"NY" wrote in message
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"Thomas Prufer" wrote in message
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On Fri, 9 Oct 2020 09:42:13 +0100, Roland Perry
wrote:

I've got some Euro locks on external doors, but people keep locking them
and leaving the key on the inside. This means I can't put a key fully in
from the outside to unlock it.

Is this a bug or a feature?

Feature.

This can be changed by a locksmith in the more expensive cylinders, i.e.
Kaba,
Keso etc.

It would have been better if those locks had been designed so you *can*
put a key in from the outside and open the door, while still leaving a
second key in the inside lock in case you need to exit in an emergency.
They could have a slide-latch which disables opening from the outside if
required for extra security when you know that everyone who lives in the
house is safely inside.

or just install one with a thumb turn on the inside

there's no need to have a key-lockable lock on the inside