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Casement Windows – Classic and versatile.
At Cristal Windows, we offer a stunning range of uPVC double glazed windows, from classic designs to modern styles. With so many options available, we make it easy to find the perfect fit for your home.
Our uPVC windows boost thermal efficiency, durability, and security. Upgrade with acoustic glazing and energy-efficient options for a cost-effective, high-performance solution tailored to your home.
At Cristal Windows, we provide high-quality uPVC windows designed for modern, traditional, and period homes. Our double glazing enhances aesthetics, energy efficiency, and performance, ensuring long-lasting value.
Our uPVC replacement windows enhance thermal performance, durability, and security. With acoustic and energy-efficient glazing options, you can improve your home’s functionality while enjoying a cost-effective, low-maintenance solution.
Casement Windows – Classic and versatile.
Tilt & Turn Windows – Ideal for high-rise buildings, offering easy ventilation.
Sliding Sash Windows – Traditional timber-look with modern performance.
Flush Casement Windows – Elegant and timeless.
Bow & Bay Windows – Maximize natural light for a brighter space.
Built with high-strength materials and Secured by Design accreditation, our uPVC windows provide maximum security and durability.
Choose from a range of uPVC colors and decorative glazing options. Add ventilation fans or cat flaps for a perfect mix of style and functionality.
Our double glazing helps retain heat longer, reducing energy consumption and lowering heating bills while keeping your home warm year-round.
Enjoy peace of mind with our 10-year guarantee against cracking, discoloration, and warping—ensuring lasting performance and aesthetics.
uPVC windows are a practical and cost-effective choice for modern estates, replacement projects, and value-focused home upgrades across Hampshire. We regularly install high-quality uPVC windows for homeowners in Basingstoke, Aldershot, Farnborough, and Fleet, tailoring each installation to suit the property type, layout, and local requirements.
Whether you’re replacing outdated windows or improving insulation, security, and everyday comfort, our experienced team delivers a smooth installation process and a high-quality finish on every project.
Working with leading manufacturers, you can trust that your uPVC replacement windows project is in the safest of hands. We work with REHAU, a trusted brand that have been working within the double glazing industry for a number of years. They design their uPVC windows with performance in mind. This means your home in Fleet can benefit from enhanced functionality and modern designs that have been stringent.
We are proud to offer uPVC windows from Deceuninck, one of our mainstream window systems. Deceuninck is a trusted name in the double glazing industry, known for high-quality profiles, a wide choice of colours and woodgrain finishes, and a strong focus on sustainability. This means your home in Fleet can benefit from a modern, durable window that is built to perform and easy to match to your property style.
Cristal Windows also supplies uPVC windows from Kömmerling, a respected German window systems manufacturer with a long-standing reputation for quality and longevity. Kömmerling profiles are engineered to a high standard, giving your home in Fleet a robust, low-maintenance window that combines lasting performance with a clean, modern finish.
For homeowners looking for a versatile, well-established system, we offer the Epwin Optima window range. Optima is designed to suit modern, traditional, and period homes, with a broad choice of styles and finishes. Backed by a trusted UK manufacturer, Optima gives your home in Fleet a dependable, attractive window that is tailored to the look you want.
We are pleased to offer the Residence Collection, including the R7 and R9 systems. These premium uPVC windows are designed as a timber alternative, capturing the character of traditional flush windows while delivering the low maintenance and efficiency of modern uPVC. The Residence Collection is a popular choice for period properties and conservation-style homes across Hampshire, Surrey, and Berkshire, giving your home an authentic look without the upkeep of real timber.
Looking for competitive uPVC Windows prices in Berkshire, Hampshire, or Surrey? We supply high-quality uPVC Windows 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 Windows. 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 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.
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.
Find quick answers to common questions about our triple glazing and double glazing products, installation process, pricing, and more.
The price depends on the number of windows, the style you choose, the glass specification, and any extras such as colour finishes or decorative glazing. Because every project is different, we provide a free, no obligation quote tailored to your home. You can use our online quoting engine for an instant estimate, or call us on 01252 810 777.
We supply and install casement, flush casement, sliding sash, tilt and turn, and bow and bay uPVC windows. Each style can be tailored to suit modern, traditional, and period homes across Hampshire, Surrey, and Berkshire.
Yes. Our uPVC double glazed windows are designed to retain heat, which helps reduce energy use and keep your home warmer through the year. Energy efficient glass options are available if you want to improve thermal performance further.
All of our uPVC windows are fitted with Yale locking hardware, and Cristal Windows is a trusted Yale installer. This means your windows come with a Yale Lifetime Security Guarantee for added peace of mind.
Yes. Cristal Windows is FENSA registered, so your installation is certified against Building Regulations and you receive a FENSA certificate once the work is complete.
Our uPVC windows come with a 10 year guarantee against cracking, discolouration, and warping, so you can enjoy lasting performance and appearance.
We normally work within around 30 miles of Fleet, Hampshire, covering much of Berkshire, Hampshire, and Surrey. If you are just outside that area, get in touch and we will let you know whether we can reach you.
Yes. Our uPVC windows are available in a range of colours and woodgrain effect finishes, along with decorative glazing options, so you can match the look to your property.
Cristal Windows is accredited by FENSA, Which? Trusted Trader, GGF (Glass and Glazing Federation) 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.
