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100% Recyclable Profiles – Eco-friendly materials that support sustainable living.
When you are looking for patio doors for your home in Fleet, Farnborough, Aldershot, Farnham, Woking, Hook, Sandhurst, Camberley, Bagshot, Lightwater & Guildford, then Cristal Windows are the ideal double glazing company for you.
Our double glazed uPVC patio doors are available in a wide range of styles, finishes, and colours—including custom RAL options—making them a perfect fit for any home in Fleet and surrounding Hampshire areas. Whether you prefer an in-line or tilt-and-slide opening style, our doors are tailored to suit your space and preferences.
Our experienced team handles everything from structural adjustments to full installations, ensuring a seamless process. With sleek modern aesthetics and excellent performance benefits, our patio doors offer both function and flair without compromise.
Now available in double or triple track options giving a choice of opening configurations.
Upgrade your home with high-security, energy-efficient, and stylish uPVC windows designed to enhance both safety and comfort.
Multi-point locking systems and anti lift-out devices keep your home safe, offering complete peace of mind with stylish protection.
Enjoy a smooth, durable operating system with optional built-in ventilators for fresh air access without opening the doors.
Double glazing and draught-proofing keep your home warm and energy bills low with highly efficient modern performance.
Every patio door installation includes a fully insured 10-year guarantee for long-lasting quality and reliable performance.
Cristal Windows have been working with REHAU for several years, supplying and installing the highest quality uPVC patio doors. The innovative designs offer exceptional performance that will instantly improve the functionality of any property they’re installed into.
REHAU are an industry leading brand, so you can trust that their expertise and knowledge helps them to produce only the best patio door systems that have been manufactured to stand the test of time, providing exceptional standards of thermal performance, security, durability and security.
Cristal Windows are proud to be certified as a trusted installer of Yale hardware. All of our uPVC windows are manufactured and installed with security in mind, for your peace of mind. Our Yale locks exceed industry standards. Since Cristal Windows are trusted installers of Yale hardware, you will benefit from a Yale Lifetime Security Guarantee when you buy your new windows with us.
Keep your home safe, with a brand you can trust. Cristal Windows with Yale security.
Looking for competitive uPVC Patio Doors prices in Berkshire, Hampshire, or Surrey? We supply high-quality uPVC Patio Doors that offer outstanding performance, style, and energy efficiency at a price that delivers real value. Whether you’re replacing old fittings or planning a new installation, our products are built to last and tailored to suit homes of all styles and sizes.
Try our online quoting engine to receive a free, personalised quote on your bespoke uPVC Patio Doors. Prefer to talk? Call us on 01252 810 777, or if you’d rather reach out online, simply fill out our contact form and one of our team members will get back to you. We’re here to make your home improvement journey easy and stress-free.
Cristal Windows, doors & Conservatories Ltd is an Introducer Appointed Representative (Financial Services Register No. 1009945) of Phoenix Financial Consultants Limited (Phoenix). Phoenix is a credit broker, not a lender. Phoenix is authorised and regulated by the Financial Conduct Authority (FRN: 539195), and offers finance from its panel of lenders. All finance subject to status and credit checks.
Cristal Windows is accredited by FENSA, Which? Trusted Trader, and other leading industry bodies, ensuring top-tier quality, safety, and reliability for every installation.
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We offer expert installation of high-quality triple and double glazed windows, doors, bi-fold doors, patio doors, composite doors, conservatories, and roof lanterns. If your home is located outside of the areas we typically cover, feel free to give us a call—we’re happy to discuss availability and may still be able to arrange an installation in your area.
When you choose Cristal Windows for your local double glazing and triple glazing installations, you are not only choosing an ethical, professional and family run business, but also a window company that provides high-quality products. We take the utmost care when installing our range of windows, doors, and conservatories and are accredited by trustworthy schemes such as FENSA.
We offer installations to homeowners in Berkshire, Hampshire, or Surrey.
