Does such a lock exist?

[Traveller]

Hi all.

I am looking for a lock for a normal width internal bedroom door (35mm) that can be locked from both sides, either both sides need a key or the inside could have a thumb turn. I would also prefer it to use a Yale type key and not one of these. I do not want a Yale type lock due to the annoyance of closing the door with the key inside!

Does such a lock exist? If so, what is it called?

My research has thrown up 'single cylinder deadbolt lock'. Are these available for doors that are 35mm thick?

I have also found 'thumbturn Euro cylinder', but is it correct that these are not available for doors that are 35mm thick?

Thanks.

 

[robinbanks]

How far may a euro cylinder stick out of your door before you're unhappy with the finish/end result?

 

[Traveller]

I'm not sure, but I don't think that much. What is the smallest available?

 

[crank39]

30/30 and upwards at 5mm increments is the smallest I've seen but a Google shows you can go as small as 20/20 though not with a thumb turn.

If your door is 35mm, half that = 17mm plus the thickness of the handle back plate of say 10mm ish = 27mm so a 30/30 should be fine

 

[Traveller]

Thanks, looks like something like that would be suitable. Both replies relate to a euro cylinder, is a single cylinder deadbolt lock unsuitable for any reason?

 

[crank39]

Sorry I misunderstood, having googled the lock then I'd say it would most defo be suitable, from the ones I saw they said 35mm to 50mm thick doors

 

[JohnD]

Thanks, looks like something like that would be suitable. Both replies relate to a euro cylinder, is a single cylinder deadbolt lock unsuitable for any reason?

You need a thumbturn on the inside so the occupants can escape in an emergency, or if locked in accidentally or maliciously.

 

[foxhole]

Combination lock?

 

[crank39]

You need a thumbturn on the inside so the occupants can escape in an emergency, or if locked in accidentally or maliciously.

Why? Is there a law that says you can't have locks on internal doors or ones that require thumbturns?