Double Glazing Kingston

Double Glazing Kingston

High quality, high-performance double glazing for your Kingston home.

Double Glazed Windows and Doors in Kingston

Marathon Windows provide double glazing in Kingston that is the perfect addition to your home.

We have traditional styles to maintain the aesthetic of your period property and contemporary designs for modern builds. As specialists in double glazing installation, we never use sub-contractors and have a full in house window fitting team.

Marathon Windows can assure you that your window and door projects will be of the highest quality available to you. Our professional team are committed to your double glazing needs. We take time with our customers to assure them that we can provide the best on the market when it comes to updating their properties.

Double Glazing Kingston

Thermally Efficient Double Glazing

Our double glazing has a WER rating “A” to guarantee you the most thermally efficient windows and doors in the Kingston area.

Poorly fitted windows and doors could be costing more money than you think. Professionally and adequately installed double glazing can even increase the market value of your house! All of our uPVC windows, doors, and conservatories carry the “A” Windows Energy Rating, and our designs are entirely tailor-made to you and your home.

At Marathon Windows we can assure you that we won’t cut corners when it comes to energy efficiency, saving you money

Safe and Secure Double Glazing

The safety of you and your family at home is paramount. Secured By Design accredits our double glazed windows and doors. Double glazing installed by Marathon Windows will keep your home secure, inside and out.

All our windows and doors are fitted with stainless steel locking systems and surpass industry standards. For times when safety is most necessary in your home, we also have extra upgrades on security for our double glazing units. Our double glazed windows and doors come with the option for a variety of handles, hinges and hardware.

If safety is your priority, don’t settle for the standard. Choose Marathon Windows for superior results when it comes to security.


Our double glazed windows come in four main styles with the option to choose from an abundance of colours and additions. You can create a bespoke window design to suit your property with Marathon Windows double glazing options.

We install a range of uPVC Windows, including Casement Windows, Tilt and Turn Windows, Sash Windows and Flush Casement windows. Marathon Windows offer all of these double glazed styles with the option of White, Cream, Grey, Irish Oak, Golden Oak and Rosewood colour and woodgrain finishes.

Our colours are all scratch-resistant meaning that your low maintenance windows will stay looking brand new for years to come.

uPVC double glazing from Marathon Windows is BBA Certified and manufactured by Eurocell. Many uPVC window options are also made from 100% recycled plastic, making your new windows a sustainable addition to your home.

At Marathon Windows, we also offer a 10-year guarantee on all our window designs and finishes.

Double Glazing Kingston


Marathon Windows offers six options of doors for your home. Enhance your home with our range of uPVC DoorsResidential Doors, Composite Doors, Stable Doors, French Doors, Patio Doors, or Bi-Fold Doors.

Our doors are an excellent addition to traditional properties and create a beautiful aesthetic in modern homes. Our double glazed doors are fantastically energy-efficient and long-lasting thanks to Eurocell’s high-performance design and our multi-point locking mechanisms.

We offer double glazed doors for an effortless transition to the outside, and beautiful focal point doors for the front of your house. Marathon Windows security systems are entirely tamper-proof, so you can relax knowing your home is safe and secure.

No matter the design of your home, our range of double glazed doors are created to blend into your style effortlessly.

Double Glazing Prices Kingston

Kingston Double Glazing Prices

If you think Marathon Windows can cater to your double glazing needs in Kingston, get in contact with our designers via our online contact form today!

We also have an online quoting engine for a fast, free, no-obligation quote for double glazed windows and doors in your home.

If you’d rather skip the middleman, you can also contact us on our phone number 01372 740706.

For competitive prices on all your double glazing in Kingston, Marathon has the solution.

Industry Leading Accreditations