Kentish Town Locksmiths Service Team
Local locksmith team
16 Sep 2026 10 min read
Few questions cause more friction between tenants and landlords than this one: who actually has the right to change the locks on a rented home, and when? Whether you have just moved into a flat on Leighton Road, you are a landlord preparing a property for new tenants near Kentish Town tube station, or you are caught in a dispute mid-tenancy, knowing your legal position can save you a great deal of stress — and potentially keep you on the right side of the law.
This guide sets out the rules clearly, explains how a lock change on a rented property usually works in practice, and covers the most common scenarios we deal with here at Kentish Town Locksmiths. We are a 24/7 mobile locksmith team serving Kentish Town and the surrounding areas of north London, and tenancy-related lock changes make up a significant part of the work we carry out every week.
## Can a Landlord Change the Locks? The Legal Position in England
In England, a landlord cannot legally change the locks on a rented property while a tenancy is in place unless the tenant has explicitly agreed to it in writing. Doing so without consent — even if the tenant is in rent arrears — is considered illegal eviction under the Protection from Eviction Act 1977. The consequences are serious: a landlord who changes the lock without following the proper legal process can face an unlimited fine and even a custodial sentence. The correct route is always through the courts, via a formal possession order, before any locks are touched.
The only situation in which a landlord may change the lock without a court order is after a tenancy has legally ended and the tenant has vacated and returned all keys. Even then, it is best practice to have written confirmation that the property has been handed back before instructing a locksmith. If there is any doubt at all about whether the tenancy has ended, the landlord should seek legal advice first. We will always ask for reasonable evidence of ownership or authority before carrying out any lock change on a rented property — this protects both parties and is standard practice for any responsible, experienced locksmith team.
## When a Tenant Can Change the Lock — and What to Do About Keys
Tenants often ask whether they are allowed to change the lock on their own front door. The answer depends almost entirely on what the tenancy agreement says. Many agreements include a clause requiring the tenant to get written permission from the landlord before making any alterations to the property, and a lock change usually falls within that definition. Breaking that clause could put a tenant in breach of their agreement, potentially affecting their deposit.
That said, there are circumstances — particularly involving domestic abuse or a genuine safety concern — where a tenant may have the right to change the lock without prior permission, and local councils can sometimes assist in these cases. In all other situations, the sensible approach is to contact the letting agent or landlord in writing, ask for permission, and then instruct a professional locksmith to carry out the work. If permission is granted, the tenant should provide a copy of the new key to the landlord, as the landlord retains a legal right of access for inspections and repairs (with proper notice). Our team can carry out a door lock replacement London tenants and landlords both feel comfortable with — we work calmly and professionally in what can sometimes be a tense situation.
## How Lock Changes Work at the End of a Tenancy — a Practical Walkthrough
The end of a tenancy is the most common point at which a landlord will want to change the lock or the cylinder, and rightly so. Even if previous tenants were entirely trustworthy, there is no way to know how many copies of the key were made over the course of the tenancy or who holds them. Changing the euro cylinder or the mortice deadlock mechanism is a straightforward way to protect the new tenant's security from day one.
In practice, the process works like this: once the outgoing tenant has vacated and returned all keys, the landlord or letting agent contacts us to book a lock change. We attend the property, assess the existing locks, and recommend the most suitable replacement. Many north London properties — including purpose-built flats and converted Victorian terraces common in NW5 — have a Yale-type nightlatch on the front door alongside a 5-lever mortice deadlock. Insurers frequently require the mortice deadlock to meet BS3621, so if it does not, this is a good moment to upgrade. For uPVC and composite front doors, the euro cylinder is the component that gets swapped out; we always recommend anti-snap, TS007 3-star rated cylinders because euro cylinder snapping remains one of the most common methods of forced entry in London. The price of the work depends on the type of locks fitted, the number of doors, any parts required, and the time of day — we confirm an exact, up-front quote before any work begins, so there are no surprises.
## Lock Change London: Choosing the Right Locks for a Rental Property
For landlords managing rental properties around Kentish Town, Tufnell Park, and Gospel Oak, choosing the right locks is both a legal and commercial decision. A well-secured property is easier to let, keeps tenants safer, and reduces the risk of a costly insurance claim. As experienced locksmiths who carry out lock change London work day and night, we see the full range of lock quality in the area — from ageing 3-lever mortice locks that offer very little resistance to forced entry, through to modern multipoint locking systems on uPVC doors that, when fitted with the right cylinder, provide excellent security.
If you are unsure whether a property's existing locks meet insurance requirements or current security standards, we are happy to assess them and give straightforward advice. We can install a mortice deadlock to BS3621, replace a damaged or worn euro cylinder with an anti-snap alternative, or repair a faulty uPVC door lock mechanism — all work that tenants regularly ask about and that landlords often overlook between tenancies. Can a locksmith install a deadlock? Yes, absolutely — fitting and upgrading mortice deadlocks is one of the most routine jobs we carry out. If you would like to discuss the security of a rental property before new tenants move in, call us on 020 7871 7825. We are available around the clock.
Some properties also have combination or keypad locks fitted to communal entrance doors or secondary access points. If you need to know how to change the code on a door lock of this type, the process varies by manufacturer — a Honeywell electronic lock, for instance, follows a specific sequence accessed through the keypad itself. For keypad or combination locks fitted to main entry doors, we recommend having a professional check the mechanism at each tenancy change, since wear and inconsistent programming are common issues we see in converted blocks of flats.
## Locked Out London: What Happens if a Lock Change Goes Wrong
Occasionally, things do not go to plan. A new lock is fitted, a key is not handed over in time, or a tenant returns to find they cannot get back into their own home. These situations happen, and when they do, speed and calm matter. If you find yourself locked out London-wide, the first step is always to check whether a spare key is held by the letting agent, a trusted neighbour, or a family member. If that is not possible, contact your landlord or managing agent — they may be able to arrange access.
If access cannot be arranged through those channels, an experienced 24 hour locksmith London can help. We carry out non-destructive entry where possible, meaning we work to open the door without damaging the lock or the frame, and then assess whether the lock needs to be replaced or repaired. We will always ask for proof that you are entitled to access the property — a tenancy agreement, a utility bill in your name, or similar — before we begin. This is for your protection as much as ours. As an emergency locksmith London team, we aim to be with you in around 30 minutes of your call, any time of the day or night, including evenings, weekends and bank holidays. If you are in that situation right now, call 020 7871 7825 — we answer 24/7.
Frequently asked questions
Can a landlord change the locks without telling me?+
No. In England, changing the locks on a rented property without the tenant's consent while a tenancy is active is an unlawful act under the Protection from Eviction Act 1977, regardless of whether rent is owed. The landlord must obtain a court possession order and the tenant must have vacated the property before any locks are changed. If a landlord has changed your locks without warning, contact your local council's housing team immediately and seek legal advice.
How do I change the code on my door lock or keypad entry system?+
The process for how to change the code on a door lock depends on the specific make and model fitted. For a Honeywell door lock, you typically access the programming mode by holding a dedicated button while entering the existing master code, then following the prompts to enter and confirm a new code — but the exact sequence varies between models, so always refer to the manufacturer's guide. For combination locks on secondary doors or communal entrances, how to change the code on a combination lock usually involves pressing a reset pin or lever and then setting the new digits while the mechanism is open. If the lock is not responding correctly, is worn, or the instructions have been lost, our team can help — we work with a wide range of electronic and mechanical lock types across the Kentish Town area.
Does a locksmith need proof of residency before changing a lock?+
Any responsible, experienced locksmith should ask for some form of evidence that you have the right to access or alter the property before carrying out a lock change or gaining entry. This might be a tenancy agreement, a recent utility bill addressed to you at the property, a letter from your letting agent, or proof of ownership. We always carry out this check — it protects tenants from unauthorised access and protects landlords from rogue entry. If you are a landlord instructing us to change a lock, we will want confirmation that the tenancy has ended and the property has been vacated.
What type of lock should a landlord fit between tenancies?+
For most north London properties, the ideal setup is a 5-lever mortice deadlock rated to BS3621 (a common insurer requirement) on the front door, paired with a Yale-type nightlatch. If the front door is uPVC or composite, the euro cylinder should be replaced with an anti-snap, TS007 3-star rated cylinder at every tenancy change — euro cylinder snapping is a well-documented and unfortunately common method of forced entry in London. For back doors and French doors, we assess the existing hardware and advise on the most practical and secure replacement. The right choice depends on the door type, age of the frame, and what the insurer specifies — we give clear, honest recommendations before any work is agreed.
