Anti-Snap High-Security Lock Installation

The single biggest upgrade for any uPVC or composite door. Anti-snap cylinders are engineered with a 'sacrificial' section that breaks away on attack, leaving the working part of the lock intact and the door still secure. Recommended by every UK police-approved security scheme.

What's included

• Supply of an anti-snap cylinder to your chosen rating
• Precise sizing — cylinder fitted flush to the handle for maximum protection
• Full installation and function test
• Three keys included (or six on request, charged separately)
• Old cylinder disposed of responsibly

Pricing

1-Star TS007 anti-snap from £90 (best paired with a 2-star security handle). 3-Star TS007 / Sold Secure Diamond from £140 — accepted by all major UK home insurers as standalone high-security protection. No VAT and no call-out fee — the price you see is the price you pay. Parts and labour are included unless otherwise stated.

Frequently asked questions

What's the difference between 1-star and 3-star?
1-star resists snapping only. 3-star resists snapping, picking, drilling, plug extraction and bumping — the full attack spectrum.

Is anti-snap really that important?
Yes. Lock snapping is one of the most common burglary methods on uPVC doors and takes less than a minute on standard cylinders.

Will this affect my insurance premium?
Many insurers offer reduced premiums or improved cover when a 3-star cylinder is fitted. Check your policy or ask us for the certificate.

Service area & guarantee

We serve Preston, Lancashire and the surrounding PR postcode area. Same-day and emergency appointments available. All work is carried out by a fully insured local locksmith — no national call-centre middlemen. All our work is backed by a 12-month workmanship guarantee.

Book online by selecting your option and adding to cart, or call us on 07786 917834 for advice and emergency callouts.