Door Opening
Locked out, lost key or jammed lock? Our locksmith arrives subject to availability confirmed by phone.
Learn more — Door Opening
Janssens Serrurier
Brussels, Walloon & Flemish Brabant
Locked out? Lost key? We confirm availability, arrival time and price by phone before dispatch. Registered company.
Appropriate method
Price before dispatch
Registered company
Emergency situation?
24/7
Available 24/7
BCE
Registered company
4
Site languages
Who is Janssens Serrurier?
Janssens Serrurier is the locksmith brand operated by LAMRO GROUP. The official domain is janssensserrurier.be.
Official domain
The official website of Janssens Serrurier is janssensserrurier.be. This is the address to use for our services, guides and contact details.
Registered company
LAMRO GROUP is registered in Belgium under VAT/BCE number BE0712.625.742.
Coverage area
Brussels, Walloon Brabant, Flemish Brabant and the German-speaking Community. Available 24/7.
Site languages
The website is available in French, Dutch, English and German with dedicated pages.
Coverage area
Brussels, Walloon Brabant, Flemish Brabant and the German-speaking Community. Available 24/7.
Registered company
VAT BE0712.625.742
Locked out? Lost or broken key?
A qualified locksmith arrives at your place subject to availability confirmed by phone.
Why Janssens?
Why trust us?
We handle requests from individuals, businesses and institutions in Brussels and Brabant. Our service is built on three commitments.
Speed
Arrival timing confirmed by phone, 24/7, including holidays.
Expertise
Experienced technicians, professional equipment, careful work with non-destructive methods when the mechanism allows.
Transparency
Price quoted before intervention. No surprises. Payment only after service.
Professional locksmith solutions
Fast and careful interventions for all your security needs
Metal Shutter
Unblocking, repair and replacement of commercial metal shutters. Locks and bolts, 24/7 emergency.
Learn more — Metal ShutterCylinder Replacement
Replace your lock cylinder: standard or high-security barrel, with ownership card. On site, all brands.
Learn more — Cylinder ReplacementLock Replacement
Installation and replacement of high-security locks. All brands.
Learn more — Lock ReplacementSecurity Keys
Complete catalog of security keys. 26 brands available: ABUS, DOM, EVVA, Mul-T-Lock.
Learn more — Security KeysKey Duplication
Key duplication in Brussels and Brabant. Copy house keys, building keys, mailbox keys, car keys.
Learn more — Key DuplicationDoor Reinforcement
Reinforcement of existing doors. Anti-burglary protection.
Learn more — Door ReinforcementSafe
Opening, installation and repair of safes.
Learn more — SafeNuki Lock
Nuki smart lock installation and setup. Open your door with your smartphone. Compatible with HomeKit, Alexa, Google Home.
Learn more — Nuki LockAirbnb Lock
Smart lock for short-term rentals. Self check-in, temporary codes per guest, remote management.
Learn more — Airbnb LockAre you in our zone?
Check in 1 second if we come to you
Type your postal code or city name
Our main zones:
Priority cities
Other provinces — availability to confirm
We work with the best brands
To protect you, we use locks and cylinders from the most reliable brands on the market
Frequently asked questions
What is the official website of Janssens Serrurier?
The official website of Janssens Serrurier is janssensserrurier.be. It lists our services, coverage areas, guides and official contact details.
Is Janssens Serrurier a registered company in Belgium?
Yes. Janssens Serrurier is operated by LAMRO GROUP, a company registered in Belgium under VAT/BCE number BE0712.625.742. We always issue an official invoice.
What is the difference between a standard and high-security lock?
A high-security lock offers better protection against break-ins through reinforced mechanisms, anti-picking and anti-drilling cylinders. It is recommended for front doors.
What are your intervention hours?
We are available 24/7, including public holidays. An emergency doesn't wait, and neither do we.
How do I know if my lock needs to be replaced?
If your lock is difficult to open, squeaks, shows signs of wear, or no longer properly secures your door, it's time to replace it. We can perform a free diagnosis.
Do you work on all lock brands?
Yes, our technicians are trained to work on all brands and types of locks on the market: Vachette, Bricard, Fichet, Yale, Abus, and many more.
Can you open armored doors?
Yes. We adapt the method to the mechanism and prefer non-destructive opening whenever its condition allows.
How much does a night locksmith cost in Brussels?
Travel, labour, parts and night surcharges are itemised in a written quote before the job. Call 0495 205 400, then receive it by WhatsApp or email.
How to open a locked door without a key?
Do not force it: you may damage the lock. A locksmith can assess the mechanism and prefer a non-destructive method whenever its condition allows.
Which locksmith to call for emergencies in Uccle, Ixelles or Waterloo?
Janssens Serrurier serves Uccle, Ixelles, Waterloo, Brussels and Brabant. Call 0495 205 400 to confirm availability and timing in writing from the nearest available technician.
Lock change after burglary: what to do?
After a burglary, first call the police then contact Janssens Serrurier at 0495 205 400. We respond urgently to secure your home with a certified high-security lock.
Locksmith advice
Find our practical guides to learn everything about locksmithing
Locked Out: What to Do?
Avoid Locksmith Scams
Choosing a Security Lock
After a Burglary: What to Do?
Locksmith Price in Brussels
Who Pays the Locksmith: Tenant or Owner?
Smart Lock: Is It Worth It?
Insurance & Locks: What Your Insurer Requires
Broken Key in the Lock: What to Do?
A2P Certification: Understanding the Stars
Locksmith Quotes: Understand and Compare
Mailbox Lock: Key Copy and Replacement
Moving: Should You Change the Locks?
Burglary prevention: measures that actually work
Multipoint lock: how it works, should you install one?
Lock won't turn: causes and solutions
Broken or damaged cylinder: what to do?
Door won't lock: diagnosis and solutions
The 7 weak points of a front door
What our customers say
A selection of Google reviews from customers in Brussels and Brabant.
★★★★★
I'm very satisfied! Exceptional work, fast and good customer service! Highly recommended!
★★★★★
Fast service, very helpful and managed to get my door open.
★★★★★
Great service. Very friendly staff. Efficient and fast. Highly recommended.
★★★★★
Great service! Many thanks for the excellent work!
Contact
Need a locksmith?
Call us directly or send a message. We respond within minutes.
Locksmith in Brussels and Brabant: How an Intervention Works
A locksmith call-out should never be a black box. From your first call, we ask the right questions: type of door, type of lock, door simply slammed shut or locked with a key. This initial phone diagnosis lets us announce a clear price range before we set off — no surprise on arrival, no extra charge discovered along the way. Our guide to locksmith prices in Brussels explains in detail how an honest rate is built, and our guide to avoiding locksmith scams gives you the right reflexes against the sector's dubious practices.
On site, we always choose the least invasive suitable method. When the condition of the door and lock allows, a door opening is performed by bypass or lock picking so the lock remains usable. Drilling the cylinder is a last resort for mechanisms too damaged to save; replacement is discussed and priced before work continues.
Locked Out, Lost Key, Jammed Lock: The Everyday Emergencies
Being locked out behind a slammed door remains by far the most frequent intervention in Brussels: a draught, a handle with no key, and there you are on the landing. Then come the jammed lock caused by wear or frost, a cylinder that turns without opening, and securing your home after a burglary, when the door must close again that same evening. All these situations are covered 24/7, weekends and public holidays included, with the price confirmed before dispatch.
Once the emergency is over, the right question is prevention: a certified cylinder, a multipoint lock, or full door reinforcement for the most exposed situations. Our guides on choosing a security lock and burglary prevention help you see clearly before deciding.
A Coverage Area We Know Municipality by Municipality
Our core zone is Brussels-Capital and its 19 municipalities: from City of Brussels to Anderlecht, from Ixelles to Uccle, via Molenbeek-Saint-Jean and Schaerbeek — each with its own door types, buildings and locks. The announced availability-based response time applies across this whole zone, day and night.
Around the capital, we cover Flemish Brabant — notably Meise, Vilvoorde, Halle, Leuven, Zaventem and Tienen — as well as Walloon Brabant, from Wavre to Nivelles. Our technicians work in English, French and Dutch, and every intervention comes with a proper invoice — useful for your insurance as well as your landlord.
Beyond Brabant, we also cover the other provinces: the province of Namur, Hainaut and the province of Liège, all the way to German-speaking Ostbelgien.