W21 Two Side-Opening Sash Window – Kömmerling 70 Profile – 1200x1200mm – Rosewood
Price range: £459.10 through £510.15 (Vat inc.)
| Glass option |
28mm double glazing ,36mm triple glazing |
|---|
Description
W21 Two Side-Opening Sash Window – Kömmerling 70 Profile – 1200x1200mm – Rosewood
Our W21 window, featuring two side-opening sashes, provides excellent ventilation and ease of use while maintaining a sleek, modern appearance. Designed using the energy-efficient Kömmerling 70 profile, this window ensures superior thermal insulation and durability. The Rosewood finish on both sides offers a warm, elegant look suitable for any home style.
Product Details:
- Dimensions: 1200x1200mm
- Configuration: Two side-opening sashes for versatile ventilation
- Colour: Rosewood (both sides)
- Profile: Kömmerling 70, 5-chambered system for enhanced energy efficiency
- Glazing: Available in 28mm double glazing or triple glazing for maximum insulation
What’s Included:
- 150mm external Rosewood sill
- Vent for improved ventilation
- Customization: Custom sizes and configurations are available—please contact us for bespoke solutions.
Key Features:
- Two Side-Opening Sashes: Both sashes open outward for flexible ventilation and easy access, offering maximum convenience.
- French Window Option: Customize this window with a floating mullion for a French window design. When both sashes are opened, there is no fixed central post, providing a clear, unobstructed view and easy access.
- Energy Efficiency: Achieve excellent thermal performance with a U-value of 1.2 W/m²K, reducing heat loss and keeping your home energy-efficient.
- Noise Reduction: Blocks external noise by up to 42 dB, ensuring a quieter indoor environment.
- High Security: Compliant with PAS 24 and Secured by Design standards, with anti-burglary fittings available for extra security.
- Durability: Built with steel reinforcement and high-quality weather seals to protect against the elements.
Professional Installation Available:
We offer installation services within a 60-mile radius of ST5 9QH. Contact us for a personalized installation quote.
Customization Options:
Choose additional features like acoustic glass, toughened glass, laminated glass, or sun protection glass to meet your specific needs.
Why Choose Windows4You?
- Sustainable Manufacturing: Made using lead-free, recyclable materials for an environmentally friendly solution.
- Fast Delivery: Custom-made windows delivered in 3 to 4 weeks.
- Bespoke Designs: Need a different size, colour, or style? Contact us for a custom quote to meet your exact requirements.
For more details and product options, download our brochure.

Window sills
