Secure Your Home In Style With Expertly Handcrafted Windows & Doors From Sapphire Windows

Beautifully Handcrafted & Expertly Installed

The Best For You & Your Home

Beautifully Handcrafted & Expertly Installed

Our Family Business - Make Your Family Home Our Business

We are a family business based in Carmarthenshire, South Wales. We were founded in 1989 and have grown to become one of Wales’ longest established manufacturers and installers of bespoke uPVC windows, doors & conservatories. With over 40 years of experience in the double glazing industry, we have gained an excellent reputation for our outstanding quality, workmanship, and customer service. 

Our Products

When A Guarantee Is Worth The Paper It's Written On

When others have come and gone, we have stood the test of time. Established over 30 years ago, we are a family business now into our second generation of management and our fourth period of product guarantees. You can have confidence knowing your purchase from Sapphire Windows will have a guarantee and warranty period that will be fulfilled.
Years Trading
Year Product Guarantee
Guarantee Periods Fulfilled

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Excellent Customer Service

Customer Service is imperative to how we run our business and for complete peace of mind, you can be certain that every Sapphire Windows product comes with a 10-year guarantee. 

We are also a FENSA registered company which means that our windows & doors come with an insurance backed warranty. Also, unlike our competitors, we don’t require a deposit. 

We also provide superb after-sales support. We’ll always be here if you need us. 

What is FENSA? Watch Our Video.

From Free Quotation To Final Install - Whats The Process?

In most cases we will be required to visit your property in order to measure for quotation purposes. This visit doesn’t take long, we just need the correct information to give you an accurate quotation. Call us on 01269 596480 or by email at to arrange your appointment. 

We produce an accurate detailed quotation which covers everything discussed during our visit. The quotations are clear and easy to understand. We also include design drawings of the quoted products. 

If you’d like to proceed. You can either contact us by phone on 01269 596480 or by email at We will then need to arrange a date at your convenience to carry out a full survey. 

A full survey is required to obtain accurate measurements and confirm all your requirements prior to commencing fabrication. We also complete a purchase agreement form which confirms all the requirements for you to keep. At this stage we will also confirm our current lead time. 

Your made to measure products are then expertly manufactured at our factory in Ammanford.

We will contact you with as much prior notice as possible to arrange your installation date. The date is arranged at your convenience, and we always work around any work/life commitments you may have. 

We are certain that you will be happy with your newly installed products. After completion we will register your installation with FENSA, and you’ll be sent your registration document in the post. Your products come with a 10 year guarantee, if you have any queries during that time, we are always happy to talk to our existing customers. 

Our Promises To You

  • FREE no obligation quotations.
  • No fictitious discounts.
  • You will get our best price the first time of asking.
  • We don’t employ salespeople, none of our employees work on a commission basis.
  • No deposit required. Pay on satisfactory completion.
  • Products are fabricated by our master craftsmen using precision engineering machinery.
  • Proudly still manufacturing our products in Ammanford.
  • Our products aren’t bought from trade suppliers like our competitors.
  • Bespoke products, made to measure and truly unique for your homes.
  • All our fitters are directly employed, we do not employ subcontractors.
  • We offer excellent customer service, from initial quotation all the way through to aftercare.
  • 10-year Sapphire Windows guarantee.
  • FENSA registered, which includes an insurance backed 10-year warranty.

Cut Out The Middle Men - Straight From Our Factory Into Your Homes

Here at Sapphire Windows, we know the value of using the very best materials and production techniques. 

Through continual research and development, we ensure that each component that makes up our product is of the highest possible standard. 

This gives us total confidence that we are supplying and installing a high-quality product that’s been built by us, to last.

Unlike our local competitors, we only sell and fit our own products. We do not purchase entry-level windows or doors from trade suppliers. So you can be sure that everything we put our name to is of the highest quality. 

After you place your order, all our products are made to measure. They’ll be expertly fabricated by our master craftsmen, using the latest cutting edge machinery at our factory in Ammanford, Carmarthenshire. 

Our windows & doors are fitted by exceptional installers who have a great deal of expertise backed by continuous training. This is one of the benefits of using a company that fully employs its installers. We insist that they take the time to complete a first-class job and because they are employed, they can afford to do so.

We will supply & install a totally bespoke product of the highest quality for your home.