Features & Benefits

These casement windows are engineered to not only look brilliant but achieve high levels of energy efficiency and performance. For the installer, this PVCu masterpiece is quick to fit.

Exceptional Performance

BBA, BSI and SBD accredited, our casement windows are built to last. With a knock in bead system, they are both secure and easy to fit.

U-values reaching 0.8W/m2K

The thermal performance of our casement windows more than exceeds building regulations. Heat is locked in, keeping the customer’s costs down.

Three Different Frame Options

Choose from exceptional chamfered, Ovolo or flush frames for the casement window. Any choice brings a unique style of its own.

Market Leading Sustainability

Fully recyclable, 100% PVCu casement windows. Provide the homeowner with a sustainable product with no change in the price point.

Works With Kubu

Our casement windows are Kubu compatible. We provide the latest smart entrance technology.

Range of Styling Options

To meet customer demand, our casement windows can be styled in a wide range of attractive colours and finishes for any building type.

Kubu smart hardware Kubu smart hardware Kubu smart hardware
Kubu smart hardware

Works with Kubu

We offer Kubu-ready casement windows and entrance doors, allowing you to provide highly secure, convenient smart hardware to your customers.

Glazing, Finishes & Specifications

Glazing & Obscure Glass Options

If you’re dealing with tricky specifications, we have glazing options to suit you. Our casement window glazing can be composed to accept both double and triple glazing options. Browse through our obscure glass options below.

Oak CU

Profile Colour Options

Customers are looking for more bespoke colour combinations than ever before. Luckily, our casement windows are available in a range of attraction wood grains and stylish frame colours. Don’t offer just basic white. Why not preview Rosewood or Anthracite Grey? Ask us about our Made to Order Range.



Explore our downloads to find out more about the aluminium, steel and PVCu thermal insert reinforcement options we have for our casement windows.

Performance And Accreditation

Chamfered & Ovolo Profile


1.4 W/m²K


0.8 W/m²K


Class 4 (600 Pa)


Class 9a (600 Pa)


Class AE2400 (2400 Pa)


PAS 24



Colour Options

Choice of standard and additional colours available with extended lead times.

Knock In Bead System

Internally beaded with co-extruded gasket for ease of installation.


Choice of Profile

Chamfered, Flush and Ovolo profile options available.

Glazing Options

Supports double or triple glazing, with U-values reaching as low as 0.8W/m2K.

Trade Downloads Area

Gain access to our trade downloads area here. At Unique Window Systems, we’re set up to give our trade customers the best advantage. We serve many areas in the UK and help you connect with your clients with the right solutions.

Chamfered Profile

Modern styling that brings the wow factor. This casement window profile makes a statement in Anthracite Grey.

Ovolo Profile

For a more traditional look, sculptured beading makes this casement window profile both attractive and timeless.

Flush Profile

Smooth flush casement windows surfaces that provide a seamless surface for any property or building.

Start Your Online Quote

Casement Window Media

Find all of the downloads, video and brochures relating to our products below. If there is anything you can’t find, contact our skilled team for more information. We have significant experience and know about our products inside and out.

Eurologik Trade pdf

Eurologik Installation Guide pdf

Eurocell Colours pdf


Discover More Today

See some of the most frequently asked questions that we receive. If there’s anything else you’d like to ask, please get in contact.

What other products do you offer?

In addition to our PVC product lines, we manufacture a full range of aluminium products from world renowned system houses, such as Cortizo, Aluk and Warmcore, not to forget our very own Unifold Bifolding door system.

Why trade with Unique Windows Systems?
What trade support do you offer?

Where next?

Have a Question?

Contact us with any questions you have about our products or services.

Become a Trade Partner

Give yourself a sales advantage by becoming our trade partner today.

Start an Online Quote

Request a no obligation quote on our website to explore prices.

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