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Windows: When to upgrade them

Windows are a key part of your home. They can cause a lot of problems if you fail to maintain and, eventually, update them. Faulty windows can impact the security, structure, and safety of your home. As a homeowner, it is your responsibility to identify when you need new windows.

When is it time to replace your windows?

If your windows are leaking and drafty, it’s probably time to replace them. Your home might be colder than it usually is at this time of year, even when you have the heating on. Faulty windows can drastically lower your home’s energy efficiency. You will spend more money and energy on heating your home. Most of the heat will escape through the windows and cool down the space.

Leaking windows can lead to long-term damage around the window. You may notice dampness and mould around the window where moisture has crept in. You should replace your windows as soon as possible if you are getting damp spots in your home.

Single glazed windows are often in older properties. They are far less energy-efficient and should be replaced.

The types of windows available

There are many different types of windows available. If you are replacing one of your windows, you should use the same style as the rest of the house. If you are replacing all of the windows, you could choose something entirely different. Ask your local authority if there are any regulations in place for your window colour and design.


A casement window is the oldest style of window in the UK. It’s a flexible design that can be modified to fit most properties, whether you want single, double or triple panels. You can add openers to casement windows and adjust the degree of ventilation. Windows are installed and made draft proof with a strong sealant.


Sash windows are often featured in period properties, particularly in London. Many listed buildings in conservation areas must replace sash windows like-for-like. The sash style has two framed panels that slide up and down. Some upper floor windows will have restrictions for safety.

Older sash windows require a lot of maintenance and rattle in the wind. Modern sash models are far more durable and energy efficient.

Tilt and turn

The tilt and turn were popular for uPVC double gazing in the eighties. They can open in several directions and open inwards – unlike other models.

Bay window

A bay window extends the property floor line and projects out from the property. They are perfect for little reading nooks. Many Victorian homes have bay windows in the living room that offer panoramic views.

There are different types of materials used for windows as well. The most popular ones include uPVC, aluminium and timber frames.

Make sure your windows are in the best condition possible.