Replacement Windows in Reading
Swap tired, draughty windows for warm, secure and energy-efficient ones. Free quotes across Berkshire.
Time for new windows?
Comfort you'll feel straight away
If your windows are draughty, misted or hard to open, replacements pay you back in comfort and lower bills.
We remove the old and fit the new cleanly, with minimal fuss and a tidy finish.
Benefits
Why choose our replacement windows
Practical, efficient and built to last.
Warmer Home
Modern glazing keeps the heat where you want it.
Better Security
Up-to-date multi-point locking.
Easy to Clean
Low-maintenance frames and tilt options.
Lower Bills
Better insulation means less heating waste.
No More Draughts
Fresh seals stop cold spots.
Adds Value
Fresh windows lift your home's appeal.
Interested in replacement windows?
Get a free, no-obligation quote from a friendly local team — no pressure, just honest advice.
Why Calcot
Local installers you can trust
17+ Years
Fitting windows across Reading & Berkshire.
Assure Registered
Added warranties on your windows and doors.
Family-Run
Friendly, reliable and genuinely local.
Free Quotes
No-obligation quotes on every job.
Reviews
What our customers say
Diana Lowry
2 months ago
Calcot Window Services exceeded our expectations in every way. The fitters were skilled and respectful, the products are excellent quality, and the finished result looks fantastic. If you need double glazing Reading, this is the company to choose.
Patricia Beardsley
2 months ago
From the first visit to the final installation, Calcot Window Services were professional and reliable. The new doors and windows have improved the appearance of our home dramatically. Highly recommended for double glazing Reading.
Sean Francis
3 months ago
I used Calcot Window Services for all my windows and doors replacement. Fantastic service, really easy from start to finish and very well priced. The work was top quality. I would highly recommend their service. Thanks.
Joan McKay
3 months ago
Calcot Window Services did a fantastic job replacing our old windows and doors. Everything was completed on time, and the workmanship was first class. Our home feels warmer already. A great company for double glazing Reading.
Adrian Davies
3 months ago
Phil provides a very high standard of service throughout the process of getting a quote and choosing the style of new window. Fitting of windows and doors happens quickly and without any mess being left behind. Phil is quick to return message and provides constant updates regarding the order process for new windows. I have used Calcot Windows on multiple occasions and would happily recommend their services to anybody looking to replace windows or doors.
Chris Mellish
3 months ago
Quality service. Friendly and professional. The workmanship and quality of product is amazing. I would highly recommend to anyone.
James
8 months ago
Phil and his team installed 6 windows for us across a 2 day period. Phil was very approachable when giving the initial quote which persuaded me to go with him. I am very happy with the work and job which has taken place and we would recommend Calcot Window Services to anyone. Thanks again Phil, was brilliant to have you on our project.
Marinus Augostine
8 months ago
Phil and team were absolutely amazing, from the moment we contacted to installation and after service questions. Great price and service all round. Super happy with the bifold, roof light, windows and doors. Thanks Phil, highly recommend!
Nikki Braidwood
2 years ago
Amazing job by Calcot Window Services - Phil & his team worked so hard, cleaned up after themselves, worked quickly & an extremely reasonable price. Completely professional & would very very highly recommend. Our new windows have transformed our house. Photos attached & more to follow once the front door is fitted this week ! Can't thank Phil enough!
Sandra Mellish
3 years ago
Calcot Window Services have made the replacement of my patio windows really effortless. Good price too. No mess made at all. I live on the first floor and they were able to overcome the issues
this presented. Thoroughly recommend them.
this presented. Thoroughly recommend them.