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uPVC Windows

  • A-rated windows
  • Local installation teams
  • Manufactured in the UK
  • Energy efficient & noise-reducing
  • 10-year, insurance-backed guarantee
  • Flexible finance options available
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Flexible payments available. 7.9% APR Representative.

Top-Quality Replacement uPVC Windows

If you’re looking for replacement windows, you’ve come to the right place. New uPVC windows can make your home feel like a different place. Today’s modern uPVC windows offer excellent thermal insulation and instantly enhance your living space.

An energy-efficient uPVC window can really make difference to your heating bills and save you money. The thermal efficiency of our double glazed units is second to none.

uPVC Window Options

uPVC (or unplasticised poly vinyl chloride) is more cost-effective than other window materials and it’s virtually maintenance-free. When you buy uPVC windows, there are so many options to choose from.

We offer a wide range of bespoke double-glazed uPVC windows in a range of different window styles. From uPVC casement windows to uPVC sliding sash windows, there’s a type to suit your property. There’s lots more to choose from too. Whether you’re looking for white or coloured uPVC windows, there’s sure to be something in our huge range to fit.

Our uPVC window styles will suit any home. We’ll discuss your options and give you a quote that meets your needs exactly. As we manufacture in the UK, made to measure uPVC windows can get the right fit in a new, old or self-build home.

Hardwood Window Options

Hardwood windows are classic and make a big difference to your home’s appearance. When it comes to window materials, it’s a personal choice. This durable material is highly energy-efficient and attractive too.

Choosing hardwood replacement windows for traditional properties helps to maintain a classic look. Wooden windows in styles like our flush sash, flush casement and tilt and turn windows can help to maintain the period look. Choose from golden oak, larch, pine and more.

Our Double Glazed Windows

Upgrading from single glazed windows is really a simple decision. Adding two panes of glass will dramatically reduce heat loss. Your replacement windows cost will be well worth it when you start to save on your heating!

When it comes to choosing the right double glazed window, the frame material is a matter of taste. Whether you buy uPVC windows or opt for hardwood, you’ll get the same glass panes. From coloured uPVC windows to wood effect, the double glazed panes will offer a layer of thermal protection and security. The choices you make about the frame and type of glass will affect your double glazing cost, but we’re happy to work with you to help you meet your budget too.

Our products are all British-made and manufactured to the highest standards. They’re secure and weatherproof as well as being an aesthetically pleasing addition to every home. Not only that, but they’ll help you reduce your energy bills, and noise pollution too! Choose new double glazed windows today and you won’t be disappointed.

Why Choose Emerald?

  • We’re a specialist company, offering windows, doors, conservatories, orangeries and even home extensions.
  • We have a range of window options to suit your home, and we’ll look at every detail to make sure you get the best uPVC windows for your requirements.
  • We’re proud of our quality windows, manufactured here in the UK.
  • Your existing windows will be removed and new windows are fitted by our highly experienced team, and we’ll see you right through from initial quote to aftercare.
  • You’ll get excellent service, just ask our previous customers or check their testimonials!
  • We’re members of the Guild of Master Craftsmen, and FENSA-approved, so you can be assured your home’s in safe hands! Not to mention, all our products come with a 10 year guarantee from the Plastics Window Federation.
  • All in all, we’re different to other double glazing companies because we ensure complete peace of mind.

With a range of flexible finance options available, add some beautiful new windows to your home. Request a free, no-obligation quote today!

To get started, take a look at our products below or request a free, no-obligation quote.

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Benefits of Emerald Windows

Security
Keep your home safe and secure. All our windows conform to all British Safety Standards and have Emerald’s unique 14-point locking systems. We’re also part of the Secured By Design Initiative, and our windows exceed the requirements for this by 50%.
Energy saving
Our uPVC windows have an 'A' energy rating and improve the energy efficiency of your home. They’ll save 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. Ideal if you live in a noisy area.
Weatherproof
Our uPVC window frames are manufactured from the highest-quality materials that will stand up to all kinds of weather. They won't rot, rust or warp, no matter what the British climate throws at them!

Help, Tips & Advice

Understand the differences between double or triple glazing. Do you need triple glazed windows?

Do You Really Need Triple Glazed Windows?

Our uPVC windows installation process

Installing uPVC Windows Guide

Step by step guides for proper cleaning and maintenance of uPVC windows.

Caring for uPVC Windows: Cleaning & Maintenance Tips

All you need to know about uPVC windows including the types and styles available.

uPVC Windows Buying Guide

Expert tips on cleaning, repairing and painting timber windows.

How to Clean and Restore Timber Windows

What are energy efficient windows and could they be saving you money?

Understanding Energy-Efficient Windows

Are casement windows right for your home? Find out what they are and how they work.

Casement Windows Guide

Our Locations: Derby, Leicester & Belfast Double Glazing Specialists

If you live in Derby or the surrounding areas, you’ll know our reputation as one of Derby’s leading window and double glazing installers.

Windows in Derby

Covering Leicester and the surrounding areas, our local team can cover all your double glazing windows requirements.

Windows in Leicester

For windows and double glazing in Norther Ireland, our Belfast fitters will get the job done.

Windows in Belfast

Residence 9

We proudly use the APS Residence 9 (R9) PVC window system. R9 is a top-of-the-range luxury window brand which replicates the look of 19th Century flush sash timber windows.

Only APS approved manufacturers can offer this authentic design to homeowners and to designers who want to incorporate this unique look in houses. Residence 9 can also be considered for design specifications in Conservation Areas.

R9 accommodates 28mm double or 44mm triple glazing with market leading thermal and acoustic performance and achieves one of the highest classifications on weather test due to its robust design. Every Residence 9 window is tailor-made to requirements, customising everything including the style, colour and hardware. All Residence 9 mechanical joints are hand-finished by individuals who are masters of their trade. Beautiful French and external doors are also available.



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.

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

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