KPW Joinery manufacturers agrees that the sash window is undoubtedly a firm favourite with most of our customers across Merseyside.

The timeless wooden design and historic look of the window dates back to the 17th century and at George Barnsdale, we offer both box sash and sliding sash window, tell us the measurements you need and we will get back to you with a free no obligation quotation.

Do you know what is the difference between a box sash and a sliding sash window?

Well it simply comes down to the mechanism that works within the window, Read more bellow, we hope this helps in your planning.

Box sash by KPW Joinery Manufacturer

Box sashes are the traditional style of window, where a system of weights and pulleys on a piece of sash cord would counterbalance the sash and enable easier movement of the heavy window.
The system would be housed inside a box, built into the side of each window and hidden from view. Hence why they are called box sashes.