Addiscombe LOCKSMITH
Locksmith Service

Landlord & Tenant Lock Changes

When a tenancy ends in Croydon — whether a flat off London Road, a terraced house near Addiscombe tram stop, or a managed HMO in Thornton Heath — one task should sit at the very top of every landlord's or letting agent's checklist: changing the locks before the next tenant moves in. You have no way of knowing how many copies of a key were made during a tenancy, who holds them, or whether any were passed on. A fresh cylinder or a full door lock replacement costs far less than dealing with the consequences of an unauthorised entry.

Open 24 hours, 7 days a week · Fully insured

Addiscombe Locksmith is a 24/7 mobile locksmith serving landlords, letting agents and tenants across the CR postcode districts. Our trained, insured technicians come directly to your property — no shop visit needed — and work on front doors, back doors, communal entrances and uPVC or composite doors fitted with multipoint locks. We confirm an exact, up-front quote on the phone before anyone travels out, so there are no surprises when the job is done.

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 Landlord & Tenant Lock Changes Should Happen at Every Tenancy Handover

The legal and practical case for changing locks at tenancy turnovers is straightforward. During a typical twelve-month assured shorthold tenancy, a tenant may have handed spare keys to a partner, a family member, a friend who watered the plants, or a tradesperson who never returned them. When that tenant vacates, every unreturned key becomes an uncontrolled security risk. For landlords operating multiple properties across Croydon — perhaps a portfolio of Victorian conversions around Selhurst or modern flats near East Croydon station — the exposure compounds quickly. Changing the cylinder or the full lock at each handover closes that gap entirely and gives the incoming tenant the confidence that only they hold working keys.

Letting agents have an additional professional duty here. If a tenant reports a break-in and it later emerges that the locks were never changed between occupancies, the managing agent can face serious questions from both the landlord and their own professional indemnity insurer. Building lock changes into every end-of-tenancy checkout process — alongside meter readings and inventory checks — is straightforward when you have a reliable locksmith Croydon service you can book at short notice. Our team is available on evenings, weekends and bank holidays, which matters when vacant possession happens on a Friday afternoon and a new tenant moves in on Saturday morning.

For Tenants Moving In: Your Right to Change the Locks and What to Check — Addiscombe Locksmith

Lock Change Croydon: What the Work Actually Involves

The scope of a tenancy lock change depends on the door type. Many older Croydon terraces have a timber front door fitted with a Yale-type nightlatch on the upper half and a 5-lever mortice deadlock lower down — both of which should be changed or re-cored at every handover. The mortice deadlock is particularly important: insurers frequently require a BS3621-rated 5-lever mortice deadlock as a condition of a home contents or landlord policy, and fitting a non-compliant lock at changeover could inadvertently void cover for the incoming tenant.

Newer properties and converted flats around the Croydon area are more likely to have uPVC or composite doors with a multipoint locking system operated by a euro cylinder. Euro cylinders carry a specific vulnerability: cylinder snapping, where a burglar snaps the exposed portion of the cylinder and uses the broken stub to operate the cam. For this reason, our technicians recommend upgrading to an anti-snap, anti-pick, anti-drill cylinder rated to TS007 3-star whenever a euro cylinder is replaced — particularly on ground-floor flats or properties that back onto alleyways. We carry a range of high-security cylinders and can advise on the right grade for each property during the visit. For a door lock replacement Croydon landlords can trust to meet insurer requirements, calling us ahead of the checkout date lets us schedule the job without a gap in security.

For Tenants Moving In: Your Right to Change the Locks and What to Check — Addiscombe Locksmith

For Tenants Moving In: Your Right to Change the Locks and What to Check

Tenants often ask whether they are allowed to change the locks when they move into a new property. In most cases, there is no law preventing a tenant from changing the locks on their own front door, though a tenancy agreement may require the landlord's permission or that a copy of the new key be provided. If you are a tenant moving into a flat or house in Croydon and you want the reassurance that only your keys work your locks, our team can carry out a cylinder change or full door lock replacement at a time that suits you — including evenings and weekends. We work damage-free wherever the door condition allows, meaning no unnecessary drilling or frame damage during the process.

If you have been locked out of a property you have just moved into and cannot locate the spare key, the right approach is to check all accessible entry points first, contact the letting agent or landlord for a spare, and if none is available, call a professional. We cover lockouts across Croydon and are usually with you in about 30 minutes of your call. If you need an emergency locksmith Croydon residents can reach around the clock, our number is 020 4542 3118 — we answer 24 hours a day, every day of the year. After gaining entry we can replace the lock on the same visit so you are not left with a compromised door overnight. We verify that the person requesting entry is the lawful occupant before any work begins — this is a standard step our technicians carry out on every callout.

For Tenants Moving In: Your Right to Change the Locks and What to Check — Addiscombe Locksmith

uPVC Door Lock Repair Croydon and Multipoint Lock Servicing for Managed Properties

Landlords and housing associations managing blocks of flats or larger HMOs across Croydon sometimes discover that a tenant's door has developed a fault — the handle drops, the lock is stiff, or the door no longer closes flush with the frame. These are typically signs of a failing multipoint lock mechanism or a worn gearbox inside a uPVC door, and they should be addressed promptly both for security and to meet the landlord's repair obligations under the Landlord and Tenant Act 1985. Our technicians carry common multipoint lock mechanisms and euro cylinders for uPVC and composite doors and can usually complete a repair or upvc door lock repair Croydon landlords need on a single visit.

For communal entrance doors — a common feature of the many converted Victorian houses and purpose-built blocks found between South Croydon and Norbury — we can replace or upgrade cylinders on shared entrance locks and ensure all current flat holders receive working keys. When a flat within a block changes tenants, we can change that flat's internal front door cylinder independently of the communal entrance, which is often the most practical and cost-effective approach. Scheduling this work during a void period between tenancies minimises disruption to other residents. Call 020 4542 3118 to discuss the specific setup of your managed property and we will confirm exactly what is needed and what it will cost before we travel out.

For Tenants Moving In: Your Right to Change the Locks and What to Check — Addiscombe Locksmith

What Determines the Quote for a Tenancy Lock Change

Every job is quoted individually because several factors affect the final figure. The type and condition of the existing lock matters — replacing a standard nightlatch cylinder is a quicker job than sourcing a specific multipoint mechanism for an older uPVC door. The time of the callout plays a role, as out-of-hours work on evenings, weekends or bank holidays is priced differently from a standard weekday appointment. Travel distance within the Croydon area and the parts required for the specific door all factor into the total. When you call 020 4542 3118, our team will ask about the door type, the locks fitted and your location, and will give you a confirmed price before anyone travels out — there are no hidden extras added on arrival. For landlords and letting agents managing multiple properties, we are happy to discuss block booking arrangements for planned tenancy turnovers.

For Tenants Moving In: Your Right to Change the Locks and What to Check — Addiscombe Locksmith

Frequently asked questions

Answers to what our customers ask most. Still unsure? Just call.

Is a lock change between tenancies a legal requirement for landlords in England?+

There is no specific law in England that compels a landlord to change the locks between every tenancy. However, landlords have a duty under the Landlord and Tenant Act 1985 to keep the property secure and in a good state of repair. More practically, if a former tenant retains a working key and uses it to gain entry, the landlord could face liability. Many letting agents in Croydon now include lock changes as a standard checkout procedure precisely because the cost of a cylinder change is negligible compared to the risk of an unauthorised entry during a void period.

Can a tenant change the locks without telling the landlord?+

Tenants in England are generally permitted to change the locks on their own front door, but many tenancy agreements require the landlord's written consent first, or that the landlord is provided with a copy of the new key. If you are a tenant in Croydon who wants the reassurance of knowing only your keys work your locks, we recommend checking your tenancy agreement and speaking to your letting agent before booking the work. Our technicians can carry out the change at a time that suits you, and we can supply an extra key-cut cylinder so a copy can be handed to your landlord if required.

What type of lock should a landlord fit to meet insurance requirements?+

Most household and landlord insurance policies in the UK require external doors to be secured with a 5-lever mortice deadlock rated to BS3621. For uPVC and composite doors with euro cylinders, insurers increasingly ask for cylinders rated to TS007 3-star, which means they are tested against snapping, picking and drilling — the three most common cylinder attacks. When our technicians carry out a door lock replacement Croydon landlords request, we can advise on the specific rating of any cylinder or mortice lock we fit so you can pass that information to your insurer if needed.

How quickly can you get to a property in Croydon for a tenancy lock change?+

We operate 24 hours a day, seven days a week, including bank holidays, and we send a technician straight away on receipt of a confirmed job. In most areas of Croydon — from Addiscombe and Shirley through to Purley and Coulsdon — we are usually on site within about 30 minutes of your call. For planned tenancy changeovers, landlords and letting agents can book in advance and choose a time that fits their checkout schedule, which avoids any gap in security between one tenant leaving and the next moving in.

What is a euro cylinder and why does snapping matter on uPVC doors?+

A euro cylinder is the oval-shaped lock insert found in most uPVC, composite and aluminium doors. The portion of the cylinder that protrudes beyond the door furniture can be targeted by a technique where it is forcibly snapped off, leaving the internal cam exposed and allowing the door to be opened without a key. Anti-snap cylinders are designed with a sacrificial break point inside the door so that if the outer section snaps, the internal mechanism remains secure. For any property in Croydon where the existing euro cylinder is not rated to at least TS007 3-star, we strongly recommend upgrading it — particularly for ground-floor flats or rear doors accessible from a shared garden or car park.

Do you work for letting agents managing multiple Croydon properties, not just individual landlords?+

Yes. We regularly work with letting agents and housing associations who manage portfolios of properties across Croydon and the surrounding CR postcode districts. We can accommodate planned tenancy turnovers, urgent out-of-hours callouts when a property needs to be secured after a tenant vacates unexpectedly, and lock repairs on communal entrance doors in blocks of flats. When you call 020 4542 3118, we can discuss your specific requirements, confirm an up-front price for each job type, and ensure our technicians are available at the times your checkout schedule demands — including evenings, weekends and bank holidays.

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