If you are locked out of your house, first check for a legitimate spare key or another normal authorised entrance without forcing anything. If you cannot get in safely, call a traceable local locksmith, explain the door and lock type, and be ready to show that you are entitled to access the property. Avoid improvised entry methods that can injure you or damage the door.
At Swift Locksmiths, we know a lockout feels urgent, but a calm sequence usually produces the quickest safe result. The first question is whether there is an immediate risk to life. The second is whether there is a normal way to regain access. Only then should the focus move to professional entry and any security work needed afterwards.
Originally published: 9th January 2024 | Last updated: 1st September 2026
Locked Out? Follow This Order
- Check for immediate danger. If a child, vulnerable person, fire, gas leak or medical emergency is inside, contact the emergency services rather than treating it as an ordinary lockout.
- Check normal authorised options. Contact another occupant, landlord or trusted keyholder if appropriate.
- Do not climb or force entry. Windows, roofs and improvised tools create injury and damage risks.
- Call a local locksmith. Give clear details about the door, key and fault.
- Be ready to show authority. A professional may ask reasonable questions or evidence before giving access.
- Review security afterwards. Lost or stolen keys may justify changing the affected lock even if entry is achieved without damage.
1. Check Whether It Is a Safety Emergency
A normal lockout is inconvenient. A situation involving fire, smoke, a child alone, a vulnerable person in immediate danger or another life-safety emergency is different. If there is immediate risk, call 999 and explain the situation. Do not delay urgent help while comparing locksmith quotes.
2. Use Legitimate Spare-Key Options
Another household member, trusted family member, neighbour, landlord or managing agent may hold a spare key. For rented or managed property, use the proper contact route rather than forcing access or damaging shared doors.
If a smart lock is fitted, use the manufacturer's normal account-recovery or authorised remote-access feature if it is available to you. Do not share administrator passwords with unknown third parties.
3. Check Normal Entrances Without Creating a Security Problem
You can check whether another door you are authorised to use is already unlocked, but we do not recommend trying windows, letterboxes, improvised cards, wires or climbing methods. Those approaches can cause injury, break glazing, damage seals or turn a simple lockout into an expensive repair.
Avoid Internet "Lockout Tricks"
Generic bypass advice often assumes a particular lock and can damage modern multipoint doors, security cylinders or frames. It can also create obvious security risks if copied by the wrong person. Professional entry should be chosen for the actual lock and door.
4. Tell the Locksmith Exactly What Happened
| Question | Why we ask | Example answer |
|---|---|---|
| What type of door is it? | It helps identify likely lock systems and parts. | uPVC front door, timber flat door, composite side door. |
| Is the key lost, inside, snapped or present? | Different symptoms point to different faults. | Keys are on the hall table; lock was working normally. |
| Does the handle feel normal? | A failed gearbox or handle can change the job from simple entry to repair. | Handle is floppy and the key will not turn. |
| Has the lock been stiff recently? | Gradual stiffness often suggests wear or alignment rather than a pure lockout. | It has needed lifting for two weeks. |
| Is the property currently secure? | A door that cannot lock after entry may need immediate repair. | We are outside but all other doors are secure. |
| Can you show authority? | Locksmiths need a reasonable basis for granting access. | ID, tenancy information, neighbour/landlord confirmation as appropriate. |
5. What a Professional Locksmith Does
The professional objective is to regain authorised access with the least reasonable damage, then determine whether the lock remains serviceable. The exact technique depends on the door and lock, so we keep opening methods high level rather than publishing instructions that could be misused.
If the lock itself has failed, access may be only the first stage. The door then needs repair or replacement hardware before the property is secure again.
6. Lost Keys Versus Keys Locked Inside
If the key is visible inside the property and you know exactly where it is, the main problem may simply be access. If keys are genuinely lost in public or stolen, there is a separate key-control question: could someone connect those keys to your address or property?
Where the risk is meaningful, changing the affected cylinder or lock can be sensible even if the old lock still functions perfectly.
7. Rented Homes and Shared Buildings
Tenants should contact the landlord, letting agent or emergency management line when that is the agreed route, especially for communal doors or access-control systems. Do not authorise alterations to shared fire or security doors without the right permission.
8. What Will It Cost?
The cost depends on time, travel, lock type, whether the lock is healthy, and whether replacement parts are needed. Ask what the estimate includes and whether out-of-hours pricing applies. Very low headline prices should be treated cautiously if the company will not explain the likely final scope.
9. Avoiding Rogue Locksmiths
The Master Locksmiths Association warns consumers about bait-and-switch adverts that use low headline prices and then increase the total dramatically on site. Look for a traceable business, clear contact details, a willingness to discuss the lock and a sensible explanation if destructive work becomes necessary.
Source: Master Locksmiths Association, current consumer guidance on rogue locksmiths and bait-and-switch pricing.
10. How to Reduce the Chance of Another Lockout
Practical Prevention
- Keep a spare key with a genuinely trusted person where appropriate.
- Use a properly installed secure key safe only if it suits the household risk.
- Replace badly worn keys before they snap.
- Repair stiff locks and dropping doors instead of forcing them.
- If you use a smart lock, know the battery and account-recovery process.
- Avoid leaving keys in obvious outdoor hiding places.
- Review access after lost or stolen keys.
When to Change the Lock After a Lockout
You do not automatically need a new lock every time. If the lock is healthy and the key was simply left inside, replacement may add no security value. If the key is lost or stolen, the cylinder is damaged, the lock has been forced or the mechanism is unreliable, replacement may be proportionate.
Our emergency locksmith and lock-repair services cover domestic lockouts, failed uPVC mechanisms and lock replacement. You can learn more about our local team or contact Swift Locksmiths for help.
What to Do After You Are Back Inside
First test the door gently while it is open and closed. If the handle, latch or key now feels different, do not assume the job is finished. A lockout can expose an existing fault that needs repair before the door can be trusted overnight.
Second, account for the keys. If a set was lost, decide whether the risk justifies changing the lock. If a spare key was used, return it to its agreed secure location rather than leaving it somewhere convenient but exposed.
Third, keep the locksmith invoice and any replacement specification. That record is useful if the same door develops another fault or if you later review home security.
Locked Out in Epsom or Nearby?
Call Swift Locksmiths on 01372 632 073 and tell us what type of door and lock you have.
Contact Swift Locksmiths or call 01372 632 073.