The Alzheimer’s Association and the National Institute on Aging agree on the essentials, and they’re about placement more than price. The plan below covers position, what the hardware buys you, and the one test to run before you trust any of it.
Door Locks For Dementia Patients: What Belongs On Each Door
Exterior doors take a keyed deadbolt or a second latch above or below eye level; interior doors lose their locks entirely. Alzheimer’s Association home safety guidance calls for that split, so nobody gets sealed into a bathroom or locked inside the house.
Three details decide whether the setup helps or hurts:
- Check local fire and building codes before you drill.
- Hardware out of the sight line. A deadbolt at usual hand height gets used; one well above or below eye level usually gets ignored.
- Keys where adults can find them. Every caregiver should know where the spare lives and be able to grab it in the dark.
| Door Or Exit | What To Fit | Why It Matters |
|---|---|---|
| Front and back doors | Keyed deadbolt or latch above or below eye level | Delays the exit without help from you |
| Bedroom, bathroom, basement | No lock at all | Stops a lock-in nobody can open from outside |
| Garage and side doors | Same treatment as the front door | Often the easiest way out of the house |
| Yard and pool area | Self-closing gate with a high latch | Secures outdoor space without locking the house |
| Every exterior door | Chime, bell, or door alarm | Tells you a door moved while you’re in another room |
| Hallway and bedside | Pressure-sensitive mat | Alerts you to movement before the door opens |
| Front door (optional) | Smart deadbolt with lock history | Timestamps and phone alerts you can check later |
Do High Latches And Door Alarms Actually Stop Wandering?
High latches and door alarms slow an exit and hand you a few seconds, which is the honest ceiling. No lock reliably outlasts a determined person, and the National Institute on Aging’s guidance on wandering treats hardware as one layer: keep doors locked, add a keyed deadbolt or an extra high or low lock, keep the key nearby, and install an alarm that chimes when a door opens.
In most homes the alarm does more work than the lock, because it turns a silent exit into a sound you can act on. Cheap additions help too:
- Night-lights along the hallway so a 2 a.m. trip isn’t a search in the dark.
- Knob covers or a black two-foot threshold at the door — camouflage, not security.
- Coats, bags, wallets, and keys kept out of sight near the exit.
Supervision is the layer hardware can’t replace. Lock exterior doors only while someone is home with the person, and never leave anyone with a wandering history alone — an empty house behind a locked door is the exact scenario both organizations warn about.
Comparing models gets tedious, so our tested picks for dementia-friendly door locks narrow it to the latches and alarms that held up in real homes.
What A Smart Lock Adds, And What It Can’t Do
The Schlage Encode Smart WiFi Deadbolt is the model caregivers ask about most.
Neither product documents a dementia-care mode, caregiver-only exit control, or fail-safe behavior when the battery dies, the Wi-Fi drops, or the power fails. Read the manual, check your local fire code, and keep a mechanical key in the plan — these run on batteries, and app, voice, and Home Key features all depend on a phone and a hub.
Then set it up in this order:
- Mount the deadbolt high or low, out of the person’s usual sight line.
- Remove locks from interior doors.
- Add a chime alarm to every exterior door.
- Stand inside, close the door, and open it with no key, code, or phone in hand. If that fails, start over.
- Give each caregiver a key, keep a recent photo handy, and tell a neighbor and local police about the wandering risk.
Common Questions
Should The Bedroom Door Be Locked At Night?
No. Interior locks create the one outcome you’re trying to avoid: a person who can’t get out and a caregiver who can’t get in quickly. If nighttime wandering worries you, use a door alarm or a pressure mat in the hallway instead. Those wake you without putting a barrier between the person and the rest of the house.
Where Should The Key To A High Deadbolt Be Kept?
Within reach of other adults and out of the person’s sight. A hook inside a caregiver’s bag, a high kitchen cabinet, or a key safe near the door all work. Give a copy to a trusted neighbor and make sure every caregiver knows the spot. During an emergency, seconds matter more than secrecy.
What If The Person Already Knows How To Undo The Deadbolt?
Add a second layer rather than a stronger lock: a door alarm, a bell above the door, and a knob cover. Adults in the house still need to open everything, so any addition has to stay operable from inside without a key. When someone can defeat every lock in the house, supervision and a chime are the realistic answer.
Sources
- National Institute on Aging. “Coping With Alzheimer’s Behaviors: Wandering” Recommends keyed deadbolts or extra high/low locks, nearby keys, and door alarms that chime.
- Alzheimer’s Association. “Home Safety” Explains high or low exterior latches and removing locks from interior doors.