Secondary glazing that’s built to last

Our entire suite of bespoke secondary glazing products are made to measure and feature a sleek, unobtrusive aluminium profile. Whether it’s for a modern townhouse or quaint period cottage, our product range is manufactured to the highest quality can be made to suit any existing décor.

Find out below which of our products is best suited to your home.

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 Once you've completed the enquiry form, we'll be in touch to find out your exact needs and requirements.

 We'll find you the perfect Granada-approved installer, provided you don't want to manage the install yourself.

 Your Granada-approved installer will contact you directly to discuss your needs and arrange a home survey if required.

 Our industry-leadings products will ensure you have a quieter, warmer and more secure home.

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What is Secondary Glazing?

Secondary glazing features the installation of a slimline, discreet aluminium panel fixed either within the reveal, or to the face, of the existing window. Effective secondary glazing should be barely visible to the naked eye, whilst bolstering both the thermal and acoustic performance of the primary window. An independent unit that operates separately from the existing window, secondary glazing is an ideal solution for properties where window replacement is not an option.

What are the main types of secondary glazing?

Horizontal Sliding Secondary Glazing

Suitable for a range of windows such as casement, hinged or any window with vertical bars. Available in two, three, four or five panels, the sashes can be completely removed when you need to clean the existing window.

Vertical Sliding Secondary Glazing

Vertical sliders are used in conjunction with traditional box-sash windows. A tilt-in option is available, enabling both panels to individually tilt into the room for easy cleaning.

Hinged Unit Secondary Glazing

Hinged casements are normally used in conjunction with casement windows or traditional box-sash windows. The glazed panes operate on hinges and open into the room.

Fixed Secondary Glazing

Our most simple secondary double-glazing product is typically used when the area for fixing into, is minimal. Once installed, the glazed panel cannot be removed.

Lift Out Secondary Glazing

Glazed panels are held in place with a slimline, robust aluminium outer frame. Panels are simply lifted out of the outer frame to give access to the existing window.

Bespoke Secondary Glazing

If you’re unsure which secondary window glazing is most suitable or you require a bespoke shaped window, please get in touch. We specialise in creating custom solutions.

Why choose secondary glazing?

Hear from Kevin Gosney about how our industry-leading secondary glazing products helped him to combat excessive levels of external noise. Living within a listed property on the outskirts of Sheffield, Kevin tasked us with matching the stylings of his existing windows, whilst improving their acoustic and thermal performance.

A colour to suit your scheme

Find the perfect match for your Granada window insulation system using our range of over 200 RAL colours. Whether you own a new build, listed property or commercial property, we can fit your requirement.


Products Secondary Glazing FAQ's

What does secondary glazing cost?

In many cases, secondary glazing can be a more cost effective solution than traditional window replacement. Whilst the high-quality, aluminium units may not be far off the cost of a new primary window, secondary glazing is a significantly easier product to install, often reducing the overall project cost.

Does secondary glazing work?

Secondary glazing is an incredibly effective way to reduce both external noise and heat loss. The air gap between the primary window and the secondary unit effectively acts as a thermal and acoustic insulator, reducing external noise by up to 80% and heat loss by up to 65%.

Can secondary glazing save you money?

When you invest in superb secondary glazing, you’ll add more glass to your window, protecting it from cold air. That way, you can preserve your windows for longer, and improve the performance of your home, ultimately secondary glazing can you save you money.

Will secondary glazing reduce my energy bills?

Given secondary glazing’s ability to reduce drafts and cold spots within homes, it’s an incredibly effective means of lowering energy bills. Prior to the energy price crisis, one Manchester homeowner saved a whopping 40% on her energy bills post-install.

Start your secondary glazing journey today...

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