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Lift Out Secondary Glazing

Lift Out Secondary Glazing

A removable panel within its own outer frame
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Fixed to the face or reveal of the existing window. These lift out window units use an aluminium twin track profile, to provide a secure fixing for larger panes of glass.

Lift out secondary glazing is a great way of insulating windows that require occasional access. These windows utilise removable secondary glazing to seal off the window while it is not being used. However, when you do need to access the window, the secondary glazing lifts out.

Our lift out design is especially ideal for listed properties where installing double glazing is not an option. Their frames sit behind the window unobtrusively, adding a layer of insulation without affecting the outer appearance of the property.
The best part is, lift out is available in a comprehensive selection of designs. You can get the windows in Heritage, Traditional, and Slimline models. Since this is removable secondary glazing, installing it is also extremely simple. Get in touch with us and find out how we can help you with your lift out design.

Panel Options for Lift Out Secondary Glazing

Lift Out Panel (LO)

Slimline Lift Out Panel (SLO)

The Amazing Benefits of Lift Out Secondary Glazing

The biggest advantage of lift out secondary glazing is a distinct improvement in your property’s thermal performance. Removable, lift out windows can help you reduce your heat loss by up to 65%.

Additionally, our lift out windows can also block out up to 80% of the noise from outside. As a result, your property becomes warmer and quieter. These two qualities may be essential for hotels, schools, and other educational institutions. However, they are also quite desirable in residential properties as well.

The best part is, lift out secondary glazing helps keep your property’s moisture content under control. This removable window allows controlled ventilation without affecting the temperature of your rooms. In this way, you can keep your property warm without getting damp or condensation which could result in mould and mildew.

In fact, since the removal secondary glazing is so discreet, it is perfect for heritage homes and properties. We also provide a selection of RAL colours, so these window units can blend in with your window and décor perfectly. You can also choose between Heritage, Traditional, and Slimline styles to get the look that works best with your property.

Clear Benefits of Lift Out Secondary Glazing

Great heat performance with lift out secondary glazing sash windows

65% reduced heat loss

Using 4mm toughened Low E glazing, with 80mm glass-to-glass optimum U Value: 1.868 W/m2K.

reduce noise with removable secondary glazing

80% noise reduction

Using 6.4mm acoustic laminate glazing, with 200mm glass-to-glass optimum Noise Reduction: 52dB (Rw).

Lift Out Secondary Glazing with the Granada Assurance

At Granada, we believe in giving you reliable products and trustworthy service. We work with local partners who take your convenience into account. They will deliver and install your removable window at a time that is suitable for you. What’s more, since it is so quick to install, you will get your lift out secondary glazing in great time.

Even once they are installed, our comprehensive 5-year guarantee means that you get the reassurance that your investment is protected. You have the peace of mind knowing that your frames and glazing will both perform.

With Granada, you can also select the glazing you want. We offer glazing from 4mm to 8.8mm so you can customise your removable lift out window for thermal as well as acoustic performance. As a result, your property becomes warmer and more peaceful.

This is especially useful for heritage properties where contemporary windows fittings aren’t always acceptable. With lift out glazing, you can get modern heat efficiency but without altering the traditional aesthetic of your building.
Additionally, our contemporary lift out design is extremely easy to care for. These lightweight panels are quite convenient to lift out and clean. As a result, you can maintain your property’s windows quite easily.

Lift Out Secondary Glazed Windows

Traditional range

Heritage range

Strong and Resilient Lift Out Secondary Glazing

Another great thing about our lift out windows is that it uses an aluminium twin track profile, the strength of aluminium means that the frames can be slimmer and yet be secure. As a result, the frames can hold larger panes of glass without losing structural integrity.

Additionally, the integral finger lift bar at the bottom of the panel allows it to be lifted up into the top of the secondary window outer frame. It can then be swung inwards to facilitate removal. Since it is so easy to remove and put back, you get better control of your windows.

This makes them far superior to magnetic glazing. Since magnets can’t support the weight of glass, these are often made from acrylic. The material is much less efficient than glass when it comes to retaining heat. As a result, you can never get the same thermal performance with magnetic glazing as you would with our lift out secondary.

Lift Out Windows

Features of Secondary Glazing Sash Windows

5 Year Warranty

5 Year Warranty

All windows come with a five-year warranty on frames and glazing.


Local Delivery

Our local partners can deliver and install at your convenience.

RAL colours

Choose From 200 Colours

Aluminium frames can be finished in the full range of RAL colours.

Bespoke Range of Glass

Glazing can be specified from 4 - 8.8mm, to meet thermal and acoustic demands.

Cleaning and maintenance

Simple to Maintain

Cleaning and maintenance is made simple with easy to lift out panels.


Discreet Installation

Windows can be face-fixed or reveal-fixed, to suit your preference.

Lift Out Secondary Glazing Prices

Get your no-obligation lift out design price by getting in touch with us today.

We have an expert team that will gladly discuss your needs to give you excellent advice on what will work best with your property. They will also provide you with a removable secondary glazing quote that is tailored to your specifications.

Request a Free Secondary Double Glazing Quote – 2 Simple Steps

Secondary Glazing FAQs

Can you Install Secondary Glazing yourself?

A skilled tradesperson can install secondary glazing within 1 hour. Our products are supplied as standard with a hardwood subframe. The subframe serves two purposes; It enhances the rigidity of the aluminium window for ease of installation and acts as a thermal barrier between the fabric of the building and aluminium window frame. Installation and finishing videos can be viewed by clicking here.

What is DIY Secondary Glazing?

Secondary DIY Glazing kits are available in a wide range of colours and styles. You can use these kits, which accommodate any size window, and can be installed in less than an hour.

How much is Secondary Glazing?

The price of Secondary Glazing can vary, depending on the size and style of your Secondary Glazing. You can have a look at our online quote engine to get an instant Secondary Glazing quote that is bespoke to you and your home.

How can I get a Secondary Glazing Price?

You can use our free online design tool to design your perfect Secondary Glazing and get a quick and instant quote in return! A quick and simple way to get a Secondary Glazing quote.

How Much will it Cost me to get Secondary Glazing?

You can use our free online Secondary Glazing design tool to create the perfect windows for your home and get an instant Secondary Glazing cost in return. Or, you can get in touch with our expert team here at Granada Secondary Glazing, are on hand to help you with all your cost and price queries.

Can you use Secondary Glazing for Crittall Windows?

Crittall Windows are especially well-served by Secondary Glazing. Adding Secondary Glazing can help to tackle draughts and energy inefficiency which are often associated with Crittall style Windows.

Can you use Secondary Glazing for Leaded Windows?

Yes! Secondary Glazing is an excellent option to improve the performance of your existing windows. It is cheaper than getting replacement windows for your existing ones, and when they are installed to a high standard, you can improve the overall energy efficiency of your home too!

Can you have Secondary Glazing for Bow Windows?

Secondary Glazing can be fitted to the internal of any window in your home, including Bow windows! Even with the curving of a Bow window, you can install Secondary Glazing to help improve the performance of your home. This is possible because our Secondary Glazing is fitted as a separate, secondary unit to your existing window.

What is the Difference Between Face Fix and Reveal Fix?

Secondary glazing is installed by either reveal fixing or face fixing each installation type will increase either acoustic or thermal performance. Reveal Fix – To achieve the optimum acoustic performance, we recommend acoustic glass where the secondary glazed unit is installed with a 150mm to 200mm air cavity glass to glass. The secondary glazed unit is installed within the window reveal enhancing acoustic performance by up to 80% (54 dB). Face Fix – Face fixing is recommended to increase thermal performance. The secondary glazed unit should be installed no more than 80mm away from the primary window. It is installed to the internal face of the primary window, and when taking advantage of Low E glass, customers often see up to a 65% decrease in heat loss.

I have Windows in Varying Sizes and Shapes, is Secondary Appropriate?

Granada’s secondary glazed units are manufactured to order in bespoke sizes and colours. We can bend/arch frames in-house to suit any window size, shape or style. As our products are made to order, we can manufacture units that match both transoms and mullions to reduce sightlines and make the secondary glazing even more discreet. For larger windows, typically commercial applications, we can stack or couple single units to achieve the required coverage.

Which Glass Type Should I Choose for my Secondary Glazing?

Secondary glazing is usually specified to combat two main issues; acoustic or thermal performance. In conjunction with the air cavity, the type of glass specified plays a vital role in rectifying your problem. As standard, all of our products are manufactured with 4mm toughened glass for enhanced security and safety. (Please be aware that other secondary glazing providers may supply float glass which is brittle and can be easily broken. If broken, it can leave large dangerous shards, often resulting in injury). Here at Granada, we provide several types of glass, ranging from different thicknesses to different coatings. Each type of glass has specifically been designed and selected for optimum performance. Sound – Selecting the correct glass and installing the secondary glazed unit with an air cavity of 150mm to 200mm, can drastically reduce noise issues by up to 80% (54 dB). Most traffic noise problems can be rectified with the installation of either 6.4mm or 6.8mm clear acoustic glass. Where noise is a real nuisance, and loud in nature, we suggest the specification of 8.8mm clear acoustic glass. Thermal – Cold draughts breaching your primary windows can make a room feel uncomfortable and makes it uneconomical as the loss of heat will result in higher energy costs. Where thermal performance is required, we advise the installation of either 4mm, 6mm or 8.8mm clear laminate low E glass. Low E glass has a specifically designed coating that reflects heat waves back into the room, thus keeping your it warm in the winter, and cool in the summer. The type of glass specified can increase or decrease your quoted price. It is best practice to speak with us directly as you may over-specify the glass type. Some of our customers and commercial clients specify the highest performing glass, which in turn adds cost. Often we can provide a tailored solution to rectify your issue, which is both cost-efficient and practical for your specific requirements.