Cardinal Windows

About Us
The Official Cardinal Windows Online Shop is an online one-stop shop facility for purchasing high-quality sliding sash windows at a competitive price. This simple alternative method of buying windows is a quick and efficient way of having your bespoke windows on site at reliable lead-times. 

Bespoke Wood Sliding Sash Window
Cardinal Windows guarantee highest quality, great performance, style, competitive prices and superior engineering. Our windows are built to last and to offer energy efficiency. Our products provide low U-values, excellent acoustic rates and are eco-friendly. These features provide our windows with a long life cycle combined with aesthetics, resulting in enhanced customer satisfaction.

Interactive Online Window Builder with Real Time Quotations
We believe in providing our clients a diverse range of options to customise their windows. Our website has been carefully designed to support builders, architects and end users with a quick and simple way of ordering wooden sliding sash windows with instant quotes.

Our innovative Window Builder Feature is user friendly and presents the user with a range of options to select from, a real-time image of the window being constructed and instant quotations as you design your window.

Key Features

• Wooden Weighted and Spring Loaded Sliding Sash Windows
• Suitable for all applications including Conservation
• Window design profiles for authentic sash: Ovolo, Lamb’s Tongue, Concave and Putty line
• Manufactured from engineered triple layered timber
• Any RAL colour, dual colour also available
• Air tight triple seal between sash and frame
• Flat finish to joints avoid unsightly V joints
• Five sash horn types for bespoke requirements
• CE Certified
• Extensive 10 years warranty

Optional Features

• Oak wood option
• Toughened glass where required
• Obscure and Sandblast glass available
• Choice of hardware colours
• Choice of trickle vent sizes and colours

Benefits to the Client

• Quotations: The website is available 24/7 as a quotation tool. The system allows you to see prices in real-time according to the specifications and options that you choose.


• Orders: To secure your window order you either pay in full or a deposit of 50% of the total purchase price and the remaining 50% payable when your windows are delivered to the collection depot.


• Security: Cardinal Windows ensures credit card information protection through a secure online environment and comply with the Data Security Standards from PCI (Payment Card Industry).


• Delivery times: Orders can be collected in 6-8 weeks from the purchase date. Charges apply for delivery and delivery times may vary according to the destination.


• Order status: Following your order, you will be notified by e-mail at the stages of the production and delivery process.


• User account: A register will be required for purchasing on the website which allows you to view previous orders, and change your personal information.