Should I Replace 20-Year-Old Windows In The UK?

Your existing windows could possibly benefit from being replaced if they are approximately 20 years old and you have draughts, condensation between the window panes, problems opening and closing them, increased energy bills, or insulation issues.

There is not always an urgent need to replace 20-year-old windows; however, older windows might deteriorate over time, and new uPVC, aluminium, or double-glazed windows could offer better security, efficiency, appearance, and other benefits.

In this guide, we will look at the most important symptoms of worn-out windows and considerations for UK homeowners considering window replacement.

Signs Your 20-Year-Old Windows May Need Replacing

Draughts Around The Frame

If you experience cold air surrounding the frame, then it could indicate that the seals might be worn out, or perhaps the window does not fit right anymore.

Condensation Between Glass Panes

Water trapped inside the panes is an indication that the sealed unit needs replacement, and hence affects its insulating ability.

Difficulty Opening Or Closing

Stuck or difficult-to-close windows could result from warping, wear or damage on the window’s frame.

Rising Energy Bills

In older windows where insulation was not adequate, there might be heat loss, leading to a strain on your heater during winter.

Visible Damage Or Rot

Timber windows could face problems of warping due to prolonged weathering effects.

Do 20-Year-Old Double Glazed Windows Still Work?

Double glazed windows that are about 20 years old can be doing a good job as long as they are in excellent condition and do not have any issues at all. It is important to note that older double glazed windows are less likely to be as efficient if there are issues with their seals or frames and they provide poor insulation.

You should replace your windows if they cannot be closed properly, are hard to open or have condensation between them. If there are any draughts, mists or poor insulation, you should think about replacing your windows.

Benefits Of Replacing Old Windows

Better Energy Efficiency

Modern windows have been constructed for better insulation and energy conservation.

Improved Comfort

Most modern window systems come with upgraded locking systems and frame materials.

Better Security

New windows may also minimise draughts and noise pollution from the outside.

Improved Appearance

Installing new windows may rejuvenate the looks of your home.

Should You Repair Or Replace Old Windows?

In certain instances, problems like broken handles, loose hinges, or faulty seals can potentially be repaired. If windows keep being drafty, hard to open, frosted up between panes, or losing heat, replacement could actually be the way to go.

Problem	Repair May Be Enough	Replacement May Be Better
Broken handle	Yes	Not usually
Failed sealed unit	Sometimes	Often
Rotten timber frame	Rarely	Usually
Draughts around frame	Sometimes	Often
Poor energy efficiency	Rarely	Usually

Are Modern Windows More Energy Efficient?

Modern windows usually have the benefit of being more insulating than their counterparts. This is usually due to better construction methods, efficient glazing and sealing, and even better locking mechanisms to keep the heat from escaping and increase comfort levels.

This is particularly relevant for properties in the UK, which tend to be cooler during the winter months.

Will New Windows Reduce Condensation?

The installation of new windows could address any condensation problems where older windows might have faulty seals or poor insulation. Yet, condensation could also result from too much moisture in the home due to inadequate ventilation.

Condensation between glass layers could mean that there is a faulty sealed unit. Condensation occurring on the inner layer of the glass could mean that ventilation needs to be improved.

Do You Need Planning Permission To Replace Windows?

Double glazed windows that are about 20 years old can be doing a good job as long as they are in excellent condition and do not have any issues at all. It is important to note that older double glazed windows are less likely to be as efficient if there are issues with their seals or frames and they provide poor insulation.

You should replace your windows if they cannot be closed properly, are hard to open or have condensation between them. If there are any draughts, mists or poor insulation, you should think about replacing your windows.

What Type Of Replacement Windows Should You Choose?

uPVC Windows

Bay Glass window with white upvc finish and decorative glass

uPVC windows are one of the most popular options for easy-to-install windows that provide great insulation and come in numerous designs.

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Aluminium Windows

Aluminium windows are relatively modern window design which uses slender frames and features a modern look.

Sash Windows

Sash windows is perfect for buildings that have a period style to them.

Casement Windows

Casement windows are a very useful window that can be installed into almost any building.

Frequently Asked Questions

You should look into replacing your 20 year old windows, if they are drafty, hard to open, fogged up between the panes, damaged or no longer effective.

Double glazing is very durable but how long they will last is dependent upon the materials used and how well they were installed and maintained.

Replacing older windows when there are seal failures, drafts or the house is cold next to the windows is something to think about.

If you have old windows, heat could escape through the windows making it hard to keep warm inside your home.

There are some that prefer to change all their windows out at once for uniformity and others that only change the worst ones at first.

Replacement Windows For UK Homes

St Helens Windows supplies a selection of different window types for replacements that can offer you benefits of comfort, security, and energy efficiency among others.

If your current windows are drafty, steamed up, or just old, our experts can assist you in selecting an appropriate choice of replacement windows. Call our team on 01744 611203 to book a free appointment or to discuss your requirements.

01744 611203