPVC sash windows are a fantastic option. The box sash window is perfect for properties designed with heritage style in mind, especially “new build old style” homes. Georgian or Victorian, farmhouse or townhouse – no matter which is your chosen design, uPVC sash windows can be tailored to your project – with as great a degree of customisation as if sourced from a joinery.

uPVC is the perfect modern material for a contemporary build, delivering high energy efficiency and acoustic insulation. The Rose Collection is a premium range of uPVC sliding sash windows that has been specifically engineered to meet the demands of 21st-century living, balancing authentic looks with exceptional performance benefits. Available in three distinct models, Rose Collection sash windows can be supplied to a high-level specification (Ultimate Rose) or with a simpler design for projects where costing is key (Charisma Rose).

Get a quote

Traditional styling for your new home Give your new homean authentic charm Traditional featureswith modern materials A rated glass asstandard, reducingfuture energy bills Slim sightlines for asleek, defined look

Period styling meets contemporary, high performance materials

With 30 years of intense product development, Rose Collection uPVC windows are widely recognised as the most authentic timber-replica uPVC sash windows on the market. With remarkably slim sightlines that create a sleek, defined look, they make for a stylish addition to any new build home.

A rated as standard, Rose Collection sash windows deliver warmer homes, reduce energy loss and lower heating bills. They’re also some of the most secure on the market, thanks to robust, efficient locking mechanisms and optional Secured by Design accreditation.

If you're looking for more information, take a look at our helpful uPVC sash windows for new builds blog.

Modern performance and functionality Smooth sliding sashallows for beautifulviews Part Q & Securedby Design options Huge range of framecolours and finishes Seamless Weldsor Mechanical Joints

Why Rose Collection sash windows are the perfect choice for new builds

  • A Windows Energy Rated for high energy performance
  • Triple sealed to prevent draughts
  • Exceedingly slim sightlines for maximum light
  • Ultra secure, with optional Secured by Design accreditation
  • Low maintenance materials
  • Choice of frame colours and finishes
  • 3 distinct window models to choose from
  • Range of period features and ancillaries: deep bottom rail, run-through sash horns, astragal bar designs, heritage ironmongery

Choose the right sash windows for your new build project

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 windows for new properties

Rose Collection sash windows are designed to replicate traditional timber windows, with the same high attention to detail and period features as a handcrafted window. The Ultimate Rose window has even been used in over 50 conservation areas, so similar is it to a timber sash window.

Take a look at our gallery of new build installations to see just how faithful Rose Collection sash windows are to the traditional sash window style.

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



Sash Windows

Download Infographic