Double Glazing Costs

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Double glazing

uPVC double glazed windows (supply & fit) If you want to see a huge reduction in your annual energy bills, whilst being environmentally friendly, replacement double glazing is often the way to go. And with uPVC windows you have a material that surpasses aluminium and hardwood, with a number of quality benefits. uPVC double glazing is the most popular window replacement in the UK and is even recommended by most window installers because of its advantages. But what is double glazing? Double glazing is an efficient window unit that will replace your old, inefficient single paned windows. It’ll last for more than 15 years, cutting your energy bills year-in year-out by retaining heat in your home. It works by having two panes of glass separated by an energy efficient spacer, which doesn’t allow heat to pass through. This spacer is normally Argon and fills a gap between 20mm and 28mm. Benefits of uPVC double glazing uPVC windows are the most popular replacement units in the UK and thousands of installations are completed every year. With double glazed windows: Reduce your heating bills by as much as £300 a year, with superb energy efficiency locking heat in your home. This means you don’t need to turn up the temperature on your boiler to keep warm. Your property instantly becomes more secure and research actually suggests break-ins are prevented as burglars avoid double glazed properties. Double glazing helps put your mind at rest and ensures greater safety. Cut your home’s carbon dioxide emissions, lowering your footprint on the planet. Carbon is one of the key gases responsible for environmental problems such as global warming. And an added benefit with double glazing is that noise pollution is limited, with sound waves unable to pass through that efficient Argon spacer. Why choose uPVC windows? There are a number of reasons uPVC is the most popular frame material in the double glazing industry for both homeowners and companies. Firstly, it’s far cheaper than hardwood or aluminium. So for those on a budget it’s a life saver. And even with the cheap price, uPVC doesn’t skimp on its quality. It’s an extremely efficient material, reducing your energy bills and is also extremely durable and resistant to weather conditions. It won’t rot or bow like wooden frames and it also can be coloured to match traditional homes. During production it’s created with stabilisers and additives to protect it from the sun’s natural UV rays too. Glass options The type of glass you choose will also impact the double glazing cost. Do you go with toughened, frosted or self-cleaning glass, they each come with their own benefits and each does impact the cost of your double glazing. In some cases, the toughened glass may be a requirement for your home. In such cases, it’s best to speak to directly to the installers with any questions you have, as they will be able to best advise you on what to do.   Just how much Does It Cost To replace uPVC widows in a House? It makes good sense for companies to reduce the cost of double glazing if the customer is looking to replace multiple windows, instead of just a single window. Whilst it's hard to give an exact cost on just how much it would set you back to double glaze your home, based on the price from our network of installers across the UK these estimates can be used to give you a good idea. If the quote is greater than these prices, you know that you're potentially been give a high quote. We have already taken into consideration the expenses in terms of the overall style and design of the home window, there are various other prices to be considered from a your requirements, different homes, the dimension of your home as well as the variety of windows all affect the cost of double glazing. In general, uPVC material is normally the most cost effective for doors and windows, typically they cost around 30%-- 50% less than timber windows or aluminium alternatives. Double Glazing Near Me When replacing uPVC windows, the cost can vary from company to company as generally, they have their own prices. So it’s best to get comparisons for the best price as one small business could quote you £4,000 whereas a national brand could quote you £3,000 and vice versa. Using our service you have get multiple prices from local and regional installers to compare.

Average Double glazing cost

The typical cost of double glazing is approximately £400-600 per window, so you're looking at approximately £2,000 to install 4 double glazed windows in a flat, and up to and exceeding £5,000 for replacing all the windows in a standard-sized home in your area.

Average price per Double glazing job in 2024

Avg. price low

Avg. price low
£1,275

Avg. price

Avg. price
£3,413

Avg. price high

Avg. price high
£5,778

£6300

£4725

£3150

£1575

£0

Prices based on actual Double glazing costs for your area, as reported by local Quotatis members.

Double glazing installation cost in your area 2024

Labour cost £1,400
Material cost £500
Waste removal £100
Time frame: 1-2 days

Advantages for Double glazing

  • Low cost vs other materials such as wood and aluminium
  • Available in a wide range of designs and styles
  • A good insulator that is highly energy efficient
  • High security to make your home more secure

Disadvantages for Double glazing

  • Does not use natural materials so not as environmentally friendly
  • Can discolour if not cleaned very regularly
  • Adds less value to your home than wooden windows

Double glazing Manufacturers

Double glazing FAQs

How long does double glazing last?

Just like every other thing in your house, your double glazed windows have an expected lifespan attached to it as it gradually becomes less functional and less efficient over time. Although there are actually top quality windows which are able to last a very long time, but the fact still remains that nothing can stand the test of time or last forever. Even the best quality double glazed windows will eventually need to be replaced at some point. So exactly how long do double glazing windows last before need a replacement?

To make it brief, most double glazing window units are typically expected to last an average of 20 years. This number of years can, however, vary within the range of 10 to 35 years based on the several factors such as the type, quality of materials as well as installation and where the windows are located.

The reason for the depreciation in double glazing windows is, over time, the windows may be subjected to some wear, tear as well as all kinds of minor damages which includes gas filled insulated glazing unit slowly and gradually leaking. According to the Centre for Sustainable Energy, the evaporation of 25 percent of gas will ultimately minimize the windows’ thermal performance. And when this occurs, fitting a secondary glazing measure or replacing the windows should be put into consideration.

Another factor leading to the gradual depreciation in double glazing windows over time has to do with condensation. When the window collects between the layers of glass due to the failure of the seal of the perimeter and the saturation of the desiccant, can only be solved by IGU replacement.

And finally, the ravages of time also has a way of taking its toll on double glazing windows. This can happen in so many ways such that the window becomes a lot less efficient and later needing to be replaced.

Should I use a Fensa registered installer?

Using a Fensa registered installer isn’t compulsory but it helps to protect you from cowboys and rogue traders. It will also make life a whole lot easier in regards to Building Regulations. Replacement windows must meet a certain energy efficiency rating and once fitted you need a certificate to show your installation complies. By using a Fensa registered company they’ll issue this certificate, otherwise you’ll need the council to look at the new windows.

How much could I save on my energy bills if I install double glazing?

As well as keeping your home warmer and reducing noise, you’ll notice a saving on your energy bills from installing double glazing. If you install A++ rated windows in your home after having single glazing, you could save up to £120 year on your energy bills. The Energy Saving Trust has more information.

What happens to my old windows?

After fitting your new windows, your installer should take away and dispose of your old windows. If you want to keep them, just let your installer know before they start work. The UPVC frames are melted down and used on the unseen parts of new windows. Aluminium frames are re-smelted and wooden are broken down and used as chipboard.

Will double glazing increase my property’s value?

These days, buyers expect homes to have double glazing. People recognise the benefits of installing double glazing, so if you don’t have it installed you should consider it. You’ll increase your property’s value and give it a better chance of selling faster, since single glazed properties are also more likely to have problems with damp and mould which could put buyers off.

How much is double glazing?

Double glazed windows are one of the most popular window options for home and property owners in the United Kingdom and reasonably so. They are able to offer a wide range of benefits to home owners which includes being energy efficient, reducing the build up of condensation on windows and black mould growth, significantly reducing background noise for a better relaxation or night rest, increasing the value of your property as well as adding to the aesthetic appeal of your home. So if you’ve decided to lay your hands on a double glazed window, you’d probably also like to know how much it’s going to cost. Well, providing a simple and accurate answer to the question of double glazing window cost is almost impossible as there are so many factors that influences the price including the materials and style.

Several suppliers usually provide the list of their double glazing windows on their websites, however these prices are only for basic off the shelf window and most often without the installation cost. Furthermore, if you require some special features to your double glazed window, then this will also tell on the total cost of the window.

So how much will a double glazing window cost? The cost of a double glazing window usually ranges between £100 to £3,200 per window, depending on the available options.

To have a more accurate estimate of the cost of a double glazing window, you’ll need a obtain a survey from a double glazing installer who can take into account any possible complications that may arise when installing your windows while also giving an advise on the most suitable window style for your property.

What happens if I have problems with my new windows?

Ultimately the double glazing company you use is responsible for the quality of work and to ensure your windows are of an excellent standard. This is why it’s important to get a warranty and use a Fensa registered installer. If problems emerge within a couple of years then it’s likely the installation was of a poor standard.Contact the double glazing company and have the issue repaired or new windows replaced. This doesn’t matter if you received a discount of free windows as part of the deal. As long as you entered into a contract the company is obliged to restore the windows.

What is double glazing?

If a window is double glazed, it has two panes of glass that have a space between them containing argon gas. The gas works as an insulator, keeping heat inside the house as well as reducing noise. It also strengthens the window.

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