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Flush Sash Window

  • Provides the appearance of timber without the required maintenance
  • 'A' energy rating
  • Wide range of colours and styles to suit all properties
  • 10-year insurance-backed guarantee
  • Manufactured to the highest security standards
  • Complete weatherproofing against all the elements
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Our flush sash windows come in a range of styles and colours to suit all homes

Whether your home is a traditional country house or modern city flat, our flush sash uPVC windows bring elegance and quality into every home. Designed to match the appearance of traditional timber, the flush sash has all of the style with none of the setbacks. Using equal sightlines, the window frames appear the same width, to give your property an understated symmetrical perfection. With the option for mechanical joints, you won’t find a window that looks so simple yet so flawless. And each one is designed to your exact specifications.

Our flush sash window systems offer you the very best in performance and style, with a range of colours and glazing options to suit your needs. Whether you want traditional timber style joints and cottage bars, or contemporary equal sightlines and modern handles, our flush sash window system will be a stunning addition to your home.

Our flush sash uPVC windows are ideal for period properties as they replicate the appearance of timber, without the maintenance. They may be modern, but they’re sure to fit any aesthetic. What’s more, they’re energy efficient, so they’ll help reduce your heating bills! Plus, we offer a 10-year guarantee, backed by the Plastics Window Federation, for complete peace of mind.

We cover the Midlands and Northern Ireland With headquarters in Derby as well as offices in Belfast, we are ideally situated for all of your home improvements needs. Sound good? Request a free, no-obligation quote today!

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Benefits of Emerald Flush Sash

Safety and security are of paramount importance to us, and that's why our windows conform to all British safety standards. We’re part of the Secured By Design initiative, and all of our windows have unique 14-point locking systems.
Energy saving
Our windows have an 'A' energy rating and improve the energy efficiency of your home, as well as saving you money on your heating bills by reducing the amount of energy you use.
Noise reduction
Keep unwanted noise where it belongs – outside! Our uPVC double-glazed windows ensure that you can enjoy peace and quiet in your home at all times.
Our flush sash windows are perfect if you’ve got an older property as they’ll match the appearance of timber. The high-quality materials mean they’ll also stand up to whatever the British weather throws at them, without rotting, rusting or warping!

Our Locations: Flush Sash Windows in Derby, Leicester & Belfast

Our reputation in Derby and the surrounding areas makes us a smart choice if you’re looking for new flush sash windows.

Windows in Derby

Our experienced Leicester team are on hand to cover all your flush sash window needs!

Windows in Leicester

From start to finish, our Belfast experts will get your new flush sash window installation spot on.

Windows in Belfast

Read these reviews and more on our Derby Google reviews page, our Northern Ireland Google reviews page and our Thomson Local logo page.

Our Accreditations

When you buy an Emerald product you can rest assured that you are in the safest of hands. We are a member of FENSA, Trust Mark, The Guild of Master Craftsmen, the PWF (Plastics Window Federation) and many more. Being part of these initiatives ensures that Emerald operate to the strictest industry standards and that no corners are cut.

Guild of Master Craftsmen
Plastics Window Federation
Secured By Design
Trust Mark

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