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Secondary Glazing

Secondary Glazing involves adding another slim-line window in addition to your existing windows. It is a cost effective and efficient method of insulating & sound proofing your windows. By fitting our Secondary Glazing you could save around 10% on your heating bills. The Energy Saving Trust states that it is an ‘ideal solution if you are unable to replace your existing windows with double glazing’.

Secondary glazing is perfect for use in Listed Buildings and conservation areas. Made from strong light weight aluminium, it can be made to be very slim and discreet. Considered a reversible change, secondary glazing is recommended by English Heritage and the Listed Property Owners Club.

Styles of Secondary Glazing We Offer…


Horizontal Sliding Secondary Glazing

Perfect for wide multi-pane windows that have vertical bars, such as casement windows. Panels slide to give easy access to the existing window for ventilation and can be removed for cleaning.

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Vertical Sliding Secondary Glazing

Ideal for windows with horizontal bars, such as vertical sliding sash windows. Available with balances and with a tilt back easy clean facility.

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Hinged Secondary Glazing

Ideal for bays, providing fire escape and specialist applications. Can provide a large clear opening for greater ventilation and full access to the existing window.

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Lift Out Secondary Glazing

Suitable for windows with a large clear glass area, windows in hard to tread areas or tight spaces. Ideal for bay windows and where other secondary styles are not possible. Recommended for windows where only occasional access is required.

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Fixed Secondary Glazing

Inexpensive, ultra slim-line and very simple to fit. Our Fixed secondary glazing is a system in it’s own right. Suitable for where access to the existing windows is not required.

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