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How Long Does It Take to Install Replacement Windows?

(4 min read)

Installing replacement windows can be an exciting and rewarding project for your home, and, whilst installation isn’t quite as simple as some make it out to be, it doesn’t have to be a headache either.

As the years go by some of the windows in your home will likely need to be replaced. Naturally, windows are usually subject to damage and/or wear over time, through exposure to weather conditions and continuous use.

It’s likely the average homeowner doesn’t know how much time it takes to install replacement windows unless they’ve previously experienced the process. When considering how long window installation takes, you should keep in mind that this process depends on a variety of factors.

Quick FAQs

How long does it take to install a window?

For a regular uPVC window it typically takes a professional window installer between 60-120 minutes.

Can all the windows in a house be replaced in one day?

Yes. In many cases the all the windows can be replaced in a single day for an average sized family home.

Below, we will explain the factors that influence the time needed to install replacement windows.

If you have decided you want to replace your windows, please keep reading.

Timeline of a Window Installation

So, how long does it take to install replacement windows?

Quick Answer: The time needed to replace a standard window can be as little as 1 to 2 hours. When it comes to replacing a lot of big custom windows, one or two days may be required. Skilled window installers can typically replace between 4 to 6 windows per day.

However, this is not a cut-and-dried process. The timeline for a window replacement can be pretty long, even though the job is fairly simple.

Different types of windows will take a different amount of time to be installed. For example, custom windows take longer because they have to be specially ordered.

Normally, the timeline for the window replacement job can vary between four to fifteen weeks, after the initial evaluation of a window replacement contractor.

You don’t have to be discouraged by the timeline. Having a leaky window fixed and putting in insulation can cut your energy costs all year long. Your savings will last a lot longer than your wait in this case.

Factors Affecting the Timeline of a Window Installation

How fast do you expect your new windows to arrive? It is no secret that the length of the window installation process depends on the installer’s schedule.

As we mentioned before, a few factors can affect the total time it takes to replace your windows.

Here are the most important ones:

The manufacturer: The manufacturer has to deliver the windows to your installer. If the manufacturer cannot deliver them on time, the timeline from purchase to installation may be prolonged.

The complexity of the process: Sometimes, a homeowner needs to replace only one pane of broken glass. Other times, they’ll require the installation of a whole house’s worth of double-glazed windows. If the second scenario refers to your case, you should arm yourself with patience because installing more windows means a longer timeline.

Furthermore, the larger the windows, the more panes of glass, and the longer the job will take, especially if they are custom and have to be specially ordered.

The installer: The installer’s experience level and reputation are of keen importance.

Obstructions: They can be in front of the windows, around the window openings, or on the inside of the home, such as plants or heavy outdoor furniture.

Time of the year: Keep in mind that during the summer season window companies can get extremely busy. Moreover, installing one window at a time during the winter may minimize heat loss, but it might make the installation process much longer. You should also keep in mind that if the rain is falling particularly hard, it may result in moisture entering the house. Working in strong winds or thunderstorms is not safe.

Why Should I Replace My Windows?

With a little planning and effort, replacing your windows can be a great investment for your home. New windows are worth saving for. They will improve ventilation and provide better structural integrity than their older counterparts. They will also result in savings on your energy bill every month. New windows are worth the investment, so don’t wait too long to replace them.

But, how do you know if it’s time to replace your windows? Read our post: 5 Signs That It’s Time to Replace Your Windows, to get answers to your question.

How Much Does It Cost to Replace a Window?

For many replacing their home’s windows is a considerable investment. But the good news is that the benefits of replacing them will hopefully outweigh the cost burden.

Want to know how much the installation process will cost you?

Use our Instant Online Pricing tool to get an instant quote. Simply choose the type, size, and the number of units you require to get your instant quote.

Instant Online Double Glazing Quote

Choosing Your New Windows

In this article, we have provided information on how long it takes to install replacement windows. We hope this information was helpful and answered any questions you may have had. However, if you have further questions, please don’t hesitate to call us and one of the team will endeavour to help.

Ready to choose your new windows? Visit our showroom or get in touch with us. We will be glad to help you find the right replacement windows to fit your needs.

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Paul Wallis
Paul Wallis
We recently decided to replace our front door, and could not be happier with the result! Thanks so much to Kate, for her time and understanding. Cannot say enough good things about the installation, and Cameron was tidy and efficient. It's been a pleasure to work with Three Counties recently, doors and windows. Many thanks!
Danielle Horsley
Danielle Horsley
Lovely looking door
Agatha W
Agatha W
Three Counties have been superb, their customer service is great and their workman were polite, cleaned up after themselves and the workmanship is excellent!! I am very pleased with their work and would happily recommend them.
Tom Winter
Tom Winter
Excellent service!! We had 21 windows and 3 doors installed and very happy with it all. The process from start to finish was stress free and Ron and Lee who installed the windows and doors were great. Would definitely recommend!
Phil Redhead
Phil Redhead
Just had my tatty old windows replaced by Three Counties, and it’s been a highly professional job from start to finish. Communication from the administration team was prompt and courteous at all times, and installation ended up being much quicker than advertised projections. Installation was without issue and the lads who did the work were amenable to my requirements and did an excellent job. Very happy with the entire process. Three Counties were recommended to me by friends and I can certainly now recommend them to others.
Mark Boyce
Mark Boyce
Bought two new windows and a new front door from Three Counties, was very impressed with the attitude of all staff, who were friendly and informative. Price was good, and installation completed without a hitch - very happy with the final product, and would definitely use again.
Paul Picknett
Paul Picknett
We have just had all our windows (18) replaced, french doors (20 and side panels (2) by Three Counties. We could not be more pleased with their workmanship and the finished product. They left the property incredibly clean after each day, and this despite the messy nature of ripping out old windows and frames. We were kept informed at each stage and a minor snagging issue was resolved promptly and efficiently after installation. A first class service. We would not hesitate to recommend Three Counties.
Anna Trevelyan
Anna Trevelyan
Three Counties have now installed several windows and doors on our house and they're always my go-to company. I used another before I discovered them and they let me down, but I absolutely cannot fault Three Counties. From the moment you contact them they're courteous and professional, and they keep in touch with timescales and installation times. Friendly installers too, who go above and beyond. You'd think all this great service would cost more but they beat other companies on price. Highly recommended and trusted, I'd never go anywhere else now.