Casement Windows - Our most poluar style of window

Whether your property is a new build or a traditional cottage, the look of your home can be given a real boost with casement windows from Covenant Windows. One of the most popular styles, they offer great versatility and can be hinged at the top, at either side, or at the bottom. A casement window is simply an outward opening window set in a frame. The opening section overlaps the frame to stop the wind and rain getting in. Hinges are normally positioned at the side or top of the opening pane.Replacing old casement windows with new, thermally enhanced double or triple glazed casement windows from Covenant Windows not only improves the look of your home, but it could also save you money on heating bills too. Our casement windows conform to strict British Standard specifications, and are manufactured to the highest levels, giving you greater thermal and acoustic efficiency. That means a warmer, quieter home that's also secure, to give you total peace of mind.Your Optima casement window can be minimal with clean lines or include details that make a real impact. You can even choose French windows with symmetrical opening panes which are perfect for country-style properties or for smaller window apertures. Optima casements feature slim frames with an elegant, and timeless, scluptuered profile. They're designed to suit the British climate, to protect your home from the winter weather and to keep their good looks year after year.

Casement Windows


'A' Rated as standard

As standard we offer an 'A' rated window to all our customers. This makes for more energy efficient home that can help reduce the costs of energy bills.

Internally Glazed

All our Casement windows come glazed with highly energy efficient double glazed units. Our standard Glass units are 28mm thick and are filled with an insulating argon gas. We do also have an option available for triple glazing to help increase U-Values and sound reduction if necessary.

High Security

With security being one of our main priorities, we only install high security locking mechanisms from brands such as Yale and Winkhaus to give you total peace of mind and to keep you secure.

High Performance

As well as an attractive shape and immaculate quality, our Optima windows includes features that set it apart from the competition, a superb weather protection, insulation, durability and security. Optima casements can be made in almost any layout, from a tiny, single opening pane to a grand bay window. We can keep the styling simple or add decorative bars and feature glazing. We can even make shaped windows or charming French style casements with symmetrical opening panes.

Proffesionally Fitted

We know choosing the right Company can be a daunting and difficult task. With so many different Companies to chose from and so many options available how can you decide? and how do you know the job will be completed to a high standard with a good quality window?. the honest answer is, you don't! We often find that our customers rely heavily on information that we provide. We will always be as honest and open about the products we install and will always use highly skilled and qualified installers to carry out the installations. All our fitting teams have been trained to an extremely high standard and are regularly kept up to date with any new regulations in place.  We pride ourselves on the quality of the product and installation and over the years have gained an excellent reputation with existing and new customers who regularly return to us for more work. 

Guaranteed to last

Every job completed in a domestic property will come with a full 10-Year warranty and a Fensa certificate which is backed by Home-Pro insurance, so no need to worry that your warranty is only as good as the paper it is written on. You will have a full comprehensive warranty that will cover all aspects of both the window and its installation.

Download Our Brochure

Casement Windows Brohure (pdf)


Our Partners


Contact Us

Drop us a line!

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Better yet, see us in person!

We love our customers, so feel free to visit during normal business hours.

Covenant Windows

Unit 4, Mountain View, Rhosddu Industrial Estate, Wrexham, Wrexham LL11 4YL, GB

01978 266598



09:00 – 17:00


09:00 – 17:00


09:00 – 17:00


09:00 – 17:00


09:00 – 17:00