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Casement Windows


What is a casement window?

Casement windows are the most popular choice of window in the United Kingdom and around Europe. Essentially a casement is any window that operates on hinges. The window is hinged at the top right side of the vertically hung sash, so that it opens outward or inward along its entire length in same way as a door.

A Choice of Openings

Windows hinged at the top are referred to as awning windows, and ones hinged at the bottom are called hoppers. Our casement aluminium and timber windows offer great levels of heat retention, draught proofing and sound reduction, and are available with double or triple glazing.

A Myriad of Designs

Many people struggle with getting light into their home but with exchangeable designs, you are able to control the size of the window so you can let as much light in as possible. Since a casement window operates on hinges, there’s much more variation in design, so there is something for everyone.

What is the difference between a Casement Window and a Sash Window?

Sash are often seen in traditional properties and perfectly complement the heritage style. They slide either vertically (the most popular version) or horizontally within the frame, and are simpler in design than casement windows.

Casement openings are often seen in more modern buildings. These glazing products are attached with two or more hinges, whereas sash windows traditionally slide over one another using a pulley system.

Why choose Casement Windows?

As casement windows have been around for centuries, this type of window has changed and is now available in many different styles which can suit any home. Although style is important for any project, looking at the practical side needs to be considered as well.

Great Ventilation

Of all window types, casement windows offer an ideal choice for ventilation. These windows are often used in more narrow openings and are operated with a lever or crank to swing open or closed. The most common type of this window are ones that can open completely so air is able to pass through your home.

Energy Saving Performance

If you are looking for a way to save energy in your home, a casement window might be your best and highest-performing solution. These windows provide the best type of seal against outside elements meaning this type of window will be energy efficient, which will help your energy bills!

Enhance Your Property

Many owners of casement windows prefer the modern look of a casement window along with the fuller opening that it provides.

Should I replace the Casement Windows in my home?

Over a long period of time, problems can develop with performance, therefore getting replacement casements may be the best solution for you. Double glazed units can fail and handles can become stiff and difficult to operate. In addition, if the glass has ever been cracked you can lose your Argon gas fill and so remove any heat retention capability. In general, if a window feels difficult to operate or if your home feels cold it may be time to look into some replacements.

Cost Effective Solutions

Luckily our team stock some of the most cost-effective windows available. For example, if your window frame is in good condition, you might only need to replace the casement window parts, the window sash or the casing around the window’s glass panels.

Practical Design

As opposed to sash windows, casement windows are a great choice for the practically minded customer. The construction materials form a tight draught seal, which offers great security, and, furthermore, are simpler to produce. Our casements are cost-effective, versatile, adhere to building regulations, and can come in a large range of shapes and sizes. Our engineered frames are up to 60% stronger than regular timber and we can offer U-values as low as 0.74 w/m2k (when triple-glazed).

Sustainably Sourced

We use non-functional glazing bars to keep the traditional aesthetic of your windows. Since they operate with a handle system as an opener, there’s a great deal of hardware to choose from. From more modern styles to traditional ‘monkey tail’ handles, which can really add a touch of elegance to your home. Our casements provide multipoint locking provides a high level of security, with the sash secured into the frame at two separate points. Here at Core Sash Windows, all our products are all produced using sustainably sourced wood and is certified by the Forestry Stewardship Council (FSC).

Aluminium and Timber Windows vs uPVC Products

The most popular contemporary metal frame is made from aluminium, these windows offer the same metal aesthetic as steel, with the same benefits but at a lower price. This material is used when a homeowner wants a better aesthetic than uPVC can offer. Aluminium windows also add value to your property and are easy to maintain. This window style can last up to 45 years and is available in range of colours and styles you can choose from. Due to their strong and durable frames they can achieve cost and energy savings for your home.

Better Insulation

Timber casement windows also have a better aesthetic than uPVC windows but they can be a little more upkeep than aluminium casement windows. These casement windows are known for good insulation meaning it is easy to be energy efficient and reducing heat loss which in turn will save you money on your energy bills. Another way a timber window will save you money is if there is any damage to the window you can just fix the damage and not have to get the full window replaced.

Noise Reduction

Due to its top of the range insulation it will also be help noise reduction from outside. This type of windows are available in different window styles and colour options which is perfect for any project.

uPVC Windows

Moving onto uPVC windows, these types of windows may suit some home owners. Due to the simplicity of uPVC windows there are not much choice when it comes to colour and finish of this window type. Although this type of window is reasonably low maintenance uPVC windows are susceptible to discoloration and staining and, once discoloured, are very difficult to clean. Also, uPVC windows are also much more likely to change in shape, and once changed will need replacing. Generally, uPVC windows have a shorter lifespan than other frames and will need replacing in 20 years.

About Core Sash Windows

If you are looking for replacement windows or doors for your family home or planning a modern new build, Core Sash Windows will be able to fulfill your needs. Our fully comprehensive fitting services are designed to cover every aspect of window or door installation, meaning you won’t need to get any other trades in to support our work. Ask us for a quote today and we can guarantee we can meet your casement window requirements.

For casement replacement we can offer fully comprehensive fitting or basic fitting.

Fully Comprehensive Casement Replacement:

The old casements are removed, replaced and made good. For a full rundown of this service, please check the comprehensive casement fitting page.

Basic Casement Replacement:

The old casements are removed and replaced but that’s about it. This is a great option if it’s part of larger refurbishment job in your property. For a full rundown please check the basic casement replacement page.

Unless specifically agreed, the following services will not be provided:

  • Sand and cement pointing or temporary silicone seal.
  • Rubbish removal. Rubbish will be left at an agreed location on site.
  • Hand painting.
  • Architraves, Bullnose / Window boards.

 

All our products are bespoke, so additional options for bifold doors include, but are not limited to:

Paint Options:

  • Any RAL colour.
  • Two-tone paint – separately match both your internal and external colour schemes.
  • Any paint colour or brand you choose, or colour matching to those colours. Certain brands are more difficult to paint with and so may increase the price.

Design Options:

  • Your choice of hardware.
  • Your choice of hardware colour.
  • Your choice of glazing bars. Glazing bars are the strips of timber on the surface of the glass.
  • Curved tops or square tops.
  • Your choice of unique timber moulding.

Other Options:

In Britain, casement windows were common before the sash window was introduced. Timber casement windows first came to the UK in the eighteenth century when they replaced stone windows. Back in this time the frame of a casement windows were made of iron which was crafted by blacksmiths. The windows were covered by functional exterior shutters, which opened outward. Woodworking became easier and therefore iron soon gave way to timber as a material for this type of window.

Improvements in Construction

In the mid-19th century, iron frames were no longer manufactured, with oak taking over its place. At this time, developments to glass technology resulted in the number of glass panes per window dropping from six to two. Also, glazing bars started holding the pieces of glass in place – a role that was fulfilled by lead strips up to this point. These days, casement windows have evolved further so that timber is not the only material that can be used for this type of window.

A Popular Choice

Variants of casement windows are still the the most popular choice in many European countries. They have become a versatile window which can work in any home. Casement windows have also been applied to doors, a casement door is similar in concept to a casement window: a hinged single sash or a dual sash to result in what is usually referred to as a ‘French doors’.

Enjoy being warm and comfortable!

call us: 020 3302 2060 or email: [email protected]

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