Guide

What are the different methods of installation for a sash window?

When it comes to replacing windows, there are different methods of installation that you can choose from.

4 min read

Understanding the differences between ‘in the box’ and full frame window replacements

Two common methods are “in the box” window replacement and full frame window replacement. And the choice between them depends on various factors including budget, the condition of existing frames, and desired finishes.

In this expert article, we will explore the differences between these two methods and help you understand which one may be the best choice for your home. Let’s start by understanding the fundamentals of In the Box and Full frame window replacements and discuss their pros and cons.

What exactly is “in the box” window replacement?

“In the box” refers to the process of replacing only the glass panes of your windows while keeping the existing frames intact. This method is also known as insert window replacement.

It is indeed a popular choice when the existing window frames are still in good condition and only the glass needs to be replaced.

The process of in the box window replacement involves removing the old glass panes and installing new ones in their place. This can be done without disturbing the existing frames, trim, or siding.

It is a relatively quick and cost-effective method compared to full frame window replacement.

One of the advantages of in the box window replacement is that it allows you to maintain the original look and style of your windows. If you have historic or architecturally significant windows, this method can help preserve their character while improving energy efficiency and functionality!

Pros:

  • Cost-effective
  • Quick installation
  • Less Disruption
  • Preserves the Original Look & Aesthetics

What is full frame window replacement?

Full frame window replacement involves replacing both the glass and the entire window frame. This method is recommended when the existing frames are damaged, deteriorated, or not energy efficient. It is also a good option if you want to change the size, shape, or style of your windows.

The process of full frame window replacement is more involved and time-consuming compared to in the box window replacement. It requires removing the entire window, including the frame, trim, and siding. This allows for a complete inspection of the window opening and ensures maximum glass space and energy efficiency.

This replacement option offers several benefits. It allows for a perfect fit between the new window and the frame, minimising air leakage and improving insulation.

It also provides an opportunity to address any underlying issues such as rot, moisture damage, or structural problems. Additionally, full frame replacement gives you the flexibility to choose new window styles and features that can enhance the aesthetics and functionality of your home.

Pros:

  • Addresses Structural Issues
  • Updates Aesthetics
  • Improves Insulation
  • Enhances Energy Efficiency

Choosing the right method for your home

The choice between in the box and full frame window replacement depends on multiple factors. If your existing frames are in good condition and you want to maintain the original look of your windows, in the box replacement may be the best option for you. It is also a more cost-effective choice for smaller projects or when the frames are still structurally sound.

On the other hand, if your existing frames are damaged, deteriorated, or not energy efficient, full frame window replacement is recommended. It allows for a complete upgrade of your windows, addressing any underlying issues and providing maximum energy efficiency and functionality.

Our friendly team here at Fenster Glazing would be more than happy to assess your specific needs and determine the best method for your home. We can provide expert advice, recommend suitable products and ensure professional installation for long-lasting results.

Fenster Glazing: your window replacement experts

To learn more about our window replacement options and to get a free personalised quote by using our online quoting tool. Input your preferred styles and your home’s dimensions, and we will provide you with a detailed quote.

Alternatively, you can contact our friendly team using our online contact form or by giving us a call.

We are here to discuss your requirements and help you transform your home with our top-notch window replacement solutions. Get started now!

Next step

See the products this guide covers.

Each page covers the options we fit, photographs of our own work and how to get a price.

Send an enquiry

Tell us what you are dealing with.

Describe the window, door or project and roughly where you are. Photos help, but they are not required. We will review the details and contact you about the next step.

  • Repairs, replacements and new installations
  • Based in Milton Keynes, with our own fitters
  • Phone lines open 24/7 on 01908 429200
Choose enquiry type
Project enquiry Tell us the basics.

A few useful details are enough. We confirm the exact specification after survey.

Your contact details
How should we reply?
A few project details