Home Improvement Sidcup


Welcome to Affix Windows: Double Glazing Sidcup, Kent.

Our team of double glazing experts supply and install high quality double glazed windows, doors and conservatories in Sidcup, Dartford, Blackfen, Bexleyheath, Bromley, Chislehurst, Gillingham, Welling, Kent and London. Our double glazing products are designed to meet our customer’s needs. Quality is our top priority here at Affix Windows, with all of our structures complying with British Standards.

If you have any questions regarding our products, please contact us today. You can do this via our contact form or by calling us. Alternatively, you can get a free online Kent double glazing quote using our online double glazing designer.

Design Your Own Composite Door

Create your custom composite door for free with our new Solidor door designer. Explore a vast array of styles, colours, glass, and components and receive your free quote today.

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Our Products


Our most popular renovation option, our double gazed windows deliver excellent thermal efficiency and complete weatherproofing. We offer a range of different Kent double glazing styles, with options for modern and traditional homes alike. Explore our windows range today.


We have external doors for everyone. Whether you’re better connecting your Sidcup home and garden, or are looking to add a splash colour out front, we have you covered. We’ve options for all different budgets, so check out our door range now!


For those looking to make significant renovations here in Kent, we have our conservatories. Thermally efficient, low maintenance made bespoke to order, they’re perfect for you. We have options for everyone, so find your dream extension with Affix.

Double Glazing Prices, Sidcup

With our double glazing prices, you can enhance and improve your home’s performance and looks without exceeding your budget.

Find your bespoke double glazing Kent quotes in an instant with our online double glazing cost calculator. Just enter your specifications and our clever and easy to use calculator will provide you with a tailored quote in no time at all.

Contact Us for Double Glazing in Kent

If you prefer to discuss your Sidcup windows and doors with our team, then you can contact us to book an appointment.  You can find us in Blackfen Road, Kent where our double glazing showroom offers a range of industry-leading products. We are here to help you get the very best double glazing for your property at the best prices possible, so get in touch!

We even have an expert team on hand to install your new double glazed products, making sure it is the perfect fit. All of our double glazing options for Sidcup and Kent homes are low maintenance and have been designed to save you time and money so that your Sidcup home improvements are genuinely cost-effective and will add value to your home.

High Quality Double Glazing in Sidcup & Throughout Kent

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