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uPVC Windows

  • A energy rating
  • Local installation teams
  • Manufactured in the UK
  • Energy efficient & noise-reducing
  • 10-year, insurance-backed guarantee
  • Flexible finance options available
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Top-Quality Double Glazed uPVC Windows in Derby, Leicester and Belfast

If you’re in the Derby, Leicester or Belfast area and you’re looking for new or replacement windows, you’re in the right place.

We cover the Midlands and Northern Ireland With headquarters in Derby as well as offices in Leicester and Belfast, we are ideally situated for all of your home improvements needs. We offer a wide range of bespoke double-glazed hardwood and uPVC windows in a range of different styles and colours. From casement to flush sash, our windows 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!

Our windows are fitted by our highly experienced team, and we’ll see you right through from initial quote to aftercare. 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 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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Our range of Windows

Casement windows

Wide range of colours and styles to suit all properties

Casement
Sash windows

The appearance of timber without the required maintenance

Flush Sash
Tilt and turn windows

Dual opening action for safety, security and practicality

Tilt and Turn
Vertical sliding windows

The elegance of traditional sash windows with the benefits of modern uPVC

Vertical Sliding

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 and triple glazing.

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 window and double glazing needs.

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.



Customer Reviews

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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