Understanding your window warranty

Before investing in new glazing, it’s vital to understand the warranty that comes with your new windows.

It’s the promise that protects your money long after the installers have packed up and gone. A good warranty typically covers two things: the product itself (the frames, glass and accessories) and the workmanship (the quality of the installation).

Many homeowners focus on price alone, but the strength of your warranty coverage often tells you far more about the company you’re trusting with your home.

In this guide, we’ll explain what’s usually covered, the difference between product and installation guarantees and what you get with our 10-year insurance-backed guarantee here at Amazing Glazing.

Windows warranty: what’s typically covered

A solid window warranty gives you reassurance across several areas. Here’s what you can usually expect.

Frames and seals

Most warranties cover the integrity of the frames against cracking/changing shape over time, along with the seals that keep draughts and damp out of your home.

Glass units

Your glass is typically protected against issues like misting or condensation appearing between the panes, which signals a failed seal.

Hardware and accessories

Working parts such as hinges, handles and locks (the accessory items that keep your windows secure) are usually included as part of the manufacturer warranty.

Installation workmanship

This covers the fitting itself, ensuring your windows have been installed correctly and remain weathertight.

What’s the difference between product and installation guarantees on new windows?

These two guarantees protect different things.

A product warranty (or manufacturer warranty) covers faults in the materials themselves, such as a faulty mechanism or a defective glass unit.

An installation guarantee covers the workmanship, meaning the way the windows were fitted into your home. You really want both.

A brilliant window fitted poorly will still cause problems, and a perfect installation can’t fix a faulty product. Our 10-year insurance-backed guarantee covers your investment as a whole, giving you joined-up protection rather than gaps between separate policies.

What to look out for with a window warranty

Being open about what isn’t covered is part of our honest approach. Here are the common factors that can void a warranty.

Lack of maintenance

Most warranties ask you to follow basic care instructions, like cleaning the drainage channels and lubricating moving parts.

Neglect or misuse

Accidental damage, forced entry and cleaning frames with harsh chemicals can all affect your cover.

Unauthorised alterations

Any DIY changes to locks or frames after installation may void the manufacturer’s warranty.

Coastal locations

Homes near the coast may need more frequent maintenance to guard against salt corrosion, which can affect warranty terms.

The benefits of long-term cover

We’re comfortable putting longer warranties in place than the industry standard, because we’re really confident in the quality of their products, and our wonderful team who fit them. The vast majority of our customers never need to give us a call or utilise their warranty once the installation is done. But it’s still worth having long-term cover for these reasons:

• Peace of mind that your investment is protected for years to come
• Protection if the installing company ever ceases trading (through insurance backing)
• Reliable warranty service from a team that stands behind its work
• Stronger resale appeal, as buyers value documented guarantees
• Honest, ongoing customer service whenever questions arise

What you get with the warranty at Amazing Glazing

We keep things simple. All our home improvement services come with a full 10-year guarantee, and it’s an insurance-backed guarantee (IBG) provided through HomePro.

This means your installation stays protected even if the business environment changes. We’re also a FENSA-approved installer, which means our work is independently assessed to comply with UK Building Regulations and registered correctly. We source from top-tier, industry-regulated suppliers including Yale, Eurocell and Pilkington. We’d encourage you to keep your HomePro IBG and FENSA certificate somewhere safe.

Replacement windows from Amazing Glazing

Window styles

• Casement windows: A classic choice, hinged at the side or top, opening with a simple turn of the handle.
• Flush sash windows: Sit neatly flush within the frame for a smart, traditional finish that suits period homes.
• Sliding sash windows: Open vertically, sliding up and down for an elegant heritage look.
• Tilt & turn windows: Versatile and practical, tilting inwards at the top for ventilation or opening fully for easy cleaning.

Why choose uPVC?

uPVC stands for unplasticised polyvinyl chloride, a durable, weather-resistant material. It’s the UK’s favourite today thanks to its low maintenance, brilliant insulation and long lifespan.

Who are Amazing Glazing?

We’ve been the leading provider of windows and doors across Kent and the south east for over 15 years.

We supply windows, doors, conservatory insulation, roofline products and various glazing upgrades, all fitted by our premium-standard team.

You’re more than welcome to get in touch for a free, no-obligation quote. Call 0800 062 2103 or email info@amazingglazingkent.co.uk today and we’ll send your confirmation and all the info you need. You can also get as quote pretty easily online, you just need to fill in our form.