Description
Agate Grey uPVC Windows – Clarendon Design is suitable for builders needing a reliable made-to-measure window option. The Clarendon Design offers a refined Agate Grey finish with the thermal and security features needed for a long-lasting replacement window.
A-rated thermal efficiency, a 1.3 W/m²K U-value and argon-filled glass units help make this window suitable for modern insulation expectations. The frame uses 70mm multi-chamber uPVC construction with a fully sculptured energy-efficient profile in the Agate Grey colourway.
For peace of mind, the window includes multipoint locking, a lockable push-button handle and internally beaded construction for improved protection. To support year-round comfort, the patented bubble gasket system helps keep the seal tight and consistent around the window.
- 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
- 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
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 Clarendon Design a clear specification for customers who want Agate Grey uPVC windows with dependable performance, secure hardware and a low-maintenance finish.








