24 Emery Rd, Brislington, Bristol BS4 5PF, United Kingdom
01179 717880 07774 273618
4.8

Energy Efficient uPVC Windows

Upgrade your Oxford home with our expertly designed uPVC windows, blending classic elegance with modern efficiency. Perfectly suited to a variety of properties—from charming period houses to contemporary family homes—our windows provide an ideal combination of style, durability, and energy-saving performance.

Crafted with advanced multi-chambered profiles and secure multi-point locking systems, our uPVC windows deliver exceptional insulation, reducing heat loss and lowering energy bills year-round. Their sturdy, weather-resistant construction ensures reliable performance in Oxford’s unpredictable climate.

With an extensive selection of styles, colours, and realistic wood-effect finishes, every window can be customised to complement your property’s character and aesthetic. Low-maintenance and built to last, these uPVC windows deliver a practical, secure, and visually appealing upgrade that enhances both the comfort and value of your home.

Contemporary Styling

uPVC windows include modern aesthetics that are customisable to provide sleek designs which can elevate the appearance of any property, whether it is traditional or modern.

Thermal Performance

Our uPVC windows are made with advanced insulation for minimal heat loss, reduced energy bills, and a comfortable home throughout the year.

Weather Resistant

Designed to resist extreme weather conditions, our uPVC windows protect against wind, rain, and UV rays for durability with low maintenance.

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Contemporary Styling

uPVC windows include modern aesthetics that are customisable to provide sleek designs which can elevate the appearance of any property, whether it is traditional or modern.

Thermal Performance

Our uPVC windows are made with advanced insulation for minimal heat loss, reduced energy bills, and a comfortable home throughout the year.

Weather Resistant

Designed to resist extreme weather conditions, our uPVC windows protect against wind, rain, and UV rays for durability with low maintenance.

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uPVC Windows Oxford

uPVC windows continue to be a top choice for homeowners and businesses in Oxford—and it’s easy to see why. Modern uPVC designs offer the perfect combination of durability, energy efficiency, advanced security, and sleek style. Far from the plain white frames of the past, today’s uPVC windows come in a wide range of colours, finishes, and textures, making them ideal for Oxford’s mix of period homes, townhouses, and contemporary developments.

Installing uPVC windows in your Oxford property brings numerous long-term benefits. The material is highly weather-resistant, resisting the region’s variable climate without warping, rotting, or corroding. Built to last, uPVC frames are strong, impact-resistant, and maintain their shape and structural integrity over time. With options for double or triple glazing, these windows offer excellent thermal performance, keeping your home warm in winter, cool in summer, and more energy-efficient throughout the year.

Our uPVC windows are available in a wide selection of colours and authentic wood-effect finishes, enabling you to match your property’s character perfectly. Whether you’re replacing windows in a historic home or installing sleek frames in a modern extension, our designs integrate seamlessly with both traditional and contemporary architecture in Oxford.

For added security and peace of mind, every window features a multi-point locking system that provides robust protection for your property. Whether renovating, upgrading, or building new, uPVC windows deliver a stylish, secure, and energy-efficient solution that stands the test of time.

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Aluplast

To set your home apart

To set your home apart

Flush Casement Windows

Reliable uPVC Windows

Our premium uPVC windows are supplied by Infinity Windows, a trusted UK manufacturer celebrated for merging the classic charm of timber with the advanced durability and performance of modern uPVC. Perfect for homes across Oxford—whether historic Georgian houses, Victorian terraces, contemporary developments, or new-build properties—these windows deliver timeless style with long-lasting functionality.

Every Infinity window is custom-made to your specifications, ensuring a flawless fit and seamless integration with your property’s unique character. Installed by our skilled team, they are designed for smooth operation, low-maintenance care, and enduring reliability.

Engineered with both security and comfort in mind, Infinity windows feature an innovative night-ventilation option, allowing controlled airflow without compromising safety. Combined with robust, weather-resistant frames and multi-point locking systems, they offer superior protection while improving energy efficiency throughout the year.

Whether modernising a period property or upgrading a contemporary home in Oxford, Infinity uPVC windows provide a perfect balance of elegance, performance, and peace of mind—creating a stylish, secure, and energy-efficient solution that lasts for decades.

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Aluplast

German-engineered and precision-crafted, Aluplast uPVC windows are a leading choice for homeowners, architects, and developers in Oxford. Combining timeless elegance with contemporary design, these high-performance windows offer outstanding energy efficiency, security, and long-lasting comfort—making them ideal for both heritage properties and modern constructions across the city.

Aluplast windows incorporate advanced double- and triple-glazing options along with cutting-edge uPVC technology, delivering superior thermal performance, enhanced sound insulation, and robust security. Their sleek profiles and premium finishes enhance any property, adding style and visual appeal.

Designed for durability and minimal upkeep, Aluplast windows withstand Oxford’s changing weather conditions, resisting warping, fading, and deterioration over decades of use. With an expected lifespan of up to 30 years, they provide a long-term solution that combines reliability, energy savings, and refined aesthetics.

For both residential and commercial projects, Aluplast uPVC windows offer a perfect balance of durability, security, and style—providing a premium, high-performance solution tailored to the unique character of Oxford properties.

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Our Range of uPVC Windows

24/7 Casement Windows Oxford

Our 24/7 casement windows are designed for ultimate convenience, offering smooth operation and constant ventilation day or night. With a durable build and contemporary design, they provide Oxford homes with a practical, reliable, and stylish solution that combines functionality with lasting performance.

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Flush Casement Windows Oxford

Flush casement windows offer a sleek, modern aesthetic, with frames that sit flush against your walls for a streamlined, minimalist look. Combining stylish design with practical functionality, they provide excellent insulation, effortless operation, and long-lasting durability—making them a perfect choice for homes in Oxford.

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What our Customers say about Crystal Clear

A good experience with Crystal Clear
Helpful staff in the showroom. Easy ordering process at a competitive price. Installation team was very good and efficient, no mess. End result looks brilliant.

Mr Bushell

Excellent service from
The 2 men who fitted the door were fantastic , they explained everything that was happening and did a really good job , the man who sold me the doors was also very helpful and made things really simple .

Laura Humphries

Very pleased with this company
I had some new windows and exterior doors fitted and the quality of the products seems very good. The company is easy to deal with and kept me informed. The installers, Kevin and Jason, were professional, friendly and polite. They came when they said they would, did an excellent job and tidied up before they left.

Sharon Absolon

Quality products, fitted extremely well.
Extremely happy with my new front door, from date of placing the order to it being fitted I was kept informed.
The guys that fitted it were very knowledgeable and fitted my door, cleaned up and checked if I was happy before they left the property.
I would definitely recommend this company to others.

katie

Efficient and knowledgable
Kevin and Jason did a great job and were efficient and speedy in replacing 5 windows, with the minimum of disruption. There was a measurement error with one of the window casings and they arranged for a new one to be manufactured and installed within 24hrs. Worked around scaffolding that was already on the building.

Pete Jones

NO PRESSURE TO BUY ..
I have personally visited Crystal Clear showroom and spoken to the owner twice Louis and Jamie ..i have not known anyone to put so much effort into explaining their produts to customers …they take their time to answer all your questions..here’s the best part ..NO PRESSURE TO BUY AT ALL ..take your time when you are ready let us know ..absolutely amazing company to work with ..definitely recommend and must visit the showroom in Broomhill Bristol and

…see for your self…

Khalil Khaliq

Excellent from start to finish
From the start the company were very helpful and professional. We wanted a larger window and they advised us on the design possibilities. Ordering was easy and they explained the process. The fitters were very clean and tidy. The window was fitted with minimal disruption, the result was better than we hoped for ! Overall we would recommend this company 100%

sharon drew

Really love our new bifold doors
Really love our new bifold doors. The whole team were helpful & efficient throughout. The fitters Steve & Tom were on time, polite & informative, discussing any minor asjustment options as work progressed. They also tidied up after themselves each day. Over all a great job. Thankyou

customer

Thank you Crystal Clear
Crystal Clear provided a first class service from first enquiry at their showroom through to the final installation which was completed by a very professional team who took careful attention to detail. An excellent product which met all our expectations – highly recommended!

Geoff Brooks

Good interior doors
The process from start to finish and everybody from the showroom staff, pre-install survey to the fitters were helpful and efficient.
Steve and Tom who fitted our interior doors were friendly and polite, did a great job and left everything nice and neat. The doors feel like quality and we’re really pleased with the final result.
Wouldn’t hesitate to recommend.

Matt Smith

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