My front door is a metal-faced timber core door (don't know what it's
called), and has a mortice sash lock. Fine in terms of security, but
not convenient. Firstly, the key is a long brass thing, which doesn't
fit in a key case very well. Secondly, if I want to secure the door
whilst someone is inside the house I have to deadlock the door and
either leave the key in the door (meaning that someone else can't come
in with a key), or take the key out of the door and hang it up nearby.

I would prefer to avoid fitting a separate nightlatch, as it will
involve another hole in the door, and the metal facing makes it
difficult. Is there a nightlatch kind of lock that will fit into the
hole made by one of these
(http://www.diy.com/diy/jsp/bq/nav/sk...kuId=9286456)?
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Hugo Nebula
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just how far from the pack have you strayed"?