Lock Change & Replacement
Whether you have just moved into a flat on Cherry Orchard Road, returned from a holiday to find a lock that feels loose, or ended a tenancy and need to know the previous occupant no longer holds a working key, a lock change is one of the most straightforward ways to restore your peace of mind. Addiscombe Locksmith is a mobile lock change service operating across Croydon and the surrounding area — our trained, insured technicians come directly to your door, assess what you have, and carry out the work on the spot, usually without causing any damage to the frame or door furniture.
Open 24 hours, 7 days a week · Fully insured
We cover the whole CR postcode district, from the town centre out to Addiscombe, Shirley, South Croydon and beyond, and we answer the phone around the clock — evenings, weekends and bank holidays included. Whether you need a straightforward house lock change on a timber door, a euro cylinder swap on a uPVC door, or a full door lock replacement Croydon landlords and letting agents rely on between tenancies, this page explains what to expect, what choices you have, and how the process works from first call to finished job.
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 Croydon, 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 a Lock Change Croydon Residents and Landlords Book Most Often
The most common reason people call us is a change of occupancy. When a tenancy ends, a landlord or letting agent has no guarantee that all copies of the key have been returned — a straightforward cylinder replacement removes that uncertainty entirely and means the new tenant starts with a clean slate. The same logic applies when a relationship breaks down, after a burglary or attempted break-in, following the loss of a key, or when an old lock has simply worn to the point where it sticks or turns unevenly. In Croydon, where a large proportion of housing stock is purpose-built flats and converted Victorian terraces managed through letting agents, we carry out lock change work for landlords and tenants on a regular basis.
On timber front doors you will typically find a Yale-type nightlatch combined with a 5-lever mortice deadlock — insurers often specify that the mortice deadlock meets BS 3621, so if yours does not, we can upgrade it at the same visit. uPVC and composite doors — which are common on newer builds across the Croydon area — use a multipoint locking system operated by a euro cylinder. Euro cylinders carry a specific risk known as cylinder snapping, where a burglar breaks the protruding part of the cylinder to operate the cam directly. Fitting an anti-snap, TS007 3-star rated cylinder closes that vulnerability and is the upgrade most insurers and local crime-prevention advisers recommend. We stock a range of insurance-rated cylinders and can advise on the right grade for your door type on the day.
Door Lock Replacement Croydon: What the Work Actually Involves
A door lock replacement visit from our team follows a consistent, transparent process. When you call 020 4542 3118 we ask a few short questions — the type of door, the lock you currently have, and your postcode district — so we arrive with the right parts rather than making a second trip. We confirm an exact up-front price on the phone before anyone sets off; the factors that determine your final quote include the type and grade of lock or cylinder required, the time of day, the distance from our nearest available technician, and any additional work needed such as adjusting the keep or repairing a damaged door edge. Once on site, the technician removes the existing lock or cylinder, fits the new one, checks the door aligns correctly, tests the mechanism under load, and hands you the new keys.
Where possible we work without drilling into the frame or damaging the door finish — most cylinder changes on uPVC and composite doors are entirely non-destructive, taking around twenty to thirty minutes. Mortice deadlock replacements on timber doors take a little longer if the existing lock pocket needs any adjustment, but we aim to leave the door in better condition than we found it. We carry insurance-rated options as standard, so if you need a BS 3621 mortice lock or a TS007 3-star anti-snap cylinder to satisfy your home insurance policy, we can fit one the same day.
Emergency Lock Change and 24 Hour Locksmith Croydon Cover
Some situations cannot wait until morning. A lock that has been visibly tampered with after an attempted break-in, a door that will no longer secure properly, or a tenancy dispute that requires immediate re-securing of a property — these are all circumstances where our emergency lock change service matters. We operate as a genuine 24 hour locksmith Croydon service: when you call 020 4542 3118 at any hour, a real person answers, and we send a technician straight away. In most parts of Croydon we are usually with you in around 30 minutes, though we never promise an exact arrival time because road conditions around the A23 and town centre can vary.
If you are locked out rather than needing a lock change, we can help with that too — but if the door has been compromised or you simply want the security of knowing no other key will work, combining a lockout call with an immediate cylinder or lock change is a sensible step many of our customers choose. As a mobile locksmith Croydon team, we do not operate from a fixed shop; every job is attended in person at your address, with parts carried in the van so the work is completed in a single visit wherever practically possible.
upvc Door Lock Repair Croydon, Insurance-Rated Upgrades, and Specialist Situations
Beyond straightforward replacements, we also carry out uPVC door lock repair Croydon properties often need — multipoint mechanisms can drop out of alignment over time, causing the door to feel stiff or fail to lock at all without lifting the handle hard. In many cases a repair or adjustment resolves the problem without a full replacement; in others, the gearbox within the multipoint unit has failed and needs swapping out. We will give you an honest assessment of which option is appropriate and confirm the cost before starting. For landlords managing several properties across Croydon, we can discuss visit scheduling to minimise disruption between tenancies — just mention this when you call. Housing association properties and blocks of flats with communal entrances are welcome; we are experienced in coordinating with managing agents and can work on individual flat doors as well as communal entrance locks. Our technicians are trained and insured, carry professional identification, and will always verify that you have the right to authorise work on the property before beginning — this is standard practice for every job, not just those with unusual circumstances.
What Our Lock Change Service Covers — Specific Services We Provide
To give you a clear sense of the breadth of our work, here is what our lock change service includes across Croydon and the surrounding area: euro cylinder replacement on uPVC doors; euro cylinder replacement on composite doors; anti-snap TS007 3-star cylinder upgrades; BS 3621 5-lever mortice deadlock replacement; Yale nightlatch replacement; wooden door lock change on front and back doors; multipoint lock gearbox replacement; multipoint lock alignment and adjustment; uPVC door handle and mechanism repair; French door lock change; communal entrance lock replacement for blocks of flats; lock change after a break-in or attempted break-in; emergency lock change following key loss; lock change between tenancies for landlords; lock change for tenants moving into a new property; lock change following a relationship breakdown; insurance-rated lock upgrades to meet policy requirements; lock change on rear garden doors; lock change on internal doors where security is needed; anti-pick and anti-drill cylinder upgrades; lock change on timber Victorian terraced doors; lock change on newer-build doors in housing developments; lock change on rented flats in converted houses; lock change coordination for letting agents and managing agents; and damage-free cylinder removal where the door and frame condition allows.
Frequently asked questions
Answers to what our customers ask most. Still unsure? Just call.
How do I know if my lock meets my home insurer's requirements?+
Most UK home insurers ask for a BS 3621 5-lever mortice deadlock on timber doors, and many now also specify an anti-snap euro cylinder rated to TS007 3-star on uPVC and composite doors. The best way to check is to look at your policy schedule under the security requirements section. If you are unsure, our technician will assess your existing locks when they arrive and confirm whether they meet common insurance standards. If an upgrade is needed, we carry appropriate stock and can carry it out the same visit.
Can a tenant request a lock change without the landlord's permission?+
In most cases a tenant should obtain the landlord's written agreement before changing a lock, as the tenancy agreement usually requires it and the landlord may need access in an emergency. That said, there are specific circumstances — for example, following a domestic situation — where a tenant may have grounds to act independently. We always verify that the person instructing us has the right to authorise work on the property. If you are a tenant unsure of your position, it is worth speaking to your letting agent or seeking advice before booking. If you are a landlord seeking a change between tenancies, we can proceed straightforwardly once identity and ownership are confirmed.
What determines the cost of a lock change?+
There is no single flat rate because several factors affect the final price: the type of lock or cylinder being fitted and its security grade; whether the job requires any adjustment to the door frame or keep; the time of day, since out-of-hours work involves different costs; and the distance our nearest available technician needs to travel. We always confirm an exact price on the phone before we send anyone out, so there are no surprises when the job is done. Call us on 020 4542 3118 and we will give you a clear quote based on your specific situation.
How quickly can you get to me for an emergency lock change in Croydon?+
We operate as a 24 hour locksmith Croydon service, so when you call 020 4542 3118 at any time of day or night, evenings, weekends or bank holidays, we answer and dispatch a technician straight away. In most parts of the CR postcode district we are usually with you in around 30 minutes, though we cannot guarantee an exact arrival time as it depends on traffic conditions and the location of our nearest available technician at that moment. We will give you an honest estimated arrival window when you call.
My uPVC door lock is stiff and hard to operate — does the whole lock need replacing?+
Not necessarily. Stiffness on a uPVC or composite door is often a sign that the multipoint mechanism is out of alignment rather than fully failed, and in many cases an adjustment to the door hinges or the keep resolves the problem without replacing any parts. If the gearbox inside the multipoint unit has worn out or broken, that component can usually be replaced independently of the full door furniture. Our technician will diagnose the cause on site and explain the options clearly before any work begins.
Do you work for landlords, letting agents, and housing associations as well as individual homeowners?+
Yes, and a significant part of our regular work in Croydon comes from exactly those clients. Landlords and letting agents often need a lock change turned around quickly between tenancies, and we are used to coordinating that efficiently — including on blocks of flats where communal entrance locks may also need attention. Housing association properties are welcome too. When you call, just let us know the nature of the property and your role, and we will make sure the visit is arranged appropriately.
Locked out or need a lock fixed? We are on the way.
We answer 24/7 — talk to a real local locksmith now.
020 4542 3118