Euro Cylinders & Anti-Snap Locks
Lock snapping is one of the most common and least visible methods of burglary affecting homes across North London, and properties in Kentish Town are no exception. Streets like Fortess Road and Gospel Oak see a mix of Victorian terraces, converted flats and newer builds, most of which rely on euro cylinders fitted into uPVC or composite front doors — the very lock format that standard, unprotected cylinders leave exposed. A burglar can snap a cheap euro cylinder in under a minute using tools no more specialised than a pair of mole grips, bypassing the door entirely without breaking glass or forcing a frame.
Open 24 hours, 7 days a week · Fully insured

Upgrading to an anti-snap, TS007 3-star rated euro cylinder is one of the most cost-effective single improvements any Kentish Town householder or tenant can make to their home security. Our mobile locksmith team is available around the clock — including evenings, weekends and bank holidays — and we come directly to your property anywhere in the NW5 postcode and surrounding areas. We carry a range of fully tested, insurance-approved cylinders and can usually have a new lock fitted the same visit, with no need for follow-up appointments. Call 020 7871 7825 and a trained technician will be with you, typically within about 30 minutes.
What we do
Available 24/7
Day, night, weekends and bank holidays — a real local locksmith answers and sends a fully-stocked van.
We come straight away
Based in Kentish Town, we send a locksmith straight away — we're usually with you in about 30 minutes.
Fully insured
Vetted locksmiths, a clear price on the phone, and no surprise add-ons when we arrive.
Damage-free entry
We pick and bypass locks the right way, so most lockouts are solved without drilling anything.
Why Euro Cylinders & Anti-Snap Locks Matter for Kentish Town Homes
The vast majority of uPVC and composite doors — which dominate much of the housing stock in Kentish Town, from the mansion-converted flats near Dartmouth Park Hill to the newer builds along Kentish Town Road — are secured by a euro cylinder. In its most basic form, a standard euro cylinder has a small section of metal protruding from the door face that acts as a lever point. Apply sideways force to that protrusion and the cylinder body fractures cleanly at its weakest point, leaving the internal cam mechanism exposed and the door unlocked. No alarm is triggered, no glass breaks, and the whole process can be over before a neighbour notices anything unusual.
A TS007 3-star rated anti-snap euro cylinder is engineered specifically to defeat this attack. The cylinder is manufactured with a deliberate sacrificial break point set away from the cam, so that even if the outer section does fracture under force, the inner section — and the locking mechanism itself — remains fully intact. Many also incorporate anti-pick, anti-drill and anti-bump features as part of the same rated specification. For tenants and landlords alike, fitting a 3-star cylinder is frequently a condition of home contents or buildings insurance, and it is the grade recommended under Sold Secure and insurance industry guidelines. Our team supplies and fits cylinders that meet this standard as a matter of course.

Our Lock Change London Service: What the Visit Involves
When you call us for a door lock replacement London-wide or specifically in Kentish Town, the process is straightforward. A qualified technician arrives at your property, assesses your existing cylinder size and door configuration, and confirms the exact up-front price before any work begins — there are no surprises on the invoice. The factors that determine your final quote include the type and size of cylinder required, whether the door has a standard or non-standard backset, the time of day the job is carried out, travel distance, and the specific parts needed. We will always explain these factors clearly over the phone before we set off.
Fitting is carried out with care to avoid unnecessary damage to the door or frame wherever possible. In most cases, swapping a euro cylinder is a clean, non-destructive process: the retaining screw is released, the old cylinder withdrawn, and the new 3-star unit seated and tested before we leave. If your door has sustained damage during a previous break-in attempt — something we do occasionally see on properties near the Kentish Town West Overground station, where footfall can attract opportunist crime — we will assess whether the door frame or multipoint lock mechanism also needs attention and advise you honestly on the options. We carry a selection of cylinder sizes to cover the most common door thicknesses on-site, so a second visit is rarely necessary.

24 Hour Locksmith London: Available When You Need Us Most
Lock snapping attempts do not follow office hours, and neither do we. Our emergency locksmith London service operates every hour of every day, including bank holidays, so whether you have discovered a damaged cylinder late on a Sunday evening or a letting agent has flagged a security concern at a managed block of flats in NW5, we can respond straight away. When you ring 020 7871 7825, you speak directly to our team — not an answering service — and we dispatch a skilled technician immediately. We are usually with you in about 30 minutes, though we will always give you a realistic arrival window based on current location and traffic.
For landlords and housing association properties in Kentish Town, we understand that a compromised cylinder on a communal entrance or individual flat door requires prompt action — both for the safety of the occupant and to satisfy obligations under the tenancy agreement. We work efficiently and cleanly, and our technicians are trained to verify occupancy or authority before carrying out any work on a property, which protects both landlord and tenant. All of our operatives are fully insured, giving you straightforward reassurance that the work is covered should anything unexpected arise.

UPVC Door Lock Repair London and Choosing the Right Cylinder
Not every euro cylinder job is a straightforward swap. uPVC door lock repair London calls often involve multipoint locking systems where the cylinder drives a series of hooks and bolts up and down the door edge. If the cylinder has been snapped — or has simply worn out — those hooks may no longer engage correctly, leaving the door difficult to close or not properly secured even when the cylinder is replaced. Our technicians are experienced with the full range of multipoint mechanisms found on uPVC and composite doors across North London, and we carry alignment tools and common replacement components to address these issues in the same visit where possible.
When selecting a replacement cylinder, size matters enormously and is easy to get wrong. Euro cylinders are measured by the distance from the centre screw hole to each end — a cylinder that is too long will protrude beyond the door furniture and create exactly the lever point that anti-snap design is meant to eliminate. We measure the existing cylinder or the door furniture precisely and fit the correct size. For most Kentish Town properties we recommend a cylinder rated to TS007 3-star as a minimum, though for high-value or high-risk properties we can discuss additional options such as restricted keyway cylinders, which prevent unauthorised key copying. If you are locked out London and need an emergency replacement, call 020 7871 7825 — we answer around the clock and can advise you on the right cylinder before we arrive.

Services We Provide Across Kentish Town and North London
Our mobile locksmith team offers a comprehensive range of residential security services across NW5 and the surrounding postcodes. These include: anti-snap euro cylinder supply and fitting; TS007 3-star cylinder upgrades; standard euro cylinder replacement; multipoint lock repair and adjustment on uPVC doors; multipoint lock replacement; composite door cylinder fitting; nightlatch replacement and upgrade; 5-lever mortice deadlock supply and fitting to BS3621 standard; deadlock repair; front door lock change; back door lock change; uPVC patio door lock repair; French door lock repair; wooden door lock repair; door handle replacement; letterbox plate fitting; door frame repair following forced entry; non-destructive entry for residential lockouts where possible; lock-out assistance for tenants with landlord or agent verification; communal door cylinder replacement for blocks of flats; landlord lock change between tenancies; managing agent call-outs; emergency boarding up following break-in; security survey and cylinder recommendations; door alignment checks that affect lock engagement; and anti-snap cylinder installation as an insurance compliance upgrade. Every job begins with a confirmed up-front quote, and all work is carried out by fully insured, trained technicians.

Frequently asked questions
Answers to what our customers ask most. Still unsure? Just call.
What is lock snapping and how do I know if my door is at risk?+
Lock snapping is a method of forcing entry by breaking a standard euro cylinder at its weakest structural point, allowing a burglar to access the internal cam and open the door without a key. It requires no specialist skill and leaves relatively little visible damage until the door is opened. If your front or back door uses a euro cylinder — the oval-shaped barrel most commonly found in uPVC, composite or aluminium doors — and that cylinder is not rated to TS007 3-star or higher, your door is likely vulnerable. Many Kentish Town properties, particularly in converted Victorian terraces and purpose-built flats, use exactly this type of cylinder. If you are unsure, our technician can assess your existing lock and advise you on the spot.
How is a TS007 3-star cylinder different from a standard euro cylinder?+
A TS007 3-star cylinder is independently tested and rated to resist the three most common physical attacks: snapping, picking and drilling. The key difference for snapping resistance is an internal engineering feature that causes the cylinder to fail at a sacrificial break point set well away from the cam mechanism. Even if the outer section fractures under forced attack, the part that actually operates the lock remains protected and functional. Standard cylinders have no such protection — they snap cleanly at the cam and hand control of the door to whoever is on the other side. The 3-star rating is now widely required by home insurance policies, and it is the minimum we recommend for any euro cylinder door.
How much does it cost to upgrade to an anti-snap cylinder?+
We do not publish fixed prices because the final cost depends on several specific factors: the size and specification of the cylinder your door requires, whether any ancillary work such as handle or frame repair is needed at the same time, the time of day the job is carried out — including whether it falls on an evening, weekend or bank holiday — and your location relative to our current operative. What we always do is confirm an exact up-front price with you over the phone before anyone travels to your property, so you can make an informed decision before any commitment. Call 020 7871 7825 and we will give you a clear quote based on your specific situation.
Can you replace my cylinder if I am a tenant rather than the property owner?+
Yes, though the approach depends on your tenancy agreement and your landlord's or letting agent's position on security upgrades. In many cases, tenants are permitted or even encouraged to upgrade to a higher-security cylinder, provided the landlord receives a copy of the new key. Our technicians are experienced in working with tenants, landlords and managing agents across Kentish Town and will confirm the appropriate authority before carrying out any work. If your landlord or letting agent needs to be contacted first, we can pause while you arrange that. We will not carry out work on a property where the occupancy or authority is unclear — this protects everyone involved.
How quickly can you reach a property in Kentish Town?+
We send a technician straight away when you call, and we are usually with you in about 30 minutes. Actual arrival depends on where our nearest available operative is at that moment and on road conditions — we will always give you a realistic window when you call rather than an exact time we cannot guarantee. We cover the whole of Kentish Town including the NW5 postcode district and neighbouring areas, and because we are a fully mobile service, there is no need for you to travel or bring the door to us — we come directly to your property at any hour of the day or night, every day of the year.
Will fitting a new cylinder damage my door?+
In the overwhelming majority of cases, fitting a euro cylinder replacement — including an anti-snap upgrade — is entirely non-destructive. The cylinder is held by a single retaining screw behind the door handle, and once that is released the old cylinder slides out and the new one slides in. The door, frame and existing hardware are unaffected. Where damage is already present — for example if a previous snap attempt has stressed the cylinder housing or the multipoint mechanism — our technician will identify that before starting work and explain what, if anything, needs to be addressed alongside the cylinder change. We always aim to leave the door in better condition than we found it, and we work carefully to avoid creating additional damage during the visit.
Locked out or need a lock fixed? We are on the way.
We answer 24/7 — talk to a real local locksmith now.
020 7871 7825