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Green Homes Grant 2020 - Applications are now open.
Last updated: 01 October 2020

Why Choose uPVC Windows?

uPVC windows are a cost-effective, durable, and safe option for your home. They are the most commonly used double glazed windows in the UK, and their popularity in UK homes has increased tremendously over the years.

Installing uPVC windows in your home provides energy saving benefits, as they are very well insulated. You can save money on your monthly energy bills with these windows. With the new Green Homes Grant, you can receive vouchers that will cover two-thirds of the installation costs of your uPVC windows. Read more about this below.

There is an array of uPVC window styles to choose from, and most installers offer customisability in terms of colours and accessories. Even if you want the look of a traditional timber window, you can opt for a modern uPVC window with a wood-effect.

If you want to compare prices of uPVC Windows in the UK, make sure to fill out the form at the top of this page and get up to four free quotes from our suppliers. Their offers will save you time and help facilitate your final decision.

What Is a uPVC Window?

uPVC is the material that the frame of the double glazed windows is made off. This material is based on plastic powder (unplasticized polyvinyl chloride, uPVC), which is heated up and injected into a mould in order to form its shape. After it has cooled through different methods, the uPVC is cut and prepared to be assembled in a double glazed window together with the other components.

uPVC is not the only material that double glazed window frames are made of. They can also be made of timber and aluminium. All three materials come with different advantages and disadvantages, but overall, uPVC is the most used. Furthermore, double glazed windows can be produced in many different shapes with a variety of mechanisms (uPVC bay windows, for instance). 

How Do uPVC Windows Work?

What makes the uPVC double glazed windows so functional is the space between the two panes of glass that allow the air to be trapped, which creates the following benefits:

1. This air acts as insulation, thus it does not allow for cold or hot air to easily pass between the inside and outside of the house.
2. It also prevents condensation from forming inside the house when it's cold outside and warm inside.
3. Furthermore, uPVC windows reduce noise pollution by minimising the amount of outside noise that can pass through the glass.

Components of a uPVC Window

How Much Do uPVC Windows Cost?

The cost of double glazed uPVC windows will hugely depend on the style and type of window you choose. However, some approximate numbers and prices can be of a great use, and therefore we created the tables below taking into consideration the most popular types of double glazed windows shapes and types.

If you know the best uPVC windows prices, you will be able to make significant savings for your family budget and plan the renovating process more efficiently.

Cost of uPVC Casement Windows
Number of bedrooms Number of White uPVC casement windows (600mm x 900mm) Cost of White uPVC casement windows
2 4 windows from £1,000
3 9 windows from £2,250
4 15 windows from £3,750
Cost of uPVC Sash Windows
Number of bedrooms Number of White uPVC sash windows (600mm x 900mm) Cost of White uPVC sash windows
2 4 windows from £2,000
3 9 windows from £4,500
4 15 windows from £7,500

What Grants are Available for uPVC Windows?

The newly announced Green Homes Grant scheme offers homeowners in England vouchers of up to £10,000 for carrying out energy-saving home renovations. As uPVC windows are very effective in insulating your home, they fall under the scheme.

To qualify for the grant, you must first receive a quote from a TrustMark or MCS certified installer that approves the work on your property. Thereafter, you can apply for a voucher online which will cover two-thirds of the installation costs.

uPVC Windows Eligible Under Green Homes Grant

The Green Homes Grant offers to cover two-thirds of the costs of various energy-saving home improvement projects carried out in England.

Draught-proof windows (such as uPVC windows) are included under the secondary measures of the grant.

Applications are now open. Read our guide about the Green Homes Grant for full details and to help prepare your application.

Note: the Green Homes Grant is only available in England.

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What Are the Advantages of uPVC Windows?

Did you know that owning a house with uPVC windows can increase the value of it? Not only that, but uPVC windows can help with noise reduction, energy saving, and much more, such as making roof window installation possible even on lighter roof structures.

To clearly outline the advantages and disadvantages of uPVC windows, we have listed them below.

1. Low Cost

Compared to the other materials that double glazed window frames can be made from, uPVC windows are the cheapest option. Although this is not even the best part of uPVC windows, it is still an important factor if you are worried about their cost effectiveness.

2. Low Maintenance

Another hugely attractive advantage of uPVC windows is that they require remarkably low maintenance. Other frame materials like timber and wood need to be repainted every 5 years, alongside some refilling and patching because they tend to rot and flake. This is not the case with uPVC window frames. They never flake, rot, rust, or fade. Moreover, if you are wondering how to clean uPVC windows, the answer is very simple. All you need to do is wipe it occasionally with a cloth.

3. Insulation

Insulation is another strong feature of uPVC windows. These windows were created to provide the most optimal heat and energy insulation. Being able to keep the sound and heat out of the house so effectively, is largely responsible for uPVC windows’ popularity.

4. Water Proof

The biggest problem that wood window frames have is the propensity to swell when the weather is damp. This can become dangerous because the glass can loosen up, and furthermore, it can become easier for an intruder to enter your home. Alternatively, uPVC frames are storm and weather proof, since the damp cannot enter through the surface of uPVC windows frames. Hence, they are non-corrosive and will not be eroded by bad weather.

5. Durability

From all the frame materials available for double glazed windows, uPVC is the most durable. Aluminium can pick up rust over time, and wood can rot and warp. How long uPVC windows last is dependent on your level of care, but as they are made of a resilient and tough material, they can last anywhere from 10-35 years.

6. Security

uPVC is reliable when it comes to security, as well. The way the frame is constructed, it is difficult to break through or be damaged.

7. Style

Double glazed window companies are producing all types of windows to suit any home. You can have coloured uPVC windows in a range of design, styles, and sizes. There was a time when uPVC were only produced in white colour, but there have been many developments in recent years that lead to a wider variety being offered. You can choose from tilt and turn windows, casement, french windows, and even sash windows. Nevertheless, it is important to remember that the more openings a window have, the greater the cost.

Increase You Home Value with uPVC Windows

 

What Are the Disadvantages of uPVC Windows?

1. Aesthetics

Even though uPVC windows come in many styles and colours, in some people’s eye, their simple plastic look is far from attractive, and it looks unstylish compared to aluminium or timber. Thus, if aesthetics of uPVC windows is something very valuable to you, uPVC windows might not be the best solution.

2. Structure

Due to their light weight structure, uPVC windows tend to sash and sag. In other words, they are not enough strong as aluminium windows causing rupture of the frames.

3. Customisation

When it comes to customisation choices, such as colours or patterns, uPVC doors and windows lag behind. For instance, aluminium and wooden winodws allow varnishing and painting in any colour. It helps to adapt the style of your frames to the style of your house.

How Efficient Are uPVC Windows?

Choosing uPVC windows online can significantly increase the energy efficiency in your house due to tight seals with low conductivity. Depending on the number of glass panes, the air created between them will act as a barrier that will regulate the temperature in the room and keep the heat or cold outside. 

Opting for double glazing will help to keep the house cool in summer and warm during winter. In winter, when the heat transfer is reduced uPVC windows will also cut the warmth loss, so you will consume less energy to heat the house and pay less for the energy bills. 

In summer, you usually use the air conditioner to cool the place, which increases the electric energy consumption. Double glazing or triple glazing technology is a good solution that cuts on solar heat penetration by keeping the level of coolness up and energy costs down. 

The following table shows how much a person in UK could save when installing the uPVC windows and doors. The measures were made based on the type of house you may own and the Energy rating, where A-rating is the most energy efficient. However, you can also make on your own the home energy check.

Savings with uPVC Windows
Energy rating Detached Semi-detached Mid-terrace Bungalow Flat
A rated £130 - £175 £90 - £120 £80 - £105 £60 - £80 £50 - £65
B rated £120 - £160 £80 - £110 £70 - £95 £50 - £70 £40 - £60
C rated £120 - £150 £80 - £105 £70 - £90 £50 - £65 £45 - £55

One of the main benefits of uPVC double glazed windows is that they will save you energy since the windows will not allow the heat of your home to escape easily. To help the users understand how much energy efficient their double glazed windows will be, in 2004, Windows Energy Ratings were launched by the British Fenestration Rating Council (BFRC).

If you take into consideration that 30% of the heat within your home escapes from the windows, you need to make sure that you choose uPVC windows that have high energy efficiency rating.

What Is the Windows Energy Rating?

The Windows Energy Rating (WER) will tell you how energy-efficient your windows are. The most efficient windows are those with an A+ rating and the least efficient with G rating. Hence, the rating system is based on a scale from G to A+. This system is similar to the rating systems of the other household appliances, light bulbs and white goods.

The picture below shows the typical windows rating labels in the UK which are supported by registered bodies.

Energy Rating for uPVC Windows

You are probably wondering what exactly these ratings tell you about your double glazed windows.

A window’s rating is defined by a formula that takes into account the total solar heat transmittance, amount of sun’s heat that can pass through the glass (G-value), the U-value of the whole window (both frame and glass), the air infiltration through the window seals and lastly, how good the windows are at keeping the heat in your home. Thus, the rating sums up the overall performance of the window with all its components and how effectively they work together.

Various Design Styles and Patterns of uPVC Windows

There are various uPVC window styles that can be found. Adaptability of their frames can suit any taste whether you choose to renovate an old house or build a modern property. They come with a wide colour range from black and grey to coloured uPVC windows. 

The frame style is defined by a combination of functionality, simplicity, and a touch of glamour, so this is what uPVC windows online choice can offer to brighten your house. There are several designs that create the perfect atmosphere you were looking for. 

For example, Bay uPVC windows is a sequence of at least three windows that allow the light penetrate easily and give additional space inside the house, which makes it one of the most delicate designs.

Casement windows can be produced with one or multiple panes. You are able to open it widely like a door in order to get as much fresh air flow as possible throughout the time giving a picturesque scenery of outside garden.

uPVC sliding sash windows provide modern performance to your new home. They help in retaining the energy efficiency and contemporary charm simultaneously. They have first-rate thermal properties and flawless strength. 

Are uPVC Windows Secure?

uPVC windows are highly secure due their durability. Any intruder will have an impossible time breaking the frames without making their presence known because the uPVC windows and doors do not rot, so the frames will always remain secure.

Regardless their impressive features, the locks also play an important role in home security. In the case of uPVC technology, they are equipped with modern multi-locker systems.

uPVC windows are equipped with 9 point locking system, which provides safety on all four sides. By closing the handles they are automatically locked and can be released with a simple push of a button. For your well-being, emergency exit pivots are fitted as standard to all side openings and can be opened in case of an emergency.

uPVC Windows Are Highly Secure

FAQ about uPVC Windows

uPVC in 'uPVC windows' stands for unplasticised Poly Vinyl Chloride. This is a very strong and rigid plastic that insulates your home well while also offering a high degree of security and durability. uPVC is easy to maintain, is rust-resistant and does not rot. uPVC windows can come in many styles, including bay and sash windows.

uPVC come with a secure locking mechanism, making these windows very secure for your home. Moreover, the plastic (uPVC) is incredibly durable and long-lasting, so the frames will remain secure for a very long time.

uPVC windows can last 20-35 years, thanks to their very durable material. Unplasticised Poly Vinyl Chloride is a more resilient and rust-proof material than aluminium, and does not rot like wooden windows can. Most uPVC manufacturers offer a guarantee of up to 10 years on the windows.

The cost of uPVC windows varies depending on the style and size of the window. A common project of 4 uPVC casement windows can cost upwards of £1,000. If you are looking to install more intricate window styles—like a sash window—it can cost upwards of £2,000 for 4 windows. You can read more in our uPVC window prices guide.

uPVC windows are a very cost-effective, durable, and safe option for your home. They are commonly double glazed windows, meaning your home will be very well insulated, allowing you to save money on your energy bills. In addition, the material uPVC is easy to manufacture, making them a very affordable solution for homeowners. These windows are also easy to maintain and incredibly durable and safe. 

If you consider buying the uPVC windows for your home, we are here to make that process easier. Avoid researching for different suppliers by simply filling out the contact form at the top of this page. We will provide you with free, no-obligation quotes from our trusted suppliers that will help you with your final decision.

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Written by Natalie Kunz Content Manager Natalie is the Content Manager at GreenMatch. She is educated in media & communications, and has several years of international experience in marketing and content creation. Natalie’s focus lies in the areas of finance, sustainability, business communications, and more. She and her content team have been published in reputable sites like EcoWatch, Sunday Post, Earth911, and more.
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