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.

Double Glazing Near Me

If you’re interested in uPVC windows it’s best to receive a number of quotes to compare prices and ensure you get the best deal for your money.

By completing our quick form we’ll provide you with up to four FREE quotes from local, vetted and reputable window suppliers.

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.

Average price per Double glazing job in 2021

Avg. price low

Avg. price low
£950

Avg. price

Avg. price
£1,288

Avg. price high

Avg. price high
£2,875

£3000

£2250

£1500

£750

£0

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

Double glazing installation cost in your area 2021

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

What is the Window Energy Rating (WER)?

The energy efficiency of windows is measured using ratings, varying from A, the most efficient, to G, the least efficient. This scheme is run by the British Fenestration Council (BFRC). To comply with Building Regulations you’ll need windows of energy efficiency at least level C.

How can I find out how energy efficient my new windows will be?

All new windows come with an energy efficiency rating from A to G. A is best, while G is the lowest rating. Anything above C is considered good, but these days most companies will be able to supply you with A-rated windows to maximise your energy efficiency.

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.

Do I need to stay at home while my windows are being replaced?

Most installers will not need you to be at home while they are fitting your windows. It is a good idea to be present though, just in case they have any questions for you and perhaps for your own peace of mind. If you cannot be there, you will need to arrange access to the property and/or agree securing the property at the end of the day.

How much money will I save with double glazing?

By replacing the single glazed windows in your home you stand to make savings of around £170 each year. It’s not just the financial gain that makes double glazing attractive though and you can also save up to 680kg of carbon emissions annually. Over 20 years this is a saving of around £3,400 and 13,600kg of CO2.

What is a window sash?

Windows, being a very crucial feature in every home, are one of the things you simply can’t afford to ignore in your home. Having a good understanding and solid knowledge of your windows’ components like the window sash will help you stay up to date with them and able to identify any minor mishaps early on before it leads to a much bigger problem. So what exactly is a window sash?

Well without much fuss, a window sash is simply that part of your windows that’s able to open and close. And there could as well be more than one window sash that’s operable depending on your window’s type. Window sash usually possess a very basic design as well as structure. What’s more? This section of a window happens to be a frame that’s designed in such a way to make for easy placement inside the whole window casement. You’ll discover inside the sash frame, the window glass alongside any framework possessed by your window which includes grids.

Usually, the sash is fitted into the frame of the window on a runners’ set in such a way that allows for both upward and downward movements. And finally, the window sash’s frame typically comes with a locking system which provided for extra safety and security.

The window sash is a vital feature that can determine the durability and overall performance of the windows. In the event whereby your window sash is malfunctioning, it can result to numerous problems which includes both drafts as well as leaks. As a result, it’s very important to keep your window sashes in a great working condition as failure to do so will make opening and closing your windows a really difficult task.

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.

What if my home isn’t suitable for double glazing?

Some properties are unable to have double glazing, especially those in conservation areas or listed buildings. To counter this problem and still benefit from a warmer home and cheaper bills, secondary glazing is an option. Secondary glazing is a second pane fitted inside your original window. Secondary glazing will still save you around £105 yearly.

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