Business Details
29 Years
experience
Premium Replacement Windows & Doors in Oxford
Established in 1997, Isis Windows has been a trusted provider of premium windows and doors across Oxfordshire and surrounding counties for over 25 years. Our team combines extensive industry experience with a commitment to quality, offering a comprehensive range of products including uPVC, sash, and flush sash windows alongside composite and bi-fold doors. As a FENSA-accredited supplier, we ensure all installations meet rigorous building regulations while maintaining exceptional customer service.Our 10-year product guarantee reflects our confidence in durability and performance, and our eco-conscious approach includes free recycling of old uPVC windows through partnerships with leading UK recyclers. We prioritise customer satisfaction by providing tailored solutions, from initial consultation to final installation, ensuring every project enhances both the aesthetics and functionality of your home.
Services
uPVC Windows
Sash Windows
Flush Sash Windows
French Windows
Composite Doors
Aluminium Bi-Fold Doors
Sliding Doors
Timber Effect Windows
Energy-Efficient Windows
Door Installations
Details
- Year established: 1997
Highlights and features
- We have over 25 years of experience in window and door installations.
- Our team is FENSA-accredited for building regulations compliance.
- We offer a 10-year guarantee on all products for peace of mind.
- Our eco-friendly recycling service is free for customers.
- We provide no-obligation quotes with a 10% discount for photo-based estimates.
Associations and certifications
- FENSA
What people say
Efficient service
Friendly manner
Very impressed
Excellent service
Quality product
Services
uPVC Windows
Our uPVC windows combine energy efficiency with low maintenance, featuring modern designs in various colours. Ideal for reducing energy bills and noise, they suit both traditional and contemporary homes. Backed by a 10-year guarantee, our uPVC windows ensure long-term durability and aesthetic appeal.
Composite Doors
Composite doors offer superior strength with a wooden core and durable outer layers. Available in multiple styles, they enhance home security while maintaining visual appeal. Each door is custom-fitted to ensure optimal performance and longevity, supported by our 10-year product guarantee.
Sash Windows
Sash windows are perfect for conservation areas and older properties, preserving historical character. Our designs balance traditional aesthetics with modern energy efficiency. Installation adheres to FENSA standards, ensuring compliance and enhanced property value.
Flush Sash Windows
Flush sash windows are tailored for grade-listed or conservation area properties, offering a seamless blend of tradition and efficiency. Their sleek design reduces drafts while maintaining period authenticity. FENSA-accredited installations guarantee regulatory compliance and lasting performance.
Aluminium Bi-Fold Doors
Aluminium bi-fold doors maximise natural light and connect indoor and outdoor spaces. Known for strength and low maintenance, they feature slim frames and secure locking systems. Customisable to fit various property styles, they add significant value to modern homes.
Questions
Do you offer a free quote for window or door replacements?
Yes, we provide a free, no-obligation quote from photos with a 10% discount if you proceed.
Are your installations FENSA accredited?
Yes, we are FENSA-accredited suppliers, ensuring all work meets building regulations.
Do you recycle old uPVC windows?
Yes, we offer free recycling of old uPVC windows through our partnership with Eurocell Recycle.
What areas do you serve?
We primarily serve Oxfordshire and surrounding counties.
What guarantees do you provide?
All products come with a 10-year guarantee for peace of mind.
