Box sash windows

Replacement windows from New Leaf Box sash windows from New Leaf are available in solid wood and also in timber-alternative construction. Our timber windows use wood from properly managed forests, and is specially selected for its fine grain and high quality. Craftsman-built with durability, security and beauty as the fundamental qualities, our windows are individually crafted to your exact specifications. No matter how unusual the size or design, we can meet your requirements.

All our timber windows are supplied with the option of bare timber, or factory paint or stain finishes incorporating micro-porous sealant, primers and top coats. There is an almost unlimited choice of colours and the finish provides long-lasting weather protection and elasticity, eliminating the risk of distortion that can occur with the use of other finishing products.

The non-timber windows we supply are of extremely high quality. Incorporating advanced features, such as seamless-welded joints, they are available in an extensive range of colours and wood-effect finishes. Together with the wide range of styles available, they are equally suited to traditional and contemporary homes. The design of these products ensure excellent thermal efficiency and weather resistance, so they not only look stunning, but perform excellently as well.

Box sash windows from New Leaf Windows and Doors offer the perfect combination of traditional style and modern technology. They are ideally suited for use in period properties, but equally at home in a contemporary setting.


Timber flush casement windows:

• Standard 24mm double glazing
• Specially-constructed timber section, designed to offer a slim profile whilst incorporating the double-glazed units
• Extra sealing for smooth and easy movement together with excellent weather resistance
• Key or finger operated sash locks incorporated
• Available with either traditional lead balance weights or a pre-tensioned spring mechanism
• Wide range of designs, including arched top and Georgian

Timber-alternative flush casement windows:

• Range of styles available
• Excellent security and weather resistance
• Wide range of colours and wood-effect finishes
• Optional tilt and lift facility for ease of cleaning
• High energy efficiency combined with a traditional appearance
• Extensive choice of fittings and hardware available


selection of replacement box sash windows