Black & White Windows

Blur the boundaries between contemporary and traditional with our stylish Black and White Window Range. Enjoy the comfort of energy-saving advanced technology windows that cut down on draughts, prevent heat from escaping, and minimises external noise.

• Relish low-maintenance technology, the flake-free, non-corroding, fade resistant and rot resistant properties of high-tech, superior quality double-glazed black and white windows.
• Savour the delights of tailoring your double glazing window designs to your very own style and in line with the existing character features of your home.
• Enjoy the comfort in knowing your windows are secure with both internally-fitted glass and multi-function, non-corroding hinges and high security locking mechanisms.
• Delight in the knowledge that your double-glazed Black and White windows not only embellish your home but also add enduring value to it.
• Spend less on your heating bills and help protect the environment with a lower carbon footprint.
• Relax and enjoy peace of mind with our 10-year guarantee.

Imagine the character you’ll add to your home when you choose John Williams Black and White windows.

You’re not just opting for style but efficiency too - John Williams Black and White windows are made from the highest quality materials and are "A"-rated for thermal efficiency. When it comes to energy efficiency, it’s the very best.

A-rated windows cut draughts and minimize heat loss. Decide on a soft coat low emissivity glass option and your double-glazed windows will reflect heat back into your rooms, lowering you heating bills!

From the moment you install Black and White double-glazing windows from John Williams you start saving money and reducing your carbon footprint by selecting lower heat settings.

Be warm, safe and happy- talk to us about how double-glazed windows can enhance your lifestyle.

From the products we manufacture to the installation and customer services we provide, quality remains the hallmark of John Williams.

We remain one of the few companies to hold the British Standards Institution award for manufacture and customer care.

For even greater assurance, we hold no fewer than four Kitemarks - nationally recognised seals of approval - for the quality of our products and their excellent energy ratings.

And as a member of FENSA, you are safe in the knowledge that our replacement windows and doors comply with the current Building Regulations for both England and Wales.

With our products made, supplied and fitted using in-house resources, we operate stringent quality control and testing at every stage.

In this way, John Williams can maintain such high standards, and reward our customers with the very best service.

Add beautiful colour tones to embellish your home...

Make a statement with coloured Black and White windows from John Williams

Browse our range of tantalising tones and our dedicated design team will help you channel your creativity to create replacement double glazing window designs that are truly special. Add your personal touch and harmonise our colour schemes with those already in your home.

You can choose from brilliant white or a range of soft pastels and realistic grained effects. Our coloured UPVC windows don?t require the same levels of maintenance as timber frames and so make a lasting, cost-effective alternative.

Give John Williams a call and transform your home with coloured Black and White replacement windows.

Add elegant flourishes to your John Williams double glazed Black & White Windows to bring sophistication and individuality to your home.

An unlimited range of coloured lead and bevelled glass designs are available to match the choice of your Black & White Windows.

Hand-crafted using specially formulated coloured film and real lead strips, Black & White Window designs will enhance your home's appeal and character.

Take advantage of our FREE design service! Call now on 0800 66 00 55 or click here to request a call back.

John Williams Black and White windows are elegant, eye-catching and above all, secure.

We want you to feel safe in your home and that’s why we offer the best in security features, with our UPVC Black and White windows are compliant to all British standards.

We conduct a rigorous testing programme on all our double-glazing windows so we can give you the assurance that they can withstand attempted break-ins too.

Many design features come together to make this possible.

They include use of discreet internal glazing that prevents the glass being removed from the outside. Award-winning stainless steel multi-point locking mechanisms with a Secured by Design award from the police.

Our windows feature multi-point locks as standard and laminated glass as an additional option to further improve security. Our helpful and knowledgeable design team will gladly talk to you about this if you wish.

It’s all there in Black and White... John Williams windows are stunning to look at and safe as houses!

THE JOHN WILLIAMS 10-YEAR GUARANTEE

Invest in any products from John Williams, and you are investing in peace of mind for years to come.

That’s because we have been successfully designing, manufacturing and installing windows, doors, conservatories and roofline products for hundreds of thousands of customers for more than 40 years.

Because of the confidence we have in the superior quality of our materials, and our craftsmanship, we guarantee all our products for 10 years.

John Williams' products are designed to last, and our excellent customer service means we go on looking after you long after installation.

We are fully compliant with relevant industry bodies including the Fenestration Self-Assessment Scheme (better known as FENSA).

And with our Price Promise, all this peace of mind is offered at prices giving you exceptional value for money.