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High Performance Double Glazed Windows

Upgrade your home with sleek, stylish, and highly insulating uPVC double glazed windows. Whether you choose our classic double glazed sliding sash windows or modern uPVC flush casement windows, you’ll be amazed at how much they enhance your home’s appearance and energy efficiency.

Get your free quote today from our online form, or reach out to our friendly and expert team to find out more about our uPVC double glazed windows.

  • Wide Range of Styles
  • 10 Year Guarantee
  • Energy Efficient
  • Instant Aesthetic Boost
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The team at Britannia Windows appreciate you taking the time to contact us. One of our friendly and knowledgable advisors will be in touch with you as soon as possible to provide our very best quote.

We look forward to speaking to you soon,

The Britannia Windows team.

Key Features

Fully Accredited

You need to be sure that you’re using a home improvements company you can rely on. That’s why we hold a wide range of accreditations, to give you peace of mind!

Finance Options

Don’t stress about delaying the start of your window upgrades! Thanks to our financing options, you can get the new windows you want, with a payment schedule that works for you.

10 Year Guarantee

You want to know that any upgrades you make to your home will last, so we offer a 10 year guarantee to assure you that we’ll be there in the unlikely event that something does go wrong.

Free Home Visits

Don’t get caught out paying for a quote! We offer free home visits so that we can provide comprehensive and completely free quotes to all of our potential customers!

double glazed sash windows

Thermally Efficient Double and Triple Glazed Windows

When choosing new double glazing or even triple glazing, it’s important to consider energy efficiency, security, and style. Every window we install is double glazed as standard, offering exceptional insulation to keep your home warm and comfortable all year round.

Our uPVC double glazing helps to effectively control the heat movement and thermal transfer in your home, meaning you’ll be less reliant on central heating and helping you save on your energy bills. Whether you are looking for replacement double glazing or want to upgrade to unbeatable triple glazed windows, our unbeatable designs deliver long lasting comfort and thermal efficiency.

Double glazed uPVC window prices can vary, but your long term saves make them a fantastic and cost effective choice. Getting your free quote is simple, see your new uPVC windows and discover the benefits double glazing in just moments. Did you know we also offer secondary glazing options for even greater energy efficiency?

new double glazed windows near me

Wide Range of Window Styles

We offer a great range of windows shapes, sizes and styles, so you know you can be sure to find something that will seamlessly fit in to your home. Whether you are looking for heritage aluminium windows, that bring a timeless charm to your modern home, to sleek double glazed sash windows that bring a clean and contemporary look, there’s always something to suit every taste.

We also provide aluminium and uPVC windows in various styles, including casement windows, sash windows, tilt & turn windows, and sliding sash windows. You’ll be spoilt for choice when you choose your home’s new double glazed windows.

Our expert installation ensures a perfect fit and finish, while our sash replacement services restore older windows to their full functionality. Replacement uPVC windows combine the latest in window technology, energy efficiency, and aesthetics, making them one of the best choices for any home upgrade.

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Customise Your Windows

Our range of double glazed windows is designed to help you make your new windows uniquely yours. Our uPVC double glazing and aluminium options can be customised with style, colour, size and glazing options, whether you go for double or triple glazing. From upVC sash windows to flush casement frames, you can find the perfect style and finish for your home.

Whether you choose aluminium double glazed windows, or modern uPVC windows, you’ll know that your new windows are strong, durable, and stylish.

For maximum performance, homeowners can even upgrade to triple glazed windows, enhancing insulation and reducing noise. Get your personalised double glazed window price quickly using our online quoting tool.

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Replace Your Worn Windows Today

If your home is experiencing draughts, rising energy bills, or worn-out frames, it’s time for replacement uPVC or Aluminium windows. Upgrading your windows improves energy efficiency, comfort, and curb appeal.

Whether you need full sash replacement or want to modernise your home with new double glazing, our trustworthy team is here to help. While uPVC windows cost may seem like an investment, the long-term savings on energy and maintenance make it worthwhile. Flexible finance options are available to help you plan your project with confidence.

Double Glazed Window Prices

At Britannia Windows, we are your local double glazing company. If you are looking for uPVC windows cost, use the instant form at the top of the page to get a fast, free double glazed window quote tailored to your specifications, with zero obligations to buy! You’re just a few clicks away from the start of your journey to higher-performing, stylish windows for your home!

From uPVC double glazed windows to specific designs like; flush casement windows, classic casement windows, double glazed sash windows, tilt and turn windows and even triple glazing- we have something for everyone! Is uPVC not your style? We have plenty of aluminium window options to offer!

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Credit is subject to status and affordability. Terms and conditions apply. Authorised and regulated by the Financial Conduct Authority. Network Britannia Windows Limited FCA Register no. 738269 trading as Britannia Windows Bognor, Britannia Windows Bristol, Britannia Windows Eastleigh is an appointed representative of Ffenestri Limited FCA Register no. 716352 Kimberley Road, Clevedon, Somerset, BS21 6QJ is a credit broker, not the lender. Credit is provided by Novuna Personal Finance, a trading style of Mitsubishi HC Capital UK PLC. Authorised and Regulated by the Financial Conduct Authority.

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