Secondary Glazing

Aluminium secondary glazing Kent & London
Click Here



Our secondary glazing is strong reliable and long lasting. It is discreet when installed.

Our standard secondary reduces heat loss from single glazed Windows plus:

  • Reduce heating bills
  • Save energy
  • Improve energy rating
  • Add to your comfort

Sound and noise insulation

We use specialist acoustic laminated glass to maximise noise reduction from all types of noise

  • General street traffic
  • Aeroplane noise
  • Railway noise

Listed and conservation areas

Secondary will not spoil the appearance of older properties. Our excellent quality secondary will be virtually invisible from the external view.

Sliding secondary glazing is suitable for most window types

Our most popular option

Horizontal sliding secondary glazing units are slim, versatile and easily accessed for cleaning and ventilation. The perfect fit for all property types and styles, offering up to a 65% reduction in heat loss and up to 80% noise reduction.

Suitable for a range of windows such as casement, hinged or any window with vertical bars. Available in a wide range of sizes with a choice of configurations or made to fit your home’s exact requirements and specifications.

Available in two, three, four or five panels, the sashes can be completely removed when you need to clean the existing window. Sashes are fitted with brass rollers for a smooth sliding action.

For box sash windows

Thoroughly traditional look and function with tilt option

This secondary glazing option is perfect for heritage properties and modern buildings alike. Vertical sliders have a tilt option that enables both panels to individually pivot inwards for easy access and cleaning.

Ideal for when you’re unable to replace sash windows with modern double glazing in a listed or heritage property and wish to maintain sightlines of original windows. Secondary glazing sash windows are fitted discreetly on the inside giving you all the advantages of modern living without impacting the façade. They’re also lockable for additional security.

For modern properties, our sash window secondary glazing offers a vintage look. This enhances your property stylistically while preserving the modern comforts of 80% noise reduction and 65% extra thermal insulation.