Aluk aluminium sliding doors

AluK Aluminium Windows and Doors.

Transform your home with AluK aluminium windows and doors. Clean lines and superb functionality for light-filled spaces and panoramic views.

AluK have been developing aluminium windows and doors for the UK market for over 25 years. With the emphasis on style, the AluK collection combines innovation, high standards and variety while maintaining a competitive place in the market.

The AluK aluminium range includes a variety of windows to suit the aesthetics of any home, including casement windows, flush windows, top swing windows and tilt before turn.

AluK Windows.

Aluk Optio 58BW Casement Window made of aluminium in 4 frame styles.

Optio 58BW Casement Window.

One of the most versatile aluminium windows on the market, Aluk Optio 59BW, comes in a wide range of configurations and styles so that you may choose exactly the look that is right for your home.

Don't worry about being overwhelmed by how much choice there is. Our advisers at Heath Windows and Doors will walk you through the various options to make sure you choose a style that you will love for years.

Frame Styles.

Not many aluminium manufacturers offer as much frame style variety as AluK. Aluminium windows are usually thought of as plain, flat and modern, but with the AluK range, you can choose from several styles, finishes and colours to suit or enhance the character of your home.

Frame Depth.

  • 58mm.
  • 70mm.

Frame Style.

  • Flush
  • Bay.
  • Chamfered.
  • Heritage.
  • Ovolo.
  • Contemporary.


Windows are available as top hung, bottom hung, side hung, fixed light, multi-light and French casement.


You'll be spoilt for choice with colours and finishes. With 18 popular matt colours, 13 textured neutrals, 21 contemporary textured metallics and 14 smooth metallics with extra protection for high end and commercial developments.

Call Heath Windows and Doors Cardiff to arrange an appointment on 02920 650 854 or pop into our Cardiff Showroom.  Click for directions.  Alternatively, please email us at This email address is being protected from spambots. You need JavaScript enabled to view it.. We look forward to hearing from you.


Aluk Aluminium Doors.

Aluk manufactures a superb range of aluminium doors, including entrance, bifold, and sliding doors. All feature internal glazing, slim frames, smooth operation and a wide range of options to make them truly suit the way you live.



Aluk bifold doors - grey aluminium 4 leaf corner bifolds.


Bifold Doors.

Luminia F82 Bifold Door.

The Luminia bifold feature classic lines with flush frames. Designed for style and performance, the elegant slimline frames suit any building style with no compromise on security and durability.

As you would expect from top quality aluminium bifold doors, you have many options for configuring how your doors open and stack. We can even accommodate corner bifold structures for a dual aspect opening to the garden.

Optio BSF70 Bifold Door.

Our Optio bifold doors offer more options for frame styles with the ever-popular chamfered and square bead options.

PAS 24 security accreditation gives you full security assurance and means that the BSF70 can be fitted into new build projects that require compliance with Approved Document Q.

With U-values of 1.6 with double glazing and 1.4 with triple glazing, this door is an energy-efficient option for new build and refurbishment projects.

Luminia SC156 Sliding Door.

For panoramic views with less frame and more glass, choose sliding doors. The Luminia sliding door is a market-leading lift and slide door that has been designed to be easy to operate.

Impressive U-values of 1.4 W/m2K for double-glazed units and up to 1.0 W/m2K with triple glazing will ensure that your sliding doors benefit you all year round. The Luminia sliding door offers the highest levels of thermal and acoustic performance.

Aluminium Entrance Doors.

Optio 58 BD Entrance Door.

When you choose a front door, you choose more than an entrance to your home. The front door is arguably the single most significant feature to determine or change the character of your home. Aluk's 58BD front door is one of the UK's most popular aluminium choices. For security, durability and style, the Optio is a choice that will suit any home.

Flush 58B Aluminium Front Door.

For a clean contemporary look with virtually no maintenance, consider the Flush 58B entrance door. Superior levels of security with multi-point locking will make you feel safe and secure when at home or away. Choose from a wide range of glazing and colour options to make your door suit you.

Call Heath Windows and Doors Cardiff to arrange an appointment on 02920 650 854 or pop into our Cardiff Showroom.  Click for directions.  Alternatively, please email us at This email address is being protected from spambots. You need JavaScript enabled to view it.. We look forward to hearing from you.


Nice People to do Business With.

A family business stampThere is no pressure or obligation when you speak to us. Your home improvement purchase is important and we value your business. We treat you with respect by offering the advice that is right for you and your home. We are fair and straightforward with our quotations. No artificially inflated prices to show false discounts - Guaranteed. You can find out more about us here.

Heath Windows and Doors Ltd is Certass approved and for further peace of mind, we secure your deposits with Insurance Backed Guaranteed. Our doors and windows 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. All of our products carry at least a 10 year guarantee. We are Allchecked approved installers with verified reviews and Which Trusted Traders. We are regulated and authorised by the Financial Conduct Authority partnership 07762081 - We do not send to a panel of lenders but use Omni retail finance.

Covid 19.

While we will try to accommodate anyone who visits without an appointment, we strongly advise booking so that we can give you our best attention. We request that you wear masks and use the sanitiser provided at the entrance.

We're told that we have the best showroom in Cardiff and South Wales and now we have won the National Federation Award to back that up. Please pop along to our Cardiff showroom and get to know us, or call to arrange for us to visit you. Call us on 02920 650 854 or visit this page to contact us.


Showroom of the year award