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Double Glazing in Exeter& Devon

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Double Glazing in Exeter& Devon

Double glazing prevents heat loss, which is vital for those days you want to snuggle up in front of the fire. This glazing option is also ideal for those seeking a way to reduce outdoor noise. Our industry-leading A+ rated double glazing provides ultimate safety and security, reduced noise pollution and high levels of thermal efficiency – saving you money on energy bills.

Warm Double Glazing

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Made up of two glass panes and one window frame, double glazing works by filling up the gap between the glass with gas. This gas is thicker than air, working as an insulator. It works to ensure no heat escapes through the window and vice versa, keeping your home warm and your heating bills down. 

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Experience the freedom of obtaining the products you desire, tailored to your preferences. Our dedicated team is always available to assist you whenever you require assistance. Your satisfaction is our priority.

Energy Efficient

The high-performance nature of our double glazing will keep your Exeter or Devon property comfortable all year round by keeping it at a stable temperature and eliminating any draughts.

Finance Options

We offer flexible monthly payments, interest-free credit, and buy now/pay later for our double glazing, with no finance required.


Our double glazing makes it harder for intruders to break in, so you can have peace of mind knowing that they will protect you and your Exeter or Devon property.

Lifetime Guarantee

Because of our high-quality double glazing, we provide you with a ten-year manufacturer’s guarantee on your double glazing.

Customisation Options



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Energy Efficient

You will also see a significant decrease in condensation, compared to single glazing, which tends to have an issue with this. The inside pane will not encounter the outside temperature, even in the coldest of winters, as the dense air will block this transference from occurring.

Launa Windows offers you double glazing with only the best energy-saving ratings. Although double glazing may be an investment, you will soon see the financial benefit of their installation. 

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The frames are thicker than your average single glazing to fit the two glass panes. This means they are extremely hard to break and bring you even more security. 

Additionally, we offer double glazing with good hinges and thermally toughened glass that keeps you protected 24/7.

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Frequently Asked Questions

Is it worth replacing double glazing?

We expect lifespans of around 20 to 30 years with double glazing. However, over time its efficiency will begin to decline. 

If you notice the insulation is becoming inefficient, this is a sign your double glazing is due for a replacement. This may be for a variety of reasons, but it is important to note that the gas we inserted between the windows will slowly escape over time. The heat insulation and noise-proof properties will begin to falter when this happens.

 Upon replacement, your new double-glazed windows will give you the top-quality insulation and draught-proofing you and your home deserve. We install our windows carefully and with the most professional approach, so we are confident that your new double-glazed windows will be the most efficient you can buy.

What is the best gap for double glazing?

The gap between the window panes is paramount to double glazing. This is due to its noise-reducing and insulative properties that keep your home as comfortable as possible to live in. We carried out extensive research to find the right-sized gap to insert the correct amount of dense gas to be as efficient as possible without being too bulky.

We found that units of round 28mm thickness with 20mm gaps prove ideal for double glazing. It is this gap that gives you insulation, noise-proof benefits and energy efficiency.

Does double glazing reduce noise?

Soundwaves find it easy to travel through single glazing as there is very little to stop it. In contrast, sound finds it much harder to get through double glazing in the same way due to the dense gas we insert between the panes. For those who crave a quieter life, we can offer you double glazing that will improve your quality of life.

We recommend double glazing for homes located next to or amongst busy areas, or next to a road a busy road. We believe that your home is a sanctuary and an escape from the restlessness of the outside world. 

What areas do you serve?

We serve Exeter, Devon, and the surrounding area, including Torquay, Plymouth, Exmouth, Cornwall, Somerset, Newton Abbot, and more.


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Network Britannia Windows Limited t/a Launa Windows is registered in England and Wales (Register no. 07750446). Credit is subject to status and affordability. Terms and conditions apply. Authorised and regulated by the Financial Conduct Authority. Network Britannia Windows Limited FCA Register no. 738269 trading as Launa Windows is an appointed representative of Ffenestri Limited FCA Register no. 716352 Kimberley Road, Clevedon, Somerset, BS21 6QJ is a credit broker, not the lender. Credit is provided by Novuna Personal Finance, a trading style of Mitsubishi HC Capital UK PLC. Authorised and Regulated by the Financial Conduct Authority.