SERRURIER PARIS Serrurier à Paris
serrurier sur Paris / banlieue, ouverture de porte
dépannage serrurerie, réparation et installation de
porte blindée et serrure haute sécurité
01 40 26 46 41
Serrurerie Paris IDF
Ouverture de porte
Réparation et Installation
Prix annoncé avant d'intervenir
Paris et Île-de-France

Changing a lock or cylinder in Paris

You moved in last week and have no idea who else holds a key. Or the old lock sticks, or the landlord only gave you one copy. Whatever the reason, changing a lock is quick, and choosing the right one matters more than most people think.

Cylinder or whole lock?

A French door lock has two parts. The cylinder is the small barrel where the key goes in. The lock body sits inside the door and holds the bolts. Very often only the cylinder needs replacing: it takes a few minutes, the door stays as it is, and the cost is modest. You change the whole lock when the body is damaged, when the door has a poor old mechanism, or when you want real protection.

What A2P means

You will see A2P stamped on better cylinders and locks, with one, two or three stars. It is a French certification that rates how long a lock resists attack. One star is a decent basic level. Two stars suit most flats. Three stars is for places where the risk is higher. Insurers in France often ask for a certified lock, so check your policy before you buy.

The 3-point lock

A 3-point lock shoots bolts into the door frame at the top, the middle and the bottom. The door cannot be levered at one corner the way an ordinary one can. It is the usual answer for a ground-floor flat or a door that gets a lot of use. A 3-point lock should not be picked at random. We look at your door, then offer two models, not ten, and explain why we think one fits better.

Rented flats

If you rent, check your lease and speak to the landlord. Often the tenant can change the cylinder but must keep the old one or hand over a key. We can give you an invoice that spells out what was done. Keep it with the lease.

How a visit goes

  1. You tell us about the door by phone, and send a photo if you can.
  2. We give you the call-out price, from €90, before coming.
  3. On site we look at the cylinder length and the lock type, then tell you the final price.
  4. You say yes or no. If yes, we fit it and test every key with you.

Good to know

A cylinder that is too long or too short is a weakness, since a long one sticks out and can be snapped. We measure rather than guess. And please never accept a lock with no brand and no invoice, however low the price.

For doors that need more than a new lock, read about armoured doors and reinforcement. If you are stuck outside right now, start here. Back to the English home page.


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