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UPVC Double Glazed Casement Windows

Secure and Energy Efficient Double Glazing

Choosing the right windows for your home can be a tough decision. You need to consider style, comfort, security, performance and durability. You also want a product that will enhance the appearance and value of your property for years to come.

By choosing double glazing from Bill Butters, you'll have the peace of mind that comes from buying products from an established, reputable company. Both our PVC-u and aluminium windows combine good looks, outstanding strength and intelligent detail.

Whatever your taste or style of home, we offer three distinctive casement window designs to suit your property - Chamfered, Sculptured and Flush.


Flush Casement Windows

Flush casement windows are characterised by openers that close into the frame and finish flush with the face of the window to replicate the style of traditional timber windows. Our Flush Windows are available fully mechanically jointed or welded depending on your requirements and offer a more affordable option to Residence 9.


Sculptured Casement Windows

This range is ideal for period properties and those who want to add character and enhance the appearance of their homes. The stunning and individual aesthetic of this range makes it a market leader.


Chamfered Casement Windows

The beautiful chamfered shape adds stylish elegance to both windows & doors. Featuring outward opening sashes, which stand proud of the face of the window frame and looks sharp yet subtle.

Casement windows are our most popular double glazed window, with countless configurations, side and top opening options. However, we are also unique in that we offer bespoke window designs including arched, triangular and round windows.

We manufacture the Heritage Window collection by Deceuninck, which is extruded in Calne, Wiltshire, meaning your new windows are completely fabricated in the South West of England.

uPVC Casement Window Benefits:

  • 5 chambers for better thermal performance
  • Steel reinforced profiles for added durability
  • Ovolo or chamfered profiles available
  • Internal beading for enhanced security
  • Low maintenance

We also manufacture aluminium casement using Smarts Architectural Aluminium. You can find out more about our aluminium windows options here. 

PremiFold Windows

We are now manufacturing and installing the new PremiFold window which operates in the same slide and swing system as the PremiFold door. This innovative new system allows for a variety of ventilation options without compromising on security. 

Find out more from the video below.

Glazing Options

Whatever your requirements or taste, Bill Butters can provide you with a host of glazing and glass options. Whether you are looking for something with aesthetic appeal or energy efficiency, we can help. We also supply a number of decorative features to compliment your glazing choice.

  • Clear glass
  • Obscure glass
  • Decorative glass
  • Low-E or high thermal efficiency glass
  • Leaded glass - diamond, rectangular and square
  • Georgian or astragal bars - internal or external
  • Triple Glazing

Furniture Options

Selecting the correct hardware option for your windows, doors and conservatories is important to giving homeowners complete peace of mind.

As a leading supplier of ERA hardware for our range of window handles and locks, we can offer you a number of hardware options that will improve the security of the product and not compromise the way it looks. Find out more about the ERA range in our downloads section. 

We also offer traditional handmade furniture used on our Residence 9 windows.

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