Secondary Glazing Costs

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Secondary glazing

Secondary glazing

Replacing your inefficient windows is one of the best home improvements you can make to reduce your energy bills and cut carbon emissions.

Most homeowners will look towards double glazing when replacing their old windows, but listed buildings and properties in Conservation Areas often won’t be granted permission.

This is where secondary glazing comes in, as it doesn’t change the external look of the property and instead a second pane is fitted on the inside of the first, with an air gap to heighten energy efficiency.

Of course, this isn’t as efficient as a double glazed unit but still stands to save homeowners plenty of money every year on their energy bills.

Secondary glazing has become much more popular in recent years, as it shares a lot of the same qualities as double glazing, but comes at a cheaper cost.

Benefits of secondary glazed windows

With secondary glazing in your home to replace single paned windows:

  • Reduce your heating bills

The two panes of glass will work together to lock heat in your home, ensuring you needn’t turn up the temperature to keep warm.

  • Add to your home’s security

As you would expect it’ll be tougher to break into a secondary glazed property, so you’ll have peace of mind and less worries of an insecure home.

  • Cut noise pollution that enters your home

In the same way heat is retained in your home, noise pollution is kept out. This is particularly beneficial if you live near a busy main road or traffic works.

  • Slash your home’s carbon footprint

Cutting carbon will make your property more environmentally friendly. This is done by reducing the workload of your boiler, therefore cutting fuel use.

The effectiveness of secondary glazing will be directly affected by the gap between the two panes of glass, normally recommended at 100mm. Sound insulation will also improve with the glass’ thickness.

Secondary glazing quotes

Secondary glazing is certainly the best option for properties in Conservation Areas or even listed buildings. It ensures you can still see the effects of new windows without having double glazed units.

If you’re interested in making your home more energy efficient and seeing a range of benefits, then complete our quick form and receive up to four FREE quotes from local, vetted and reputable window installers.

Average Secondary 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 Secondary 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

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£0

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

Secondary glazing installation cost in your area 2021

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

Advantages for Secondary 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 Secondary 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

Secondary glazing Manufacturers

Secondary glazing FAQs

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.

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 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.

How does double glazing work?

One of the essential factors that makes a home truly a home is the convenience and comfort it provides us. As a result, we usually have a long to do list comprising things that come together to make sure our home is comfortable with ambient temperature at the very top of the scale of preference. After all, no matter how greatly designed your furniture and home decor is, it probably would amount for nothing if the temperature is either too hot or too cold. Some of the most common ways we incorporate to make the temperature a lot more conducive and warm during the winter months is by installing air conditioning system or through top notch insulation materials, but the fact still remains that a lot of heat would escape through the doors and windows. And that’s exactly the use of double glazing. So how exactly does double glazing work?

Double glazing basically works by preventing the escape of air and trapping it between two panes of glass. It’s the trapped air which serves as an insulation barrier which delivers 3 major functions. First and foremost, it stops the escape of heat through the window as the barrier created insulates the room from varying air temperatures at both sides of the glazing unit. The second major function is the double glazing works to keep down noise pollution coming from outside. While the third major function of double glazing I the fact that it helps minimize condensation which usually occurs on the single glazed windows’ inside as the cold outside air works to cool the warm air inside the house. When you install a double glazing window, the insulation barrier generated will work to stop the air temperature transmission which ultimately helps prevent the occurrence of condensation.

What is uPVC?

uPVC is unplasticised polyvinyl chloride. It is a favourite amongst homeowners and manufacturers for its cheap production cost and excellent benefits. uPVC is used for window frames, conservatories and doors. In fact, uPVC can be three times cheaper than wooden frames and is also the most energy efficient option.As well as this, uPVC is now available in a range of colours other than the typically seen bright white finish. It can also be recycled, is durable and resistant to changing weather conditions.

Will double glazing stop condensation?

If you’ve got a problem with condensation and don’t have double glazing, you should find that getting new windows will help. Condensation is caused by warm air meeting a cold surface which then turns into water droplets. With two panes of glass, less heat will escape from your home and keep the window warmer, meaning when steam from the bathroom or kitchen touches your windows there should be less condensation.

Are A-rated windows worthwhile?

On the grand scale of things there isn’t a huge difference between B-rated windows and A-rated windows. Consumer watchdog Which? have calculated an extra 6.5% would be saved on energy bills with A rather than B rated panes. Be aware that A rated windows are slightly more expensive, however.

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.

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