If you have a uPVC or composite front door, the honest answer is almost certainly yes. Lock snapping is one of the most common ways burglars get into modern homes, and it takes seconds with the standard cylinder many doors are fitted with. Here is what lock snapping is, what anti-snap really means, and whether it is worth upgrading.
Most uPVC and composite doors use a euro cylinder, the barrel-shaped lock you slide your key into. On a basic cylinder there is a weak point in the middle, and a burglar can grip the part that sticks out, apply pressure and snap it clean in two. Once the cylinder breaks, the mechanism is exposed and the door opens in seconds. No specialist tools, no noise, no forced entry marks. It became such a common method that the industry designed a new standard to defeat it.
The problem is that millions of homes were fitted with these vulnerable cylinders as standard, and most owners have no idea until it is too late. If your door was installed more than a few years ago and nobody has upgraded the barrel, there is a real chance it can be snapped.
Anti-snap cylinders are engineered with sacrificial sections that break away in a controlled way, leaving the working part of the lock intact and the door still secure. The terms you will see on the packaging are worth understanding.
This is where it stops being optional for a lot of people. Many home insurance policies require locks that meet a recognised standard, such as British Standard on the main doors. If you were broken into through a snapped basic cylinder and your policy expected an approved lock, a claim can get complicated. Fitting the right locks protects your home and keeps you the right side of your policy.
You should seriously consider anti-snap cylinders if you have a uPVC or composite door, if your door is more than a few years old, if you have never checked what cylinder is fitted, or if there have been break-ins nearby. It is one of the cheapest, highest-impact upgrades you can make to a home. If you are not sure what you have got, we are happy to take a look and tell you straight.
City Locksmiths have been fitting insurance-approved anti-snap and British Standard locks across Bristol since July 2009. We will check your existing cylinder, measure it correctly so the new one sits flush with no snappable overhang, and fit a high-security replacement that meets common insurance requirements. There is no call-out fee, every job carries our 24-month guarantee, and it is backed by more than 810 five-star Checkatrade reviews. See our lock change and uPVC lock repair pages, or just give Nick a call for honest advice.
For uPVC and composite doors, yes. Lock snapping is one of the most common break-in methods and takes seconds on a basic cylinder. A TS007 3-star anti-snap cylinder closes that weakness for a modest cost.
If your uPVC door is more than a few years old and the cylinder has never been upgraded, assume it is vulnerable. We can check it for you and tell you honestly whether it needs replacing.
It is the kitemark grading for cylinder security. A 3-star cylinder resists snapping, drilling, picking and bumping on its own, giving you the strongest common level of protection for a euro cylinder door.
Often yes. Many policies require locks that meet a recognised standard such as British Standard on main doors. Fitting approved locks helps keep you compliant and protects a future claim. Always check your own policy wording.
Fitting a high-security anti-snap euro cylinder is typically around £70 to £150 depending on the cylinder, with no call-out fee. We agree the price with you before any work starts.
Call Nick to have your cylinder checked and a proper anti-snap lock fitted. Insurance-approved, no call-out fee, and a 24-month guarantee.
0117 287 2012