Installing a Window

How long does it take to install a window? It takes between 2 hours to half a day to fit a window. The time it takes to install the window will be different depending on the size and type of window.

Double Glazing on the Web knows all there is to know about window installation with our years of experience in the industry. Let us fill you in on the process of installing a window.


how long does it take to install a window?

Installation Time Frames

A small or average sized windows can take up to hours with one professional installer.

A large window can take up to 2 hours with two professional installers or 3 to 4 hours with one man installing. If you opt to install a window yourself, then these time frames will change, depending on your experience. We advise against fitting a window without the assistance of a professional installer.

A bow or bay window can take the longest to install due to their intricate design. Bow or bay windows can take half a day to install with two professional installers. It is near on impossible to fit a bow or a bay window with just one single installer.

Window Installation

When you have chosen the colour of your window, the handle colour, you are now ready to install your window.

An experienced installer or two will arrive at your property, and first will ensure your window is safe to access. Do not worry about moving furniture, the fitter can do this if they require. The installer will carefully prepare their working area for a clean and tidy installation process.

If you are having your entire window replaced, then the fitter will measure up the area of the new frame before taking your old window out. The installer will then begin to remove your old window. The fitter will check with a spirit level that everything is even and then will move on to fit the new glass unit.

Once the window frame is placed firmly into the brickwork, the installer will carefully place the glass sealed unit into the frame and gently fit the beads to enclose the glass frame.

The installer will then ensure that your window has the perfect finish, by placing silicone along the frame.

The installation is now complete, and the fitter will tidy up their area before leaving you to your new window.

All our suppliers have years of experience of installing high-quality uPVC double glazed windows. This can give you the peace of mind that your window installation will be efficient and professional.


window installation

Why Choose a Professional Installer?

Deciding to install a window yourself, can be a cost-effective way to have your window replaced. A professional installer is experienced to fit a window, providing you with all the benefits this window has to offer.

Most window installations only require one installer; however, it is advised to have two of you to help one another out. A large window on your own could take up to 4 hours, and that is for someone who is highly skilled in window installations.

Home improvements can be a very time-consuming task to your day to day schedule. We understand that arranging an installation date to the best date for you is essential. If you are concerned about finding a supplier to appoint you an installation date that is convenient for you, then you do not need to worry. With our experience, we know that as little disruption to your schedule is essential for you.

Window Styles

The main factor that can affect how long it takes to install a window is the type of window style you are having fitted. There are many types of windows to suit each different home style, from modern to traditional properties.

Casement windows

A casement window is a practical, attractive and versatile window. Being one of the most popular uPVC window styles on the market, it is suited to a variety of applications.

uPVC Casement Windows

Tilt and Turn Windows

A tilt and turn window is a stylish and contemporary uPVC window that is both attractive and functional. Tilt and turn windows combine quality aesthetics with a revolutionary design.

uPVC Tilt and Turn Windows

Flush Sash Windows

A flush sash window is an attractive, low maintenance window that is highly secure and thermally efficient.

uPVC Flush Sash Windows

French Casement Windows

A French casement window is a beautifully designed window that provides your home with enhanced views. French casement windows offer effective ventilation and traditional aesthetic design.

uPVC French Windows

Bi-Fold Windows

A bi-fold window is a window that can fully open one side of your room while allowing you to keep valuable wall space. Bi-fold windows are an increasingly popular design that enhances any property with its versatile and stylish design.

Bifold Windows

Bow Windows

A bow window is a variation of the bay window, where it is made up from four or more individual window units of a similar size, creating a soft, curved edging.

Bay Windows

A bay window is a classic window design, providing full and unobstructed views that give your home a sense of spaciousness.

uPVC Bay Windows

Sash Windows

A sash window is a traditional window design that combines classic aesthetics with modern uPVC technology for a more superior look.

uPVC Sash Windows


Double Glazing Window Installation and Prices

Double glazing window installations and prices will differ dependant on the size and style you choose. Whether you want a small or a larger window, it is always advisable to use a professional installer. If you have previous experience in fitting a window, you may think about doing it yourself. However, a professional installer will ensure that your window is installed to ensure it provides you with all the benefits it is supposed to.

So how long does it take you to install a roof? Well, that depends on the style you choose. Browse our window styles here. When you have selected your window frame, get your free online window quote. We have also written an extensive double glazing prices guide to help you make the right decision of your double glazing window installation.

Alternatively, contact us and give us a call on 0800 015 5679, and we can help you find the right window style to suit your requirements.

Frequently Asked Double Glazing Questions

Frequently Asked Double Glazing Questions

Do UPVC Windows Need Trickle Vents?

Trickle vents are not a requirement, however they do offer additional ventilation without the need for opening your windows so can be a valued add on.

How Long Will It Take To Install My Casement Window?

Because every job is different, it is best your talk to your double glazing installer who will be able to give you an exact timescale.

Are There Other UPVC Casement Window Styles?

Other UPVC casement window styles include the French casement window which is a more traditional take on the standard casement style.

Will I Have A Choice of Casement Window Locks?

A high security lock will be fitted as standard with your new casement window but your double glazing installer will also offer a choice of security upgrades.

What Are Flush Casement Windows?

Flush casement windows are where the unit sits flush to the frame, creating a super sleek look.

Are There Different UPVC Casement Window Sizes?

UPVC casement windows come in a wide range of sizes to suit your property. You can specify your casement window size in our window cost calculator to get a unique window price!

Can I Choose My Casement Window Handles?

Your double glazing installer will offer you a choice casement window handles and casement window hardware options so you can achieve the perfect look.

What is a Casement Window?

A casement window is attached to its frame by one or more hinges. A casement window is hinged at the side allowing them to open extremely wide. These windows can double up as emergency exits and are perfect for hard to reach places within the home, with many home owners installing these windows behind their kitchen sinks.

Where Can I Get A Tilt and Turn Windows Price?

You can get a tilt and turn windows price using our window cost calculator which will give you a free and unique quote within a matter of minutes.

How Does The Tilt and Turn Window Mechanism Work?

The tilt and turn window can be ‘tilted’ inwards due to its unique turning action which allows the window to be easily accessed from both inside and out. All it takes is a swift turn of the handle.

How Much Do French casement windows cost?

The cost of French casement windows will vary depending on installer but you can get an average casement windows cost using our free online quoting engine

How do UPVC Sash Windows Work?

UPVC vertical sliding sash windows are built to either slide vertically downwards or upwards. This opening function makes the UPVC sash window much easier to use compared to traditional wooden windows where the only choice is double hung and single hand.

Are UPVC Sash Windows Easy To Use?

UPVC sash windows are very easy to use. Their spiral balance mechanism allows for smooth operation so you can open and close your windows with ease. UPVC sash windows are also incredibly low maintenance and require very little cleaning.

Why Should I Choose a UPVC Sash Window?

UPVC sash windows are incredibly attractive and make a stunning addition to any property and are relatively low maintenance thank to their UPVC design. You can enjoy a traditional aesthetic for many years to come thanks to their long standing properties.

Replacement Sash Windows In A Conservation Area

If your home is a listed property or within a conservation area then you will need to seek planning permission.

Bay or Bow Window?

Simply put, it really depends! Bay windows offer often much welcome and useful extra storage space to the frontage of homes. On the other hand, bow windows provide a curved shape alternative in terms of look compared to bay windows. They are both beautiful options and can add much character and charm to the right property.

Can Bay Windows Look Modern?

Bay windows can easily be either modern or traditional depending on the combination of glass and / or coloured uPVC profiles now available. Subsequently, its easy for these windows to seamlessly blend in with contemporary or old properties.

Can Double Glazed Windows Reduce My Heating Bills?

When you install double glazing in your home or commercial property, it is likely that the extra heat retention will lessen the need to use central heating systems. In turn, this could mean you see a drop in heating bills. If you are concerned about your energy bills, it is easy to compare business energy or home energy online.

What Makes Flush Sash Windows Different?

Flush sash casement windows are specifically designed to imitate the appearance of traditional wooden timber windows by appearing to have the same sashes that finish 'flush' with the outside face of the window.

Should I replace my old sash windows?

Sash windows are a key feature for many traditional period buildings. Sash windows were traditionally built using timber, which is fairly high maintenance and has a tendency toward rotting and warping. Over time, these windows can become draughty and insecure. uPVC sash windows are a great way to experience the benefits of modern double glazing, without sacrificing the aesthetic of your home. uPVC sash windows will not rot or warp and require little maintenance. They are also thermally efficient, which means that your home will not require as much heating.

How much does sash window restoration cost?

The cost of sash window restoration will depend on the survey result. Standard draught proofed sash windows (without sill replacement) usually starts at about £500 per window. The time taken will also depend on the survey result.

Can I install double glazing into my original sash windows?

This will depend upon what type of window you have. Replacing existing moving sashes with new, double glazed replicas might to be possible.

How much does it cost to replace a sash window?

The cost of replacing a sash window will depend on many factors including: style, size, material and glazing. A wooden sash window will cost significantly more than a uPVC sash window. A wooden sash window can cost up to £1000. Wooden windows are more expensive to manufacture so expect to pay that bit more. uPVC sash windows can be designed to mimic wood and are much cheaper in price. The starting price for a standard uPVC sash window is on average £525.

Window Cost Calculator