A timeless, elegant design, celebrated for classic appeal, making it especially suited for period homes, heritage buildings, and restoration projects.
Sash windows, featuring two vertically sliding panels or “sashes,” offer versatile ventilation by allowing the top, bottom, or both sections to open. Blending timeless charm with modern innovation, these windows evoke historic character while incorporating advanced features like double glazing and draught-proofing for superior energy efficiency and insulation. Contemporary designs also prioritise security, with robust locking mechanisms ensuring peace of mind without sacrificing their authentic aesthetic. Ideal for both restoration projects and new builds, sash windows add classic elegance to any property. Their refined design and practical functionality make them a preferred choice for homeowners seeking style and performance.
The benefits of sash windows !
10 year guarantee
30 co-ordinated & timeless colours available
Superb energy efficiency and U-values as low as 1.3
Heritage specification available
Easy cleaning
Timeless, practical, and elegant
- Classic design – The traditional look of sash windows complements period homes and adds a timeless aesthetic to modern properties.
- Smooth operation – Modern sash windows are fitted with high-quality mechanisms that allow easy sliding, both upwards and downwards
- Maximized light – The large glass surface area allows ample natural light to enter the home.
- Space saving –Because they open vertically, sash windows are perfect for areas where outward-opening windows might obstruct space.
- Good ventilation – You can open both the top and bottom sashes, allowing warm air to exit from the top while cooler air enters from below.
- Retains heritage – Sash windows can often be restored or upgraded to maintain the original character of historic buildings.
Secure, efficient, and sustainable
- Improved security – Modern sash windows come with advanced locking systems, offering more security than older models.
- Double or triple glazing – Upgraded sash windows with energy-efficient glazing can improve thermal insulation, keeping homes warmer.
- Draught-proofing – New designs feature draught seals to eliminate the common issue of air leaks found in older sash windows.
- Noise reduction – Modern sash windows with proper glazing provide effective soundproofing from external noise.
- Weather resistance – High-quality sash windows are built with materials designed to withstand different weather conditions.
- Sustainable materials –Many sash windows are made from sustainable wood or recyclable uPVC, contributing to environmentally-friendly building practices.
Choose your colour:
Our Reversible windows are available in a range of standard RAL colours, including the popular ones:
Anthracite Grey
7016
Rosewood
RAL 8017
Golden Oak
RAL 1011
Cream White
RAL 9001
White Ash
RAL 9016
White
RAL 9010
Find the right colour!
Whatever colour and finish you want for your sash windows, you’ll almost certainly be able to find it in the Fleming range!
Check out our recent installations!
Our FAQs
Check these FAQs for answers to some of the most common questions about our windows. We’ve listened to your most popular queries!
Sash windows feature two movable panels (sashes) that slide vertically. You can open either the top or bottom sash for ventilation.
Traditional sash windows are less energy-efficient than modern designs, but newer sash windows with double glazing and draught-proofing offer good insulation and reduce heat loss.
Yes, modern sash windows can be designed with contemporary features while maintaining the classic aesthetic, making them suitable for both period and new-build homes.
Modern sash windows come with advanced locking mechanisms, making them more secure than older versions, which can be vulnerable to break-ins.
Cleaning traditional sash windows can be more challenging compared to other window types, but some modern designs allow for tilt-in sashes, making both sides easier to clean.
Sash windows are most commonly found in period properties or heritage buildings, though they are increasingly used in modern homes for their classic appeal.
