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Double Glazing

  • A energy rating
  • Increased window security
  • Reduced outside noise
  • Less risk of condensation
  • Increased home value
  • Flexible finance available
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Double Glazing in Derby, Leicester & Belfast

Emerald Home Improvements specialises in providing the very best in uPVC windows and double glazing across Derby, Leicester and Belfast. As with all our products, our double-glazed windows are manufactured to the highest standard, and individually crafted to your requirements. This means you get the perfect windows to suit your home and your lifestyle, whether you’re looking for replacement windows or building a new home.

We offer a selection of different window styles to choose from, from casement windows to tilt and turn, so whatever your property, you’ll find a style to suit. We can even work with older and listed properties – all our double-glazed windows are available in hardwood as well as uPVC, and our flush sash windows in particular offer a traditional appearance, with all the benefits of modern technology.

Your home’s security is always top of our minds, which is why all our double-glazed windows have unique 14-point locking systems, approved by the Secured by Design initiative. Not only that, but they’re energy efficient, so you’ll save money on those bills! We’re members of the Guild of Master Craftsmen, and FENSA-approved, and all products come with a 10-year guarantee from 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 Leicester and Belfast, we are ideally situated for all of your home improvements needs. All our double-glazed windows are available in a choice of colours and styles, and we’ll arrange a design consultation with you to discuss your options. Now’s the time to transform your home – request a quote today!

Double glazing vs single glazing

Double glazed windows are far better than their single glazed counterpart in every aspect. A double glazed window has two panes of glass instead of one, which leaves a pocket of argon gas between them both. Single glazed windows easily allow heat to escape as there’s no argon gas to stop it, which causes your house to be colder. A single glazed window is also more prone to cracking or shattering as there’s not an extra pane of glass to strengthen the window.

Single glazed windows are also more prone to condensation, which can eventually lead to more serious issues for your house and health. In a modern world, there is no place for single glazed windows as they’re outdated in every way. You might argue that they’re cheaper than double glazed windows, but unlike double glazed windows, regular windows won’t save you money on your energy bills or add value to your home. If you have the choice, you should always opt for double glazing!

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Help, Tips & Advice

Find out if triple glazing will be beneficial for your home.

Do You Really Need Triple Glazed Windows?

Is condensation on double glazing normal, and how can you reduce it?

Dealing with Condensation on Double Glazing

Our Locations: Double Glazing Specialists in Derby, Leicester & Belfast

We’re renowned Derby double glazing suppliers with our head office located in Allenton, around 3 miles south of the city centre.

Derby Double Glazing Suppliers

We cover your Leicester double glazing needs from our local office on Friar Lane.

Leicester Double Glazing

For double glazing in Belfast, our Northern Ireland experts are on hand.

Belfast Double Glazing

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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