Description
Agate Grey uPVC Windows – Sandringham Design is suitable for rooms needing thermal performance without a heavy look. The Sandringham Design has been written for buyers who want a premium-looking Agate Grey window without compromising on the core technical specification.
Energy efficiency is handled through A-rated glazing performance, a 1.3 W/m²K U-value, argon gas within the sealed units and black warm edge spacer technology. The frame uses 70mm multi-chamber uPVC construction with a fully sculptured energy-efficient profile in the Agate Grey colourway.
The window is built with secure internal beading, multipoint locking and lockable push-button operation for simple, reliable use. For improved resistance to everyday UK weather, the window uses patented double-action bubble gaskets as part of the sealing system.
- Fully sculptured energy-efficient uPVC profile in Agate Grey
- Fully compliant with Part L Building Regulations
- 10-year profile guarantee for long-term confidence
- A-rated window energy performance with a low 1.3 W/m²K U-value
- Multipoint locking system for secure everyday use
- Lockable push-button window handle included as part of the hardware package
- Argon-filled sealed units with black warm edge superspacer bars between the glass units
- Patented high-performance double-action bubble gaskets to maintain tight weather seals
- 70mm thermally efficient multi-chamber uPVC frame
- Internally beaded construction for maximum security
The design is fully compliant with Part L Building Regulations and protected by a 10-year profile guarantee for long-term reassurance. This gives the Sandringham Design a clear specification for customers who want Agate Grey uPVC windows with dependable performance, secure hardware and a low-maintenance finish.








