Extreme UPVC Windows

The collection is available in a range of styles including traditional Casement, Tilt & Turn, Georgian, Bay and Bow designs. They are manufactured in the UK and designed to meet the highest performance and security specifications.

• Extreme Features include:
• Secure 9-point locking system
• 2 x high compression hinge bolts
• A+ energy rating
• High-performance noise reduction
• Smart temperature regulated glass
• Frames engineered to prevent dirt engraining
• Manufactured using high-quality components
• Guaranteed against twisting or warping for 10 years
• Manufactured in Yorkshire, UK
• A wide range of frame colours and styles available
• Can be Secured By Design, Police Crime Prevention Standard

To ensure you get the right windows to suit your home we have a team of experts available to help. Visit one of our extensive showrooms or request a home visit and brochures and we’ll help you design just the right windows for your home. We are proud of the Extreme Collection and know it is one of the best performing UPVC windows on the market.

For help & advice call 08000 825 825 today!

Casement windows have long been a favourite of UK homeowners due to their simplicity and style. Suitable for all types of property these high-performance windows provide exceptional thermal performance and increased security for your family home. And with the Extreme 10-year guarantee you have peace of mind as well.

For help & advice call 08000 825 825 today!

Your family home is a sanctuary which should never be violated. That’s why we offer the Extreme Collection to keep intruders out and your family and belongings safe.

Our Extreme windows are designed using a number of state-of-the-art security features including:

Secured by Design – Our windows can be designed to meet the Secured by Design standard which ensures they meet the stringent security requirements of this police-recognised standard.

Extreme locking – Our 9-point locking system includes two high compression bolts to prevent the window from being forced open.

Herculean hinge – The hinges can be a weak point of UPVC windows. The Extreme Collection use heavy duty ‘Herculean’ hinges which are able to withstand the use of a crowbar to prise them open.

For help & advice call 08000 825 825 today!

The Extreme Collection is manufactured to meet the A+ energy rating which means they are the most thermally efficient windows available on the market. This is not only beneficial to the environment, but it also helps to keep your heating costs down too.

Extreme energy efficient features include:

Reduced heat loss – Our frames are engineered to provide maximum insulation and superb thermal performance. Each frame contains 14 air chambers which help to reflect heat back inside your home.

A+ energy rating – Our windows meet the A+ energy rating which means they perform above-recommended energy performance levels as assessed by the British Fenestration Ratings Council (BFRC).

Increased temperature regulation – The glass we use is manufactured using low iron content to remove cold zones and condensation and covered with a microscopic coating to improve thermal efficiency.

Improved noise reduction – Our frames are constructed using airtight compression seals to block out unwanted noise.

For help & advice call 08000 825 825 today!

The Extreme range has been engineered for performance, but we have not compromised on style either. The collection is available in a wide range of frame colours and finishes which can be complemented with a range of glass options allowing you to create a real wow-factor to your home.

Personalised appearance – The Extreme Collection offers an unrivalled range of styles and colours allowing you to personalise your windows to match both the style of your home and your personality.

Looks great year after year – Our frames are engineered to prevent dirt engraining the surface. That means your frames require minimal maintenance and will keep looking great year after year.

Long Lasting Performance – We only use the highest quality materials and components to produce a robust and durable frame. This ensures your windows keep on performing for the lifetime of the 10 year guarantee.

Provides protection from outside elements – We use dual density, high elasticity seals with compression technology to provide a durable and tight defence against wind, rain and noise.

For help & advice call 08000 825 825 today!

Glass is often overlooked when choosing new windows. But at Hazlemere we know that the glass you choose can make or break the design. That’s why we provide a wide range of glazing options allowing you to personalise your new windows to compliment your home and lifestyle.

We have a wide range of options available including; privacy glass, safety glass, decorative lead and more. So no matter if you want a nice clear view of your garden or require a little privacy from your neighbours. Our consultants are on hand to help you choose the right glass for the occasion.

Privacy glass – Perfect for the bathroom or windows which are overlooked, our privacy glass options obscure the view into your home without compromising light. Privacy glass options are available on both our double and triple glazed units.

For help & advice call 08000 825 825 today!

White has traditionally been the colour of choice for UPVC windows, with woodgrain effect colours such as light oak or rosewood increasing in popularity too but there’s now a growing demand for newer offerings such as olive grey, cream and anthracite. There’s even dark red for those who really want to make a statement. Our design team will talk you through the full colour range to make sure you get just the look you’re after.

For help & advice call 08000 825 825 today!

Because of the time and effort that has gone into designing the Extreme Collection of UPVC windows we can confidently back it with an industry leading 10-year guarantee. This comprehensive guarantee covers the windows and installation, giving you complete peace of mind that your investment is secure.

Made in the UK – The Extreme Collection is manufactured in Yorkshire by one of the largest and most experienced UPVC manufacturers in the UK. Each order is made to measure and hand-built by experienced craftsmen who take care of every conceivable detail.

For help & advice call 08000 825 825 today!

This finance option allows you the convenience and flexibility of spreading the cost of your new windows & doors over 60, 120 or 180 months*. You must make the minimum repayment each month. However you can also make additional payments and therefore control the length of the loan and the amount of interest you would pay.

NO DEPOSIT REQUIRED

*180 months for orders of £7,500 and above only.

No security is required on this loan.

For help & advice call 08000 825 825 today!

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*Credit is subject to status and affordability. Terms and conditions apply. Finance on windows & doors is available to a maximum loan value of £50,000 with zero deposit. Finance on conservatories is available to a maximum loan value of £30,000 with a 15% deposit. £1,000 minimum order value applies to all finance options. Authorised and regulated by the Financial Conduct Authority. Hazlemere Window Company Limited at Cressex Business Park, Wellington Road, High Wycombe, Buckinghamshire HP12 3PR (Financial Services Registered No. 796507) is a credit broker and is authorised and regulated by the Financial Conduct Authority. Credit provided by Hitachi Personal Finance, a trading style of Hitachi Capital (UK) PLC, authorised and regulated by the Financial Conduct Authority (Registered No. 704348).