Anti-Snap vs Anti-Bump vs Anti-Pick | Which Threat Is Actually Real

Walk into any hardware shop in Liverpool and you'll see cylinders boasting three, four, sometimes five security features on the box. Anti-snap. Anti-bump. Anti-pick. Anti-drill. Anti-extract. It feels reassuring. It also obscures the one question that actually matters: which of these attacks do burglars in the UK genuinely use?

The answer is not what the packaging implies.

The Three Attacks, Briefly Explained

Before the stats, a quick definition of each, because the terms get muddled.

Snapping exploits the weak point in a Euro cylinder where it protrudes past the door furniture. A burglar grips the exposed end, snaps it off with a screwdriver and mole grips, and the lock mechanism is exposed in under a minute. No skill required. No specialist tools. A YouTube tutorial and ten minutes of practice.

Bumping uses a specially cut "bump key" and a sharp knock to momentarily align the pins in a pin-tumbler cylinder, briefly allowing it to turn. It takes more practice than snapping and requires a key cut to the correct profile for that cylinder.

Picking manipulates individual pin stacks with two tools, a tension wrench and a pick, until each pin sets at the shear line. Skilled, quiet, leaves no trace. The stuff of spy films and locksmith training courses.

What the Stats Actually Show

The Office for National Statistics Crime Survey for England and Wales consistently shows that the majority of residential burglaries involve forced entry, not covert entry. "Forced entry" in that context means visible, physical damage: a broken pane, a kicked door, or a snapped lock.

Police-recorded data shared via the National Police Chiefs' Council and Secured by Design's own research puts snap attacks as by far the most common cylinder-specific method used against uPVC and composite doors. Estimates from various forces, including Merseyside Police's own published burglary prevention advice, point to snap attacks accounting for the significant majority of lock-specific break-ins on those door types.

Bump attacks exist. They're used. But they require a bump key in the correct profile, some practice, and crucially, time. A burglar on a Wavertree street at 11 pm doesn't want to stand there rattling a key. Bump attacks appear more frequently in commercial premises, in targeted entries, and in older property stock with pin-tumbler mortice locks. On a standard residential uPVC door in Anfield or Allerton, bumping isn't the primary threat.

Picking at a professional level is rarer still in opportunistic residential burglary. It turns up in insurance fraud investigations and very targeted commercial entries. The average break-in on a semi-detached in Aigburth is not performed by someone with covert entry training.

So the priority order, based on actual attack frequency, is:

1. Snap (by a significant margin on Euro cylinder doors)
2. Bump (real but secondary, more relevant on older mortice-heavy stock)
3. Pick (genuine skill required, rare in opportunistic residential burglary)

What This Means for What You Should Buy

If your door has a Euro cylinder, which it almost certainly does if it's uPVC, aluminium or composite, snap protection is the non-negotiable baseline. A cylinder without it is essentially an invitation.

The standard to look for is TS007 3-star. That's a BSI Kitemark scheme specifically for Euro cylinders. A 3-star cylinder (or a 1-star cylinder combined with a 2-star door furniture escutcheon) has been tested to resist snap, pick and bump attacks. The 3-star rating covers all three. The key word is tested, not just claimed.

Some cylinders worth naming:

• Avocet ABS and Avocet ABS+ are workhorses at the accessible end. TS007 3-star, widely fitted across Liverpool, solid value around £25 to £40 supplied and fitted depending on size.
• Ultion (by Brisant Secure) carries TS007 3-star and SS312 Diamond grading. It goes further on pick resistance than most, using a secondary locking mechanism triggered by attack. Expect £60 to £90 fitted.
• Mul-T-Lock MT5+ is at the high end, genuine high-security pick resistance on top of snap and bump protection. More common in commercial premises and higher-value homes in Woolton or Crosby.
• ERA Fortress offers TS007 3-star at a mid-range price point and is a reasonable choice for landlords managing multiple properties in L4 to L8.

The Door Furniture Question

A TS007 3-star cylinder in a poor-quality handle set is like a good deadlock on a rotten door frame. The escutcheon (the plate around the cylinder) needs to cover the protrusion adequately and be fixed securely. If you can see a significant amount of cylinder proud of the door furniture, that's where snap attacks target. A 2-star escutcheon paired with a 1-star cylinder achieves the same 3-star equivalent under the scheme. But honestly, fitting a proper 3-star cylinder into a decent handle set is simpler and less error-prone.

GU, Fuhr, Maco, Roto and Winkhaus are all reputable multipoint lock manufacturers whose hardware you'll find on doors throughout Liverpool. The cylinder is separate from the multipoint mechanism. Don't confuse the two.

When Pick Resistance Does Warrant Extra Spending

There are situations where bump and pick resistance deserve more weight:

• Older Victorian and Edwardian properties in Toxteth, Everton or Kensington with traditional mortice locks rather than Euro cylinders. BS3621 is the relevant standard there, and it requires pick and bump resistance by definition.
• Landlords with properties in higher-footfall letting areas where keys get copied or passed around. Restricted keyway cylinders (like those on the Ultion or Mul-T-Lock systems) mean keys can only be cut by authorised sources.
• Small businesses, particularly in Liverpool City Centre and Bootle retail units, where targeted commercial burglary is a more realistic risk profile than opportunistic residential entry.

For a standard owner-occupied semi in Garston or Huyton: get the snap protection right first. You're almost certainly not at risk from a skilled picker.

The Practical Recommendation

Don't buy a lock based on how many words are on the box. Buy based on what threat you're actually defending against.

For most Liverpool homeowners and landlords with uPVC or composite doors: a TS007 3-star cylinder is what you need. The Avocet ABS is a sensible minimum. If you want meaningful pick resistance without paying Mul-T-Lock prices, the Ultion is worth the extra thirty pounds.

For older properties with mortice locks: make sure it's BS3621 rated. That standard bakes in pick and bump resistance as requirements, not marketing claims.

Check your existing cylinders. If they're unbranded or more than ten years old, they almost certainly lack snap protection. That's the gap most worth closing, before worrying about anything else on the box.

If you're not sure what you've got, Liverpool Locksmith Services covers the full L postcode area. We can check your existing cylinders, tell you honestly whether they're adequate, and fit replacements the same visit. Average arrival is under 30 minutes across Liverpool and surrounds, and you'll get a price before we start.