Granada Secondary Glazing - Halstead Glass

Granada Secondary Glazing in Essex & Suffolk

Secondary glazing enhances warmth, quietness, and security with a slim, unobtrusive aluminium profile. Made to measure, it offers all the benefits of double glazing without replacing your existing windows, it's budget-friendly and often a more cost-effective alternative to full window replacement. Ideal for both modern and heritage properties, it improves comfort without sacrificing aesthetics.

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Preserve the character of your listed or heritage property

Secondary glazing for listed buildings enhances thermal performance and reduces external noise, all while maintaining the property's aesthetic charm. Our discreet and cost-effective solutions provide exceptional functionality without altering the appearance.

Contact us today to discover how we can improve your listed building with secondary glazing.

Close-up exterior photograph of white sash horn windows

Graphic detailing that this product comes with a 10 year guarantee

Horizontal Sliding

Sliding secondary glazing suits most window types, including casement and hinged designs. Offering up to 65% heat loss reduction and 80% noise reduction, it enhances any property.

Available in two, three, four, or five-panel configurations, the sashes glide smoothly on brass rollers and can be removed for easy cleaning.

It suits most window types, except sash windows and is ideal for windows with vertical bars, aligning perfectly with sightlines. Its versatility makes it the most popular choice.

Exterior photograph of a tiled Warmer Conservatory Roof

Vertical Sliding

Our vertical sliding secondary glazing offers classic style with modern performance, perfect for box sash and arched applications.

Available in three variations, it features self-supporting panes and a tilt-in function for easy maintenance.

These units can also be coupled or stacked to cover larger glazing areas, with a heavy-duty option available for larger expanses.

Exterior photograph of a LivinROOF conservatory roof

Hinged

A modern approach to traditional design, our hinged secondary glazing offers a discreet solution for various window styles. Designed with shaped application purposes in mind, it features slim 72mm sightlines with no visible transoms or mullions, ensuring a clean, unobstructed look.

The easy-to-operate single handle and secure multi-point locking system provide enhanced security and peace of mind.

This system can be coupled or stacked with other units to treat larger areas of glazing, making it ideal for expansive windows. With side and base opening options, it's perfect for larger glass areas, especially when paired with heavy-duty units and self-supporting panes.

For easy upkeep, our hinged units also offer a tilt-and-turn functionality, making them suitable for both classic and contemporary homes.

Lift Out

Designed with arched applications in mind, our lift-out secondary glazing units are a popular choice for listed and heritage properties, offering both functionality and style.

Available in three variations—slimline, traditional, and heritage—each unit features a single removable secondary glazing panel within its own outer frame. These units can be securely fixed to either the face or reveal of the existing window, providing a seamless and unobtrusive look.

The slimline version, with its narrower aluminium frame, ensures minimal impact on the view, while the heritage variation includes heavy-duty units to support larger, more robust window loads.

Additionally, these units can be coupled or stacked to cover larger glazing areas, making them versatile for various applications.

Bespoke

Tailored to Your Exact SpecificationsWe specialise in creating bespoke secondary glazing solutions to suit any shape, style, or security need.

Whether it's arched, bay, curved, or circular windows, we have the expertise and facilities to craft perfectly tailored solutions. Our capabilities include bending and curving sections, as well as producing angled secondary windows to meet your unique requirements.