Can I have the same key for every door in my home?

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Yes. It is called keying alike: every door is fitted with cylinders that open with the same key.

It is very handy in homes with several entrances, which is very normal around here: the front door, the patio door, the terrace door, the door from the garage into the house or the storeroom door. Instead of a bunch of keys, just one.

To do it, the locks have to take a European cylinder. If a door has an old lever lock, it can be converted to a cylinder first.

And it does not have to come at the expense of security: security cylinders can be keyed alike. If what you want is for each person to open only some doors, that is something else, a master key system. It is all in keyed alike cylinders.

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Keyed alike cylinders

Keyed alike cylinders so that one key opens several doors in your home, bungalow or business, without changing the locks.

Related terms

Other questions on this topic

How long does it take to change a lock cylinder?

It is one of a locksmith’s quickest jobs if the size is standard and the lock is fine. It takes longer if something needs adjusting or the size is unusual. Read the full answer

What is a key registration card?

It is the card that comes with many security cylinders and has to be shown to order copies of the key. Without it, the key cannot be duplicated. Read the full answer

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Lock cylinders

Everything people usually ask about the lock cylinder: when to change it, how to measure it, what protection it has and how to look after it on the coast.

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