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Secondary glazing is a no-brainer if you’re looking to:

• Improve insulation
• Reduce noise
• Avoid replacing your original windows
• Preserve the character of period sash windows
• Cut down on drafts

Read on for everything you need to know about secondary glazing in Belfast – including average costs and hiring tips.

Keen to get cracking on searching for a secondary glazing installer right away? Try our quick request a quote feature and we’ll put you in touch with tradespeople covering your local area.

How much does secondary glazing cost?

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To help with your budgeting, our secondary glazing cost guide has lots more on prices.

How long will secondary glazing last?

With quality materials and correct installation, secondary glazing can often last for 15-20 years or more. That’s because there's less exposure to weather, unlike your primary windows.

Do you still get condensation with secondary glazing?

Secondary glazing helps reduce internal condensation by creating an insulating air gap, but it doesn’t always eliminate it.

Making sure you have proper ventilation, like trickle vents, is also important. Our home ventilation solutions expert guide has lots more tips to try.

Do I need planning permission for secondary glazing?

Most of the time, you don’t need to get planning permission for secondary glazing. This is especially the case for removable secondary glazing.

However, for listed buildings or conservation areas, you should check with your local council first. An experienced installer will know the ins and outs of it all, too.

How long does it take to fit secondary glazing?

Fitting secondary glazing is a relatively straightforward and quick job. For a few standard windows, installation may take a day or two.

However, it all depends on how many windows you have and their type. That’s why it’s always best to speak to a glazer directly to get an exact quote and outline of timings.

Why use Checkatrade?

• Fully checked installers covering your local area
• Insurance always listed
• Easy to compare multiple profiles
• Handy reviews from local customers
• Covered by the Checkatrade Guarantee (T&Cs apply)