Chesterfield Windows Double Glazing Conservatories
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Timber Flush Casement Windows





What is a Flush Casement Window?

Our traditional Flush Casement window design is where the opening part of the window (the casement) sits flush within the frame itself and does not protrude out above the main frame. This is totally opposite to our Stormproof windows, where the casement or opening part of the window does sit proud of the frame.



Designed With Modern Security In Mind

Our elite Flush casement windows are designed with modern security in mind as well as keeping the traditional aesthetics in mind. These windows are ideal in conservation areas and in listed buildings where uPVC is just not an option and the natural traditional feel is an essential part of the home. These products have been approved by Planners across the country.

These flush casement windows offer no compromise; the ultimate thermal efficiency with a premium Double Glazed design alongside a beautiful traditional design is the perfect answer for many home owners.

Looking To Match Your Existing Windows?

If you already have wooden windows in your property and are looking for an exact match for any replacements, these are the perfect answer. With features such as a 22mm astragel bar, a 92 mm deep section frame, beautiful and consistent sightlines and butt hinges emulate the appearance of a single glazed window. In addition, casement stays maintain the heritage and traditional look of the windows..

These windows are not made in bulk; they are individually tailored to your exact requirements making them truly bespoke.

We can offer these beautiful windows in Hardwood Sapele, Hardwood European Redwood or Accoya softwood (a premium hardy version of pine)



With a fully recessed sash, by the very design, these Flush casement windows offer very tight and stringent security in remote areas.

Additional security devices can be added enhancing the security even further. Essentially, we offer security without compromise in maintaining the traditional aesthetics.

Unique Design

We can guarantee that these are the only windows in the country that have gone that extra mile to ensure that no moisture is going to become trapped in any area. This is achieved by a sloped and concealed drainage area which provides ventilation and an escape route in the rebates .

Window Locking Mechanism

The contemporary locking mechanism utilises mushroom bolts and shootbolts and has achieved withstanding more than 7.4 kN - this exceeds twice of what is required of BS7950.

The locks have also been endurance tested to 40,000 operations and been salt sprayed tested for 500 hours by the BAA, passing all tests with flying colours. We can confidently say, without a shadow of doubt, that our locking mechanisms are top in the industry.


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Double Glazing Chesterfield

Sanderson Windows, 199 Somersall Lane, Chesterfield, Derbyshire, S40 3NA Tel: 01246 566197 / 07980 298930 contact us HERE Contact Me