REDEFINE YOUR HOME

WITH SUPERIOR QUALITY WINDOWS & DOORS 

PROVIDING NEW WINDOWS AND DOORS TO OXFORDSHIRE SINCE 1997

WINDOWS & DOORS THAT EXCEED INDUSTRY STANDARDS

Replacing your windows can boost energy efficiency, prevent drafts and enhance the look and feel of your home more than you may have realised. What’s more, new models will be easier to clean and maintain than older ones. At Isis Windows we’ve been supplying quality replacement windows in Oxfordshire and the surrounding counties for over 25 years.

QUALITY, CREATIVITY, CAPABILITY

10 YEAR GUARANTEE ON ALL PRODUCTS

Our 10-year guarantee on all our products gives our customers great peace of mind that they will be able to enjoy their replacement windows in Oxford for years to come. What’s more, our fitters draw on over 25 years industry experience to complete every job to the highest standard while providing outstanding customer service.

FENSA Accredited Supplier

FENSA (the Fenestration Self-Assessment Scheme) is the government-authorised scheme established in 2002 which monitors building regulations compliance for replacement doors and windows. The scheme assesses all approved installers regularly to ensure continued compliance. We’re proud to be FENSA-accredited window suppliers.

Exceptional customer care

An estimated 28 million households in the UK may be either a little older, or live alone. Our membership of FENSA shows that our workers can be trusted completely. Additionally, we pledge that while we’re working on your home we’ll never leave it exposed to the elements, or unsecure, especially overnight.

BROWSE OUR RANGE

UPVC WINDOWS

Take a look at our elegant line-up of styles and colours, including fashionable pastels like Cherwell Green plus some...

Sash Windows

These are ideal in conservation areas and on older homes where you’re looking to retain the period character of a property.

uPVC Timber Windows

These combine the beauty of real wood with the all-important energy-efficiency, durability and hard surface provided by uPVC.

Casement Windows

Casement windows make the ideal choice for period properties, where they’ll blend in seamlessly with the aesthetics.

French Windows

French windows add more than a hint of glamour and personality to your home. Team them up with French doors...

Flush Sash Windows

If you own a character cottage or your home is grade-listed or in a conservation area, flush sash windows make...

Composite Doors

Composite doors typically incorporate a wooden core, surrounded by other materials from uPVC to fibreglass. Browse our line-up of these long-lasting, robust products and create a great entrance to your home.

uPVC Doors

These usually have an insulated steel-frame core, covered in uPVC. Doors are stronger and more durable than most other models, withstand weather and temperature changes and won’t warp or rot.

Sliding Doors

These increasingly popular models typically comprise up to six glass panels, which slide along a track, plus there’s a choice of configurations and sliding combinations. See our range of elegant sliding doors.

Aluminium Bi-Fold Doors

Our aluminium bifold doors maximise natural light and mean you bring the outdoors inside. Secure, strong and low-maintenance, aluminium bifold doors like those in our collection add serious value to  your home.

GET IN TOUCH TO DISCUSS HOW WE CAN IMPROVE YOUR HOME

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HEAR FROM OUR VALUED CUSTOMERS

The quality of your product speaks for itself

Thank you for your efficient service and the friendly, helpful manner in which you advised me about the windows for my home. I was very impressed with the gentlemen who installed the windows – they were respectful and cleared up ever trace of mess after themselves.

I will have no hesitation in recommending Isis Windows. You offer an excellent service at a good price, and the quality of your product speaks for itself.

Gill M

The windows look very smart and completely change the feel of the rooms

From the very first contact onward, all members of your team have been courteous and efficient. It can be a daunting process taking a number from the Yellow Pages but, in this instance, it paid off! Apart from the fact that the windows look very smart and completely change the feel of the rooms, the neatness of the work was very impressive.

All in all it has been a pleasure doing business with you.

Sarah M

BE INSPIRED

If you’re considering replacing your windows we understand that it can feel a rather overwhelming prospect. We’ve been fitting windows in Oxfordshire for over 25 years, and provide a safe, professional and friendly service with zero compromise on quality. We have strong expertise in both the industry and in our local area. Browse through our images showcasing the variety of work we’ve done before and book an informal initial consultation.

Common Window and Door Maintenance Mistakes to Avoid

Common Window and Door Maintenance Mistakes to Avoid

Maintaining your windows and doors is an important part of keeping your home in good condition. Regular maintenance can help prevent problems such as leaks, drafts, and wear and tear. However, many homeowners make common mistakes when maintaining their windows and...

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