Points to Consider Before Purchasing A Structural Glass Extension


A glass structure offers aesthetics with its transparency and clarity. Elevations constructed with glass, especially frameless glazing offer great levels of natural light to penetrate into the interior spaces and act as a picturesque for the exterior views.

Gone are the days with solid walls with small voids offering exterior views. With the development in the material industry, bespoke glass has been introduced to the designers. Glass rooms offer a modern essence to the design along with its functional benefits.

What is frameless glass?

Frameless glazing is an option with seamless appeal and no frame around the border of the glass. With the rise of modern and contemporary designs, frameless glazing can be used in balconies, glass doors, shower screens, or bespoke glass windows. 

Frameless glass enables the construction of glass rooms with minimal joints and fixings to offer a seamless view.

What is the structural glazing?

Structural glass is a broad term that encompasses a variety of products and is used to define any glass that bears the load of the structure. This glass may be utilized in a variety of applications, including glass flooring, handrails, and walls.

When it comes to employing this component for an expansion, homeowners frequently choose a glass box extension.  It’s because the strong glass is robust enough to be held in position without the need of a framing system, instead of relying on concealed channels and metal angles custom-made for each home. 

What a frameless glass extension can be used for?

Frameless glass extensions are a daring way to add a touch of glitz to your house while still creating a vast and functional additional space. These extensions, which usually have two glass sides with a ceiling, are a fantastic way to provide a smooth picture of your landscape and truly emphasise the indoors-outdoors environment. 

Conservatories are less adaptable than frameless glass extension, which may be utilised in a variety of ways:

  • As a complement to the kitchen, living room, or dining room
  • As a reading nook, extra sitting space, or a sunroom
  • As a children’s playground or a home office
  • In the form of a warm bath or a swimming pool

Structural glazed extensions can be a special room or an addition to an existing area when the interior walls are removed. It implies the expansion of any interior space to the exteriors as glass rooms for spectacular and neat views.

What advantages does a structural glass extension have?

Glass is an extremely elegant building material with modern aesthetics. Now, with advanced technology and strongly reinforced panels, it can be used as an external building material as well. 

Structural glazed extensions have their own pros, which include:

  • Imparting contemporary and modern design language to the house.
  • Glass is one of the most stylish materials to be adopted for an extension.
  • Glass box extensions welcome an abundant amount of natural light.
  • It acts as an extension of the house and enables the users to enjoy the natural outdoor scenery.

Structural glass extensions are an excellent choice which when treated well can reduce the glare and heat gain in the interiors. The sturdiness can withstand extreme conditions and offer a comfortable living environment throughout the year.

Glass options for structural glass extensions 

The glass panels employed for the glass box extension can be treated in a variety of ways to ensure that the addition blends in with the architecture and surroundings.

Low iron glass is ideal for expansions where the glass project’s transparency is critical. Sun Control Treatments are also common in these sorts of heavily glazed settings to decrease the solar gain by reducing the quantity of solar radiation passing through the glass.

In marine conditions, using simple and low maintenance coatings is suggested to decrease the amount of cleansing required for big glass structures.

For highly technological glass solutions, you may build a glass box extension out of transparent heated glass units that will serve as the expansion’s single heat source and the glass walls.

Door options of frameless glass extensions

Frameless glazing is an eye-catching option and triple-glazed glass guarantees that the addition is cozy and energy-efficient. Based on where in the home it is planned and how users want to utilise the area, the glass expansion can have any type of door:

  • Slim framed sliding doors: Sliding doors offer sleek sight-lines which don’t block the view and enhance the aesthetics of the bespoke glass room.
  • Bifold doors: Bifold doors enable to open the whole facade of the frameless glass extension to the outdoors. 
  • Flush glazed hinged doors: Flush glazed doors divert to a completely different design approach with their slim visual appeal offering the design language of modern art and industrial style.

Employing larger doors with sliding systems instead of a visible metal frame helps the house feel more open and avoids interrupting up the line of sight.

How much does frameless glass extension cost?

Structural glazed extensions are a gorgeous addition to the house imparting contemporary design vibes. These with their flexibility in design can be constructed with units of structural glass or can be supported with glass beams. 

The cost factor of a glass extension is dependent on various factors like:

  • The location of building the glass extension.
  • Level of convenience for access to the site.
  • The type of glass panel.
  • The size of the glass box extension.
  • If the foundation is required.

Depending on glass features and other factors, cost of constructing a glass box extension starts from minium £3,000 per m². The total cost might fit in the range of £30,000- £80,000. 

Transforming the Look of House

The architectural possibilities for frameless glazing are virtually limitless. A glass box extension may be opted for its functions and to transform the visual appeal of the house into a more contemporary one.