The benefits of double glazed windows for UK homes

Written by ideal_admin

Double glazing has become so widespread in the UK that it’s now almost seen as a given.

House viewings pass without potential buyers feeling the need to clarify, builders take it for granted that double glazing will be specified for their next build, and single glazing can now only really be found on a fleeting selection of National Trust properties.

That’s not to say that all double glazing is the same. When done well, double glazing actually has the potential to exceed low-specification triple glazing at thermal performance, through thicker panes and higher quality frames.

In fact, with over 90% of homes in the UK having it installed, double glazing windows benefits are as clear as ever. We’ll outline them in depth below, as well as revealing the choices available to you.

How double glazed windows actually work

Double glazing has two panes of glass separated by a sealed gap or gas, and there’s a reason why this setup is so effective.

That gap creates another layer of protection between your home and the outside. It can contain air or an inert gas, such as argon gas, which helps slow down heat transfer.

Heat naturally moves towards colder areas. During colder months, warm air inside your home wants to escape through the windows. Double glazing slows this process, helping more of that warm air stay inside. A reduction of heat transfer works in your favour during the summer too, by blocking unwelcome warmth from entering your interior.

Modern Low-E glass can improve this further. Low-E stands for low emissivity. Put simply, it has a very thin coating that reflects heat back towards the room rather than allowing it to pass through the window.

The two glass panes also provide another barrier for sound. This can help reduce external noise, which is useful if your home is close to busy roads or other sources of noise pollution.

The main points are:

• Two panes of glass provide better insulation than a single pane.
• The sealed gap helps reduce heat transfer.
• Argon gas can provide an additional insulating layer.
• Low-E glass helps reflect heat back into your home.
• Better energy efficiency can reduce energy consumption.
• Multiple layers of glass can help with noise reduction.
• An airtight seal can help reduce draughts.

The number of panes is not the only thing that matters. The glass, gas-filled gap, window frames and installation all contribute to performance.

Double glazed windows benefits: What are they?

There are numerous benefits of double glazing, from keeping your home a consistent, natural temperature to making it quieter and more sustainable.

Lower energy bills

One of the biggest advantages of double glazing is improved energy efficiency.

Single glazing, or outdated double glazing for that matter, allows more heat to escape, meaning your central heating has to work harder to maintain a comfortable room temperature. Better insulation helps keep heat inside, reducing energy consumption and potentially lowering energy costs.

Our high-performance glazing is designed to reduce heat transfer while allowing useful solar heat gain from sunlight. During colder months, this can help make better use of free heat from the sun.

The exact saving depends on your home, existing windows and heating habits, but improving your home’s energy efficiency can be a sensible way to manage energy bills.

A more comfortable home

There is nothing particularly pleasant about sitting next to a cold window, especially if your room’s orientation lends that spot to an armchair or dinner table.

Older windows can leave the area around them feeling colder, even when the heating is on. Modern double glazing keeps the inside surface of the glass warmer, helping to reduce cold spots and draughts.

For many homeowners, this is one of the easiest benefits to notice. The room simply feels more comfortable.

Increased property value

Windows are an important part of your home’s overall condition and appearance.

Potential buyers are likely to consider the condition of the windows, their appearance, security and thermal efficiency (new windows have the potential to contribute towards a higher Energy Rating). Replacement windows can also make a property feel well cared for and means buyers are less likely to face an immediate replacement cost.

We would not suggest that new windows automatically add a specific amount to your property value. However, maintaining your home’s energy efficiency and condition can support its overall appeal.

Upgraded home security

Windows are one of the potential entry points into a property, so it’s vital that they’re as secure as can be.

Modern double glazed windows are fitted with robust frames and advanced locking mechanisms when you choose Ideal Window Solutions. Multi-point locks simply mean the window locks at several points around the frame instead of just one.

This gives you another layer of protection and some welcome peace of mind.

Reduced condensation

Condensation happens when warm, moist air meets a cold surface. This is why you may see water droplets on the inside of older window panes during colder weather. This can actually lead to mould issues in the long-run, as well as being far form ideal from a health standpoint.

Modern double glazing keeps the internal pane warmer, reducing the likelihood of moisture condensing on the glass.

Double glazing cannot remove moisture from the air, so good ventilation remains important. However, better-performing windows can help reduce condensation on the glass and window frames.

Noise reduction

If you live close to a busy road, railway or another source of noise pollution, this can be one of the most noticeable benefits.

Two panes of glass create another barrier for sound, helping to improve sound insulation and reduce external noise.

The level of noise reduction depends on the glazing specification, window design and type of noise outside.

Why we use Pilkington glass

The quality of the glass matters, which is why we use Pilkington glass in our double glazed units.

Pilkington is one of the world’s leading flat glass manufacturers and a major pioneer of Low-E glass technology in the UK and Europe.

Its glazing products are designed to reduce heat loss, make use of free solar energy and meet relevant building regulations.

Some of the options include:

• Pilkington K Glass™: A durable Low-E coating applied during manufacturing.
• Pilkington K Glass™ S and Optitherm™: Advanced Low-E glass designed to provide high thermal insulation with a clear, neutral appearance.
• Pilkington Optiwhite™: Extra-clear low-iron glass designed to maximise light transmission and passive solar heat gain.
• Pilkington energiKare™: A complete double glazed unit combining Low-E glass, Optiwhite™ and argon gas.

The right option depends on your property and what matters most to you. We can explain the differences and help you make an informed choice.

What double glazed windows are available to me?

We offer a range of designs and materials, from traditional-looking timber windows to modern aluminium and practical uPVC windows. Here’s a bit of detail about them in more detail.

Casement windows

Casement windows are one of the most familiar styles, renowned for their simplicity. They are hinged at the side and open using a handle. You likely encounter casements on a daily basis already.

Their simple design suits a wide range of properties and provides straightforward ventilation.

Flush sash windows

Flush sash windows open in the same manner as traditional casements, but there is one major difference in that the openable part of the window (the sash) sits perfectly level with the surrounding frame when closed.

They have a neat, traditional appearance, making them a popular choice for period properties or homeowners who want a classic look with modern glazing.

Sliding sash windows

Sliding sash windows open vertically, with one section sliding past another. This is great for ventilation and also for saving space, as they do not require a swing area in the same way as other styles.

They are particularly well suited to traditional British homes and can retain the character of a period property while providing modern insulation and security.

Tilt & turn windows

Tilt & turn windows offer two ways to open.

They can tilt inwards from the top for ventilation or open further inwards from the side. This makes them versatile and can make cleaning the outside easier from inside.

Bay & bow windows

Bay and bow windows project outwards from the property.

A bay window usually has more defined angles, while a bow window uses several sections to create a curved appearance. Both can bring more light into a room and create additional space around the window.

Choosing the right window material

We offer windows in uPVC, aluminium and timber, giving homeowners plenty of choice when it comes to appearance, maintenance and performance.

uPVC windows

uPVC is popular because it is durable, low maintenance and provides good insulation. It’s a synthetic material that’s also found in doors and guttering.

Affordable due to it’s ability to be produced at scale quickly, it offers a lot of real performance perks alongside an attractive price tag.

Aluminium windows

Aluminium windows are a popular choice for homeowners looking for a contemporary appearance.

It also offers competitive thermal performance and is really easy to clean, making this metal window a risk-free choice.

Timber windows

Timber remains a popular option for traditional and period homes, with modern frames and coating ensuring that previous durability concerns aren’t as significant.

It provides a natural appearance and can be a good choice when maintaining the character of an older property is important. With appropriate care, timber windows can provide long-term performance.

Frequently asked questions

How long do double glazed windows last?

The lifespan of double glazing depends on the quality of the unit, installation and maintenance. Some double glazed units can perform well for decades, although seals can fail earlier.

If you notice misting between the panes, draughts or a drop in performance, it may be worth having your windows inspected.

Is double glazing still worth it compared with triple glazing?

Yes, for many homes. High-performance double glazing can provide excellent thermal efficiency without the extra weight and cost associated with triple glazing.

The right choice depends on the property and the specification of the glass, frame and sealed unit.

What range of windows does Ideal Window Solutions offer?

We offer casement, flush sash, sliding sash, tilt & turn and bay & bow windows in uPVC, aluminium and timber, as well as timber alternative options. We can help you compare styles, materials and glazing specifications to find the right option for your home.

Why trust Ideal Window Solutions for a bespoke window installation in the South East?

We are a family-run double glazing company with more than 30 years of experience. We work with homeowners throughout Hampshire, West Sussex and surrounding areas, from Winchester, Southampton, Portsmouth and Chichester to Stockbridge, Lyndhurst, Henfield and Petworth.

We offer:

• Casement, flush sash, sliding sash, tilt & turn and bay & bow windows
• uPVC, aluminium, timber and timber alternative materials
• Double glazing and high-performance glass
• Bespoke window designs
• Professional installation
• Finance packages
• Like-for-like quotation matching
• DGCOS, Checkatrade and Assure Certified approval

We have more than 2,800 customer reviews on Checkatrade and showrooms in Fareham and Chichester. Our showrooms are open six days a week, from 10am to 5pm, so you can see our products and speak to our team in person.

Ready to explore the benefits of double glazing?

If your current windows are draughty, difficult to operate, showing condensation between the panes or simply getting old, it could be time to look at your options.

We can provide a free, no-obligation quote and talk you through the choices available for your home. We also match like-for-like quotations, so we will not be beaten on price.

Call us on 0800 7318761 or email enquiries@idealwindowsolutions.co.uk to get started. You can also visit our Fareham or Chichester showroom and see our range for yourself.

Good double glazing is not just about replacing an old pane of glass. Done properly, it can help make your home warmer, quieter, more comfortable and secure for years to come.