Leaders in design and innovation in replacement UPVC Windows and Doors for over 28 years, at JK Windows we can supply and install a wide range of UPVC and Aluminium windows, doors, conservatories and porches for new build projects or existing homes.

Add value and space to your home in Middlesex and West London with a UPVC conservatory from JK Windows. You'll be amazed at how much our UPVC conservatories will add real value and transform your home. We offer a complete installation service, including building works, joinery work, electrics and plumbing. Each UPVC conservatory installation is carefully monitored by our professional installation co-ordinator ensuring a smooth transition from one stage to the next - informing you of all project developments as and when they happen.

Every door, whether slide, lift-and slide, tilt-and-slide or folding has been designed to look good and perform superbly year after year, a quiet statement of style and quality that can't help but impress. JK Windows sliding doors are a window onto the world. It opens and closes effortlessly, disclosing great views onto the garden or patio. It allows you to enjoy all the fresh air you want while simultaneously ensuring that you're warm and comfortable when the weather turns cold.

Is the front of your house looking tired? No kerb appeal? Well there is nothing better than to spruce it up with a JK Windows porch, not only will you be enhancing the look of your home but you will be adding even more security and saving on fuel costs with double glazed units and double door seals.

JK Windows aluminium casement window system is designed to meet the environmental and cost demands of today's sustainable buildings. Suitable for light commercial, education, healthcare and residential properties, it provides an ideal solution especially when budgets are an important consideration as they are in most projects. Whether you want your doors complement the design of your entrance or you wish them to contrast strongly, perhaps by an unusual design or additional units such as spot lights, JK Windows offers you a large number of options that will allow you to turn your front door into a real feature of your property.

Bi Fold Doors from JK Windows offers customers real choice. In addition to a range of different opening door types, with the ability to accommodate almost any size of opening, customers can choose from a huge selection of finishes and RAL colours and handles. All doors installed into outside walls have exceptional levels of thermal insulation and weather tightness, making them proof against the worst winter weather. Non-insulated versions make stylish room-dividers. Slim face-widths allow for the maximum area of clear glass, enabling light to flood into a room.

Improve your property with JK Windows, Window and Door System and know you are buying premium quality and good value with the highest standards for strength, warmth, safety and security. At JK Windows we know that the main door entrance is the focal point of your home so we design, supply and fit a wide range of door styles to completely match your needs. Choose from a comprehensive range of glass designs or, if you have your own special piece of artwork, our art studio can turn this into a superb piece of glasswork accommodating your requirements perfectly.

We have a large range of high security composite doors on offer. A huge selection of style and colours, with an option for colour inside. Versatile combinations with matching glass designs from our own unique glass range. We will have a solution for all your requirements in achieving an entrance that both suits and enhances any building. Three point multi locks as standard, sealed with edgeband, and supplied within a purpose designed triple sealed frame. New brushed steel long handles for those who require a more contemporary look.