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Extreme UPVC Windows

Extreme UPVC Windows are one of the most advanced windows on the market and come with a 20 year guarantee…

For ultimate style and performance

Our new Extreme UPVC Windows collection is unrivalled by any other window on the market. Using the most innovative UPVC and performance glazing matched with carefully chosen hardware and accessories, ensures that your windows are not only secure, energy efficient and durable, but also stylish and guaranteed to last a lifetime. The only window that ticks all the boxes, we’re proud to declare that we’ve tested our window to the Extreme!

Extreme UPVC Windows

Our engineered UPVC profile and superior glazing also ensures your UPVC windows will be super energy efficient, meaning you’ll save money on your energy bills and keep the temperature in your home comfortable and regulated.

Plus, we’re delighted to offer a huge range of sophisticated colours and styles to help you choose the right look for your home.

Grey Extreme UPVC Windows
Extreme UPVC Windows

Explore popular Extreme UPVC windows

The most famous window styles are all included in our UPVC window range, including casement windows, sliding sash windows, bay & bay windows and tilt & turn windows.

Cream UPVC Cottage Windows

Casement UPVC Windows

A practical and stylish option, the popularity of casement UPVC windows is entirely owed to its simple design and suitability to everyday living.

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UPVC Tilt & Turn Windows

Tilt & Turn UPVC Windows

Extreme tilt & turn UPVC windows are a fantastic choice for those looking for a wider opening, allowing more fresh air to circulate into your home.

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UPVC Sash Windows

Sash UPVC Windows

Our sliding sash UPVC windows give you a perfect mix of strength and practicality, all in one single design, and their vertical opening is a priceless feature.

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Simply fill in your details for your free, no obligation quotation, and click “Get Quote”

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Do your windows have EXTREME protection?

You cannot take your eye off the ball when it comes to security – we certainly don’t! The EXTREME UPVC Windows collection is very security-focused, with each window having 11 visible locking points. This means it offers 3 times the protection of a traditional window.

  • EXTREME enhanced security with centre VAULTBOLT and multi cam locking technology.
  • EXTREME enhanced durability with UNIQUE superglide gearbox ensures smooth operation.
  • EXTREME enhanced COMPRESSION and acoustics with interlocking hinge bolts and optimum weatherseals.
casement windows

Herculean Hinge

Heavy duty, highly engineered hinges that provide increased load bearing. With anti-crowbar technology and sustained use for a lifetime.

Extreme Locking

Up to 9-point locking system and two high compression hinge bolts to create 360-degree solidity. Also available with enhanced security option designed to meet the requirements of the police-recognised Secured by Design initiative.

Extreme Frame

Highly engineered frames, that encompass 14 chambers (combined sash and frame) to provide supreme thermal performance. Maximum protection against twist and ageing so your windows will look and operate like new for longer.

Extreme Weather Seal

Dual density and high elasticity for twice the standard coverage. Long lasting airtight protection from the elements and added noise reduction.

Ultimate Glass

High performance next generation glass for superb energy efficiency. Ultra-clear outer pane and a super soft coat inner pane. Improved clarity for the perfect view.

Extreme Handles

Our Extreme Handles come in a range of colours to suit your home. Built to last with robust materials and quality finishes.

Huge long-term energy savings will be made…

Household fuel costs have reached scary levels in recent times and are hitting people’s finances hard. If you’re paying well over the odds for energy, the best solution is to replace your old existing windows and have modern UPVC windows fitted in their place.

Heat loss will be practically halted, and any draughts that you used to feel indoors will disappear. The result? A warmer home that costs far less to heat, saving you a fortune.

White UPVC Windows
Oak Envisage Flush Windows
White UPVC Windows

Extreme UPVC windows bespoke to you

Straight after selecting a UPVC window style, it’s time to customise the window design. You can do so with one of a wealth of coloured finishes, and your favoured form of glazing and hardware.

An eclectic choice of finishes, colours, and combinations…

Whilst there’s nothing wrong with traditional white, far from it, Classic UPVC windows can be finished in whatever colour you want. The paint application process that we undertake is sophisticated enough to produce even the most unconventional colours. There’s a growing demand for newer offerings such as Grey and Irish Oak too, which have an aesthetic appeal equal to that of Whitegrain and Chartwell Green.

Glass that expertly merges style and privacy…

When it comes to replacing your windows, the glass really does matter. The glass you choose for your Extreme UPVC windows can make a big difference – so make sure you give some thought to how much visibility you want to achieve. Be it ultimate privacy or a clear, uninterrupted view of the beautiful outdoors, we have the perfect glass for you. Our Clearview team will be on hand to advice you at every step.

Handles crafted with care…

When you see our many traditional and contemporary-styled handles in the flesh, it will hopefully be immediately apparent just how much effort our craftspeople have gone to with their styling.

Engaging the secure locking system within your chosen handle will keep your windows securely fastened.

White Leaded UPVC Windows

Why you should choose Extreme UPVC windows from Clearview

If you’re looking to replace your old UPVC windows, it’s important to get the right UPVC windows for your home. Whether it’s to lower your fuel bills or you’re looking to improve the aesthetics of your home, Clearview is here to help you find your perfect windows.

We offer so many different UPVC window options it’s easy to feel overwhelmed. Our design team is on hand to demystify our window range and create the perfect replacement glazing for your home. Visit our showroom or book your free design appointment to get started. Plus, when you choose Clearview UPVC windows you get complete peace of mind thanks to our 20 year guarantee.

Need more inspiration? Download our brochure

Simply select the brochure(s) you would like to browse, fill in your details, and then click ‘Download’.

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Want UPVC windows – what happens next?

In order to help us create your ideal proposal for your replacement UPVC windows, we’ll have a chat and gather a few more details. How we meet is entirely up to you – we’re totally flexible to suit your lifestyle. Just let our team know which option you prefer when we contact you.

Clearview Showroom Design Appointments

Showroom Visit

Not sure what you’re looking for? We have the perfect setting to get inspired! You’ll be able to see a huge choice of replacement windows & doors to really get a feel for what you like. One of our specialists will gladly show you around and work with you to select your window design, colour and hardware to suit your budget and home.

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Customer Advisor Appointment

Home Visit

If you’re comfortable with a home visit, one of our specialists will visit at a time to suit you. We will advise on designs, technical details and measurements for your windows, and provide you with an accurate quotation. We’ll only stay for as long as you like – a typical visit lasts around one hour.

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Clearview Customers

Online Video Chat

Let’s face it, these days we all lead busy lifestyles and your time is precious. If you prefer, we can speak to you via video link at a time to suit you. Using our very latest design software, we can design and showcase our replacement windows & doors with you on screen and give you an instant price from the comfort of your sofa.

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So much more than just a showroom
We’ve got dozens of product sets, hi-tech software, colour samples, and must-read brochures to embrace and enjoy, with experts to guide you at whatever stage you’re at in your buying. Basically, there’s inspiration at every turn in a Clearview showroom.

Visit your local Clearview showroom

Now you’ve come to the end of this page with our UPVC window information, designs and colour options, hopefully you’re eager to visit a Clearview showroom. It’s a great way to get a feel for what you like. And you can actually experience what owning our fabulous range of UPVC windows is all about. You will find a huge range in a variety of colours, styles, finishes and options to explore.

Preston Showroom

Preston Showroom

Clearview’s luxury showroom in Preston, Lancashire is located just south west of Preston near Leyland, and features the very latest home improvements including our very latest energy efficient range of replacement UPVC windows and beautiful front & back doors.

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Nantwich Showroom, Cheshire

Nantwich Showroom

Located on the popular Nantwich Trade Park and open seven days a week with late night opening on Thursdays until 8pm. Clearview’s Nantwich showroom features our latest energy saving UPVC windows and our most popular composite & UPVC doors.

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Warrington Showroom

Warrington Showroom

Clearview’s showroom in Warrington is located on the immensely popular Gemini Trade Park, Cheshire. Warrington showroom houses the markets most advanced energy efficient UPVC windows and our new Forté composite door range.

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Book your free appointment

Enjoy a free, no-obligation appointment in your home or in your local Clearview showroom to start your project.  Simply fill your details below.

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Want to speak with an advisor? Give us a call on 0800 011 2400

Our friendly team will be pleased to help with any questions you may have.
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