CALL NOW ON 0800 158 8055

Get a quick free quote

By entering your details in the fields requested, you signify your consent to our collecting and using your personal information to enable us to provide you with the services you select. Please read our Privacy Policy.
Flexible monthly repayments

7.9% APR. 0% deposit.

Credit is subject to status. Click here to find out more.

Windows, Doors and Conservatories in Derby and Belfast

Emerald Home Improvements provide high-quality double glazing and home renovation across the East Midlands and Northern Ireland. We have showrooms in Derby and Belfast. Our specialist product range includes conservatories, roofing, windows and doors. Our manufacturing is second to none, making use of cutting-edge technology, and our experienced team are always here to help.

We’ve over 10 years’ experience in creating beautiful, versatile living spaces. So, whether it’s giving your home a bit of a facelift with some new uPVC windows and doors, adding extra light and room with a conservatory, or finally getting round to converting that garage, we’re here to help! Every design and renovation project is tailored to your exact requirements.  From initial consultation to build, through to aftercare, we’re with you every step of the way. We’re members of the Guild of Master Craftsmen, and FENSA-approved, so you know your home is in the safest of hands.

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

Why choose Emerald

10 year icon

Over 10 years in the business

We are now into our second decade in the industry and are recognised as one of the leading home improvement companies in the midlands.

Security icon


We understand that our customer's highest priority is feeling safe and secure in their own home. That is why we manufacture all of our products with safety in mind.

Energy icon

Energy Saving

All of our products not only look great, but save you money on your heating bills.

Guarantee icon

10 Year Guarantee

We offer a 10-year insurance backed guarantee on all work we carry out.

Finance icon

Finance Options

We offer a range of flexible payment options.

Britain icon

Made In Britain

All of our products are manufactured within the UK and conform to British safety standards.

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

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.

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.

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

Ultion Locks

All of our doors come fitted with Ultion locks, which use cutting edge technology to provide maximum security for your home. Ultion has passed all major British standards test for security, Ultion meets the highest TS007 standard (3 star) without needing to be bolstered with support of cylinder protectors or extra secure door handles.

Your door may look great, feel solid, and have a great multi-point lock, but what’s the point if it can be disabled in a few seconds via an inadequate cylinder lock? Discover why Ultion is different.