Fitting since 1997
Windows & doors in Oxford and Oxfordshire
Replacement uPVC, timber-effect and flush sash windows, plus composite, uPVC, bi-fold and sliding doors – supplied and fitted by our own team.
Our windows and doors
Every product is made to measure for your home and installed by our own fitters across Oxford and Oxfordshire.
Windows
All windows →
uPVC WindowsLow-maintenance, energy-efficient windows in many styles and colours.
Flush Sash WindowsA traditional look for cottages and conservation areas.
Timber Effect WindowsThe beauty of real wood with the durability of uPVC.
Casement WindowsClassic side- and top-opening windows for any home.
French WindowsWide, double-opening windows that let in light and air.Doors
All doors →
Composite Doors
uPVC Doors
Aluminium Bi-Fold Doors
Sliding Doors
Why homeowners choose Isis Windows
New windows and doors make a home warmer, quieter, more secure and easier to look after. We’ve been fitting them across Oxfordshire since 1997, and most of our work comes from recommendations.
What our customers say
More reviews on Checkatrade →“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 them.
“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, but it has been a pleasure doing business with you.
Get a free quote from a photo
Not got time for a home visit? Send us a few photos of your windows or doors and tell us what you’d like. We’ll come back with a no-obligation price.
- 1Upload photos and your details
- 2We prepare a written quote
- 3Book a survey only when you’re ready
Or call 01869 343434
Areas we cover
Based in Long Hanborough, between Oxford and Witney, we fit windows and doors across Oxfordshire and into neighbouring Buckinghamshire and the Cotswolds, including:
Oxford · Bicester · Kidlington · Witney · Abingdon · Banbury · Thame · Didcot · Woodstock · Burford · Chipping Norton · Aylesbury
Common questions
How much do new windows cost in Oxfordshire?
It depends on the size, style and number of windows. Send us photos for a free, no-obligation quote, or book a survey and we’ll give you a fixed written price.
Are you FENSA registered?
Yes. We’re a FENSA-registered installer, so every installation complies with building regulations and you’ll receive a FENSA certificate.
What guarantee do you offer?
All of our windows and doors come with a 10-year guarantee.
Can you fit windows in conservation areas or listed buildings?
We regularly fit flush sash and timber-effect windows designed to suit period and conservation properties. We can talk you through what’s likely to be approved.
How long does installation take?
Most homes take one to three days, depending on the number of windows and doors. We’ll confirm timings before we start.
