Handlesets are not sold as pairs for double doors.
Do i need two locks on front door.
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However if you have double locks on your door it actually makes more sense to keep your windows closed and secure as well.
Compare your doors to the images below for instructions on what to order.
Locks happen to break although that s quite rare.
The added security that you will get from installing two locks will only depend on the quality of the locks used and how properly they have been installed.
You will need a left handed lh lock.
If the hinges are on the left you have a left handed door.
Different brand locks and various lock types it is not always possible for locksmiths to re key all locks in a home to accept the same key if the locks are of various brands and types.
If one of the locks starts malfunctioning you can just stop using it and use the other one until you fix the first one.
Install high quality brands.
You will need a right handed rh lock.
The best lock for a wooden door is a lock that meets the requirement of bs3621 the type of lock fitted can be a night latch mortice deadlock or mortice sash lock.
The convenience of having a single key fit all the locks on your house including the garage can be accomplished by rekeying as long as you have the same brand of locks on all the doors.
You can just pick up your phone and check.
A non tested night latch can be used for access but it must be supported with a tested lock so you would have two locks on the door.
When each of your locks is keyed different a lost key results in the need to re key only one lock the one that s associated with the lost key.
If you have a double door you will need to order two handlesets.
One for the active side and one for the inactive side.
It s quite useful to have two locks in the door separating the house apartment from the surrounding world but use just one of them.