Quadrant Sash Fasteners

Traditional Security for Sash Windows

Quadrant sash fasteners are a classic style of window lock designed for traditional wooden sash windows. Their distinctive quadrant-shaped arm securely locks the upper and lower sashes together, improving both security and insulation by reducing rattling and draughts.

These fasteners are ideal for period or heritage properties where maintaining an authentic appearance is key. Available in a variety of finishes—such as polished brass, chrome, or antique black—they offer both function and visual charm.

🔧 Key Features

• Traditional locking mechanism for wooden sash windows

• Enhances window security and reduces movement and draughts

• Easy-to-operate quadrant lever

• Suitable for heritage and conservation projects

• Available in various finishes to match existing hardware

🏠 Perfect For:

✔️ Timber sash windows
✔️ Victorian, Edwardian & Georgian properties
✔️ Restoration and conservation projects
✔️ Matching traditional sash hardware

❓ Frequently Asked Questions

Q: What is a quadrant sash fastener?

A: It’s a locking mechanism used to secure the top and bottom sashes of a traditional wooden sash window together.

Q: Are quadrant fasteners secure?

A: Yes, they provide a solid mechanical lock and help deter forced entry while also reducing draughts.

Q: Can I use these on uPVC windows?

A: No, quadrant sash fasteners are specifically designed for timber sash windows.

Q: Are they easy to install?

A: Yes, they can be fitted with basic tools and are usually attached with screws to the meeting rails of the sash.

Q: Do they comply with building regulations?

A: While they enhance security, for higher security standards (e.g. PAS 24), you may need additional locking systems.