Aluminium Casement Doors

The most traditional door style, hinged on the side and able to open inward or outward. With both single and double leaf options, aluminium casement doors are a versatile option for any entrance. 

Design and Aesthetic

  • Constructed from thermally broken profiles as standard. 
  • They come with a variety of outer frames and sash profiles to meet different size, design and aesthetic requirements.
  • For a standard-size casement door, the visible sightline (frame+vent) is between 100mm – 160mm. Large size casement doors are constructed with thicker profiles. 
  • Aluminium casement doors are constructed with visible butt hinges, or concealed hinges which cost higher. 
  • Aluminium  casement doors offer versatility in frame and vent design, allowing for different sight lines and visual styles: standard, classic, steel-look, heritage style etc.
  • Different colour and finish options for profiles: standard powder coated, textured metallic finishes, anodizing finished, etc.

Size Limitations

  • Standard single casement door measures up to 1000mm at width and 2300mm at height. The door vent may weigh up to 100kg. 
  • Large size vent measures up to 1.4m at width and 3 metres at height. The door vent may weigh up to 150kg.

Opening Options

  • Inward opening (single or double leaf)
  • Outward opening (single or double leaf)
  • Casement doors can be combined with side or top fixed lights.

Safety & Security Options

  • Aluminium casement doors usually come with standard multi-point locking systems which make them secure against unwanted entries.
  • Burglar resistance classes of RC2 or RC3 are also available as security options.
  • PAS24 security option for the doors to be installed on ground floors.
  • Restrictor can be used to stop the door opening past 90 degree and hold it in place for safety.

Compliance with Building Regulations

Any doors to be installed at a residential property is subject to building regulations:

  • Doors to be installed on the ground floor of new buildings must have PAS24 securilty level. (Part Q, Read More >> )
  • Doors to be installed in residential properties must comply with Approved Document L in terms of thermal performance ( Read More >> )


Aluminium casement doors offer an ideal solution for a variety of residential buildings, boasting both durability and functionality. As they are easy to operate and affordable, they are a popular choice for entering and exiting homes.

They are used for a variety of purposes:

  • Aluminium single casement doors are cost effective solutions for the side entrance of your home. 
  • Used as back entrance doors leading in to your garden 
  • Aluminium casement doors can be used as external doors leading out to your terrace area. 
  • As they are easy to operate and durable, aluminium casement doors are the perfect solution to be used for any entrance with high traffic.

Buyer’s Guide to Aluminium Casement Doors