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Person holding two lock cylinders beside an open painted door, with loose hardware and debris on the sill. — Seized & Jammed Lock Opening, London

Emergency Lockouts · London

Seized & Jammed Lock Opening

It is the coldest morning of the winter and the key goes halfway into the side door and stops. There is frost on the face of the cylinder, and the door on the shaded side of the house has done this before.

Call now · open 24/7(226) 777-6122

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In plain words

A lock rarely seizes without warning. It asks for a wiggle, then a firmer wiggle, then it needs the door pulled toward you, and one morning it stops. Seized and jammed lock opening deals with that morning, but the same visit deals with the months before it. The locksmith explains why this lock jammed, whether it was grit, weather, a worn key or a door that moved, and leaves you with a lubrication routine, a fresh key cut from code rather than from a tired copy, and a door that closes without a shove. The point is a lock that turns with two fingers and keeps doing so.

Sound familiar?

The key turns a full circle without any resistance and the deadbolt stays exactly where it is. There is no click, nothing moves behind the face of the lock, and the door is as closed as it was before you touched it.

How the visit goes

Seized & Jammed Lock Opening · London

How the visit goes

Double glass doors in metal frames with a horizontal push bar, beside a brick wall, with a parking lot and trees outside.
  1. 1

    Whose door, and which door

    The first check is the person, not the lock. The locksmith confirms that whoever is asking for the opening is entitled to it, usually with photo identification that matches the address, or a lease, deed, property-management record or a manager who can vouch for you. For a business, a key holder or the person named on the lease is enough. If everything that proves it is behind the jammed door, the check is finished once you are inside and before the locksmith leaves. Then a short walk to the other entrances: a second door on the same key gives a comparison lock and sometimes a gentler way in.

  2. 2

    Thawing ice and clearing salt

    Ice is melted, never chipped. A lock de-icer or gentle warmth on the cylinder face turns the frozen meltwater back to liquid so it can drain, and the key is then worked until the plug turns. Boiling water is kept well away, because it refreezes inside and can crack cold brass. Salt crust is flushed out with contact cleaner and the plug is dried thoroughly before any lubricant goes in, since salt and moisture sealed under lubricant keep corroding. The cylinder is then dressed with the lubricant specified for that product, applied once everything is dry. If the weatherstrip has frozen to the door, that bond is released and the seal wiped.

  3. 3

    For a business: a door the staff can rely on

    On a commercial door the handover includes the people who use it. Whoever opens in the morning is shown how the lever, key and cylinder now behave, and the exit side is demonstrated so everyone knows the door opens from inside with one motion. If the mortise case was serviced, the parts that were replaced are named so a future locksmith knows what is in there. A note of which keys were tested and who holds them supports whatever key control the business runs. Spare keys are checked in the lock before they go back in the safe.

In the van

  • Replacement tailpiece or cam
  • Dry PTFE or graphite lock lubricant
  • Replacement cylinder
  • Mortise case spring and hub
  • Penetrating lubricant

What affects the quote

  1. 1

    Signs of an earlier struggle

    A key snapped in the plug, a twisted cylinder or a bent latch from a screwdriver adds an extraction or a repair to the opening, and the locksmith points that out before quoting it.

  2. 2

    Matching finish and keyway

    A replacement that has to match an unusual finish or a restricted keyway takes a specific part rather than a stock one, and the quote reflects the part.

  3. 3

    Service or replace the cylinder

    A cylinder that can be stripped, cleaned and rebuilt is quoted as labour with a few small parts; one corroded through is quoted with a replacement cylinder matched to your finish and keyway.

Same fees day, night or weekend.

Have it ready

Before you call · 0 / 3

(226) 777-6122

Seized & Jammed Lock Opening: questions

Advice · (226) 777-6122

Will I need a whole new lock?

Usually not. Most jammed locks are saved by cleaning the cylinder, fitting a small part such as a tailpiece or spring, or adjusting the door so the bolt has room. A new cylinder is fitted when the plug or shell is corroded through or twisted by forcing, matched to your finish and, where possible, pinned to your current key. A complete new lockset is usually a choice you make rather than a requirement, though some internal failures cannot be serviced in place and call for a full replacement.

Why is it always the shaded side of the building that seizes?

The face of a building that never sees direct sun stays colder and damper, so ice in a keyway lasts days longer there and condensation sits in the cylinder rather than drying off. Wind-driven rain and snow tend to hit the same face. Those doors deserve a keyhole cover, a storm door where one fits, and a lubricant check before the season turns, and they are often the first lock a locksmith asks about.

Can an old mortise lock in a century home be serviced rather than replaced?

Often, and keeping the original hardware is usually worth trying first, since it fits the door and suits the house, though condition and the availability of matching parts decide whether a repair is realistic. The case comes out of the door edge, the decades of dust and hardened grease are cleaned away, a broken spring or worn hub is replaced with a matching part, and the contact surfaces get fresh grease. If a bit key or a cylinder has worn, a new key is cut or the cylinder rebuilt.

Middlesex, Ontario

London information

Town
London, Middlesex, Ontario
In business
23 years
Hours
Open 24/7 · nights, weekends and holidays, same fees
Visits
On-site assessment preferred. Request a visit or call.

What the census means at the door

52%

Older homes. About 52% of homes in London were built in 1980 or earlier, according to the 2021 Census.

Period hardware on older homes deserves matching parts, not a mismatched modern set. A locksmith who works among such houses keeps finishes and styles that suit them, so a repaired or replaced lock still looks like it belongs to the door.

49%

A mix of homes. Single-detached houses make up about 49% of homes in London (2021 Census).

Mixed housing means a locksmith sees a bungalow in the morning and a condo tower in the afternoon. The stocked van has house-door deadbolts, suite-door cylinders and the finishes for each, so neither kind of customer waits for a second visit.

Source: Statistics Canada, 2021 Census of Population

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Request a visit

It is the coldest morning of the winter and the key goes halfway into the side door and stops.

Call now · open 24/7(226) 777-6122
  • On-site assessment preferred
  • Same fees day, night or weekend
  • 23 years in business