Landlord & Tenant Lock Changes
When a tenancy ends in Cambridge — whether a student letting off Mill Road, a professional flat on Chesterton Road, or a terraced house near the Grafton area — one of the most important steps a landlord or letting agent can take is ensuring the outgoing tenant's keys can no longer open the door. Chesterton Locksmith is a fully insured, mobile locksmith service operating across Cambridge and the surrounding area, available every hour of every day, including evenings, weekends and bank holidays.
Open 24 hours, 7 days a week · Fully insured
We attend properties throughout CB1, CB2, CB3, CB4 and CB5, working directly with private landlords, letting agents, housing associations and incoming tenants who need a fresh set of locks before they settle in. Our trained technicians come to you, assess the existing hardware, and carry out a professional door lock replacement Cambridge landlords and tenants can trust — with an exact, up-front quote agreed before any work begins.
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 Cambridge, 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 and Tenant Lock Changes Matter at Every Tenancy Handover
Changing the locks between tenancies is not simply a courtesy — in many cases, it is a practical necessity for both security and peace of mind. A set of keys passes through many hands during a typical tenancy: the tenant, their housemates, friends who were given a spare, maintenance contractors, and occasionally a previous occupant who never returned all copies. By the time a tenancy ends, it is almost impossible to verify that every key has come back. A lock change Cambridge landlords carry out at handover removes that uncertainty entirely, so the incoming tenant knows they are the only person with working keys from the moment they step through the door.
Letting agents managing portfolios across Cambridge — from purpose-built student blocks near the university to Victorian terraces in Romsey — often build a lock change into their standard check-out procedure for exactly this reason. It also protects landlords from liability: if a future security incident were traced back to an unchanged lock, the question of due diligence would inevitably arise. Our locksmith Cambridge team makes the process straightforward, arriving at the property at a time that suits the handover schedule and completing the work quickly so the property is ready to relet without delay.
What a Professional Lock Change Cambridge Service Actually Involves
A lock change is not simply swapping one barrel for another. Our trained technicians begin by assessing the existing door furniture: the type of lock fitted, the condition of the door frame and keep, and whether the current hardware meets the standard that most Cambridge landlords' insurers expect. On a traditional timber front door you will typically find a Yale-type nightlatch and a 5-lever mortice deadlock — insurers frequently require the mortice deadlock to meet BS3621 to validate a home contents or landlord policy. If the existing lock does not meet that standard, we will tell you before we start and explain the options.
On uPVC and composite doors — now common on many Cambridge new-builds and converted flats — the security rests with the euro cylinder inside a multipoint locking system. Cylinder snapping is a well-documented method of forced entry, particularly relevant on older uPVC doors where the cylinder protrudes beyond the door furniture. We fit anti-snap, TS007 3-star rated cylinders as standard where this risk exists, and we always aim to work without causing damage to the door or frame. Where door lock replacement Cambridge properties require touches to the surrounding hardware, we carry the parts on the van so the job is completed in a single visit.
Landlord and Tenant Lock Changes: Timing, Rights and Practical Steps
The legal position in England is clear: a landlord must not change the locks while a tenancy is active without the tenant's written consent — doing so constitutes an illegal eviction. Our role is to serve both sides of the arrangement legitimately. For landlords and letting agents, we carry out lock changes at the point of legal vacant possession, once keys have been returned and the tenancy has formally ended. For incoming tenants, we can attend on the day they receive the keys and change the cylinder or the whole lock set so they begin their tenancy with sole control over access to their home.
If you are an incoming tenant and your landlord has not arranged a lock change, you are entitled to request one — and you can arrange it yourself, though it is courteous to inform your landlord. We carry out tenant-instructed lock changes throughout Cambridge, and we can provide duplicate keys for the landlord's records if required. We also assist in situations where a tenancy has broken down acrimoniously and there are genuine security concerns, subject to seeing evidence of legal possession. For any urgent situation — a tenant who has not vacated, keys that have gone missing, or a lock that has been tampered with — call us on 01223 912859 and we will talk through the options with you before anyone travels out.
Out-of-Hours Call-Outs, Mobile Coverage and What Shapes Your Quote
Tenancy changeovers do not always fall neatly within office hours. A checkout on a Friday afternoon can run late; a new tenant arriving on a Sunday morning may find the keys do not work properly; a landlord discovering a damaged lock after a difficult tenancy may need help the same evening. As a 24 hour locksmith Cambridge landlords and letting agents rely on, we operate around the clock — our phone is answered at 2am on a bank holiday just as readily as at 10am on a Tuesday. We send a technician straight away and are usually with you in around 30 minutes, depending on where in Cambridge the property is.
Because every job is different, we do not publish fixed prices. The final quote depends on the type and number of locks being replaced, the door construction (timber, uPVC, composite), the grade of cylinder or lock set required, travel distance to the property, and whether the work falls outside standard weekday hours. We confirm the exact figure with you on the phone before anyone sets off, so there are no surprises when the invoice arrives. For landlords managing several Cambridge properties, we are happy to discuss how we can support a regular changeover programme — call 01223 912859 to speak to a technician directly.
Frequently asked questions
Can a landlord change the locks between tenancies without telling the new tenant first?
Yes — once a tenancy has legally ended, keys have been returned and vacant possession confirmed, a landlord or their letting agent can instruct a lock change at any time. We always ask for confirmation of legal possession before carrying out any lock change Cambridge property owners request. It is good practice to notify the incoming tenant that the locks have been changed and to hand over the new keys promptly, so they have full access from the agreed start date of their tenancy.
I am a new tenant moving into a flat in Cambridge. Can I arrange my own lock change?
You can, though it is advisable to let your landlord or letting agent know beforehand and to provide them with a spare set of keys to retain for emergency access — this is often a condition of your tenancy agreement. Our mobile team can attend on your move-in day and replace the euro cylinder on a uPVC door, or change the barrel on a Yale nightlatch and the 5-lever mortice deadlock on a traditional timber front door, so you are the only keyholder from the outset. We carry a range of cylinders and lock sets on the van, including TS007 3-star anti-snap cylinders, so the job can normally be done in a single visit.
What factors affect the price of a lock change at a tenancy handover?
Several things contribute to the final quote: the type of lock — a euro cylinder replacement on a uPVC multipoint lock is a different scope of work from replacing a full BS3621 5-lever mortice deadlock on a timber door; the number of locks on the property; whether upgraded hardware such as anti-snap cylinders is needed; the time of day or night the work takes place (evenings, weekends and bank holidays are factored in); and travel distance within the Cambridge area. We confirm an exact up-front price with you before we set off, so both landlords and tenants know precisely what to expect. There are no hidden extras added after the work is done.
How quickly can you reach a Cambridge property for an urgent lock change?
We operate as a 24 hour locksmith Cambridge wide, so we can send a trained technician at any time of day or night, including weekends and bank holidays. Once you call 01223 912859 and we have confirmed the job details and agreed the price, we set off straight away. In most parts of Cambridge we arrive in around 30 minutes, though this can vary depending on traffic and the exact location of the property. We cover all Cambridge postcode districts, including areas from the city centre out to the suburban roads around Chesterton, Cherry Hinton and Trumpington.
Is a lock change the same as changing the cylinder?
In UK practice, the term used is changing the lock or changing the cylinder. On euro cylinder locks — common on uPVC and composite doors — we replace the cylinder itself with a new one and issue a fresh set of keys; the original cylinder is then discarded or retained by the landlord. On traditional mortice deadlocks, the entire lock body is usually replaced rather than the internal mechanism, particularly where the existing lock is older or does not meet BS3621. We will advise on the most appropriate approach for the specific door when we assess it on arrival.
Do you work with letting agents managing multiple Cambridge properties?
Yes, and we are well used to fitting in with the scheduling demands of property management. We can coordinate directly with tenants or contractors for access, attend at short notice when a changeover runs to a tight timeline, and provide written confirmation of the work carried out for a landlord's or agent's records. If you manage a portfolio of Cambridge properties and want a consistent, reliable locksmith to handle tenancy lock changes as part of your standard checkout process, call us on 01223 912859 to discuss how we can support your lettings operation.