Home improvement lock designed to secure external wooden doors to insurance-backed standards. Yale Mortice Deadlock gives homeowners confidence through recognised British approvals and a robust five-lever mechanism. Is it the practical, long-lasting upgrade your door needs?
⚡ At a Glance
- • Security Standard: Approved to British Standard BS 3621:2007 and Secured by Design, recommended by insurance companies and the police
- • Best for: Owners of external wooden doors who need insurance-approved, high-security locking
- • Not ideal for: Doors with non-standard backsets or metal/uPVC frames requiring specialised locks
Five-lever mortice deadlock meets BS 3621:2007 and carries Secured by Design approval. Strong resistance to common forced-entry methods suits external wooden doors.
Robust protection - with a five-lever mortice mechanism
Five independent levers interact with the key to control bolt movement, meeting the mechanical requirements of BS 3621:2007. Secured by Design recognition confirms construction and testing standards accepted by police and insurers.
High resistance to forced entry reduces theft risk and helps satisfy insurance requirements for external doors.
Reliable daily operation - with precision key and bolt action
Precision-cut components ensure smooth, precise key rotation and a clean bolt throw, as reflected in user feedback about consistent operation. Two standard Yale keys are supplied, simplifying initial use.
Easy, dependable locking and unlocking make daily use straightforward and reduce the chance of jamming or misalignment.
Easier installation - with a standard 2.5 inch/64 mm backset and fitting kit included
A 64 mm backset corresponds with common external wooden door lock spacing, and user reports confirm a complete fitting kit accompanies the unit for straightforward installation. Replacement keys can be supplied by a locksmith if required.
Fitting typically suits a DIYer or locksmith without custom modifications, speeding up upgrade or replacement work.
✨ The 4 Key Reasons for Yale 5 Lever Mortice Deadlock
- Smooth key action - Provides precise turning and clean bolt throw every time
- Complete fitting kit included - Speeds installation, reducing time and effort for DIYers
- Two standard Yale keys supplied - Allows immediate use with easy replacement from a locksmith
- Brass finish - Matches traditional doors while delivering durable surface appearance
📋 Technical Details at a Glance
- Category: Home Improvement
- Lock type: 5-lever mortice deadlock
- Standard: BS 3621:2007
- Approval: Secured by Design
- Backset: 2.5 Inch / 64 mm
❓ Frequently Asked Questions
Q: Is this lock suitable for external wooden doors?
A: Yes, the lock is described as ideal for exterior wooden doors and is designed with a 64 mm backset common to many external door installations.
Q: Is the lock insurance approved?
A: Yes, approval to BS 3621:2007 and Secured by Design status make the lock recommended by insurance companies and the police for maximum protection.
Q: How many keys come with the lock and can I get replacements?
A: Two standard Yale keys are supplied with the lock, and additional replacement keys can be ordered from a locksmith.
🏆 Our Verdict
Ideal for homeowners who need insurance-backed protection for external wooden doors. A five-lever mechanism combined with BS 3621 and Secured by Design approval provides durable, recognised security. While cost varies by supplier, the accredited construction and easier installation make it a sensible long-term investment for peace of mind.
