Box Sash Windows

Product Description

Box Sash Windows

Box sash windows are vertical sliding windows that allow you to enjoy the sophisticated style of the Georgian era, with all of the performance benefits of modern PVC-U.

These windows provide much improved energy/heat retention and sound-proofing in comparison to existing wooden box sash windows, while still maintaining stylish looks.

10 Year Guarantee
We offer a 10 year guarantee on all the products manufactured and installed by us
Established 1978
We have more than 45 years' experience providing quality windows, doors and conservatories
Manufactured on Site
Everything is manufactured on-site in our factory in Bristol
Award winning customer service
Our team are dedicated to providing the best customer service, always

Box Sash Windows

Product Information

Our box sash windows are unique in the fact that both window sashes will also tilt inwards as well as slide vertically.

This allows them to be cleaned from inside your home and provides a greater flow of air on warm days.

We install restrictors as a standard safety feature. When operated, the bottom sash can be opened to a maximum of 100mm, preventing children from opening them too high.

Examples of box sash windows are available to be seen and operated within our showroom.

Colours & Finishes

Whether you want simple understated windows, a natural wooden look, or want to make a bold statement with bright colours that set your home apart, we offer the colour options and finishes to suit your preferences.


White ash


Irish Oak

Golden Oak


Product Options

Box sash windows are available with the following options:

Georgian Bars

Visually divide the window into small panes

Decorative Horns

Adds character to the window frame

Run-through Horn

Resembles authentic timber box sash windows

What our customers say

Brilliant service! Thrilled with results and the 2 chaps were very professional and did a great job!

Elaine Mitchell

I've used CR Windows a few times now and they have been fantastic on both occasions. They recently fitted 10 windows and two doors and they were faultless from beginning to end. The quality is excellent and the two fitters…

Steve Henson

What can I say? CR Windows have been excellent from the start. Customer Service and communication has been brilliant. The fitting of my new door and frame was quick and easy too. Everyone I’ve dealt with has been amazing. What…

Nicola Brooks

Not quite what you were looking for?

Our Showroom

Replacing your windows and doors is a big decision - so why not come and see our products first hand?

Our extensive showroom provides an opportunity for you to view, touch and experience our vast range of products in your own time, without being pressured.

If you have any questions there will always be a sales advisor on hand to discuss your requirements, plus we provide brochures and literature for you to take away and read at your leisure.

Opening Times

Monday – Friday 9am - 5pm
Saturday 9am - 1pm
Unit 6
Bridge Road Industrial Estate
Bridge Road
BS15 4TA
Glass & Glazing Federation Member Fensa Registred Company
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