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Fix SoonCommon in JanRecommended trade: Locksmith

Door Lock Stiff to Turn

The key is increasingly difficult to turn in the lock, requiring more force each time.

What Is Causing This?

  • 1Dirt, dust, or debris inside the lock mechanism
  • 2Misalignment between the lock and the strike plate
  • 3Internal lock components wearing out

How Urgent Is This?

Fix Soon

This should be fixed in the coming weeks. Leaving it may allow the problem to worsen and cost more to repair.

What Needs to Be Done

A locksmith will clean and lubricate the mechanism, realign the door and strike plate if needed, or replace the lock barrel if it is worn beyond repair.

How Much Will It Cost?

£114 – £417

National average estimate

Labour: £77 – £207 | Materials: £37 – £210

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Prices are estimates based on typical UK rates. Actual costs depend on the specific issue, accessibility, and your location. All quotes from tradespeople on Tradesfolk are completely free.

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How to Prevent This

Lubricate your door locks annually with graphite powder. Adjust the strike plate if the door frame shifts with seasonal movement.

Related Problems

Other Locksmith Problems

Frequently Asked Questions

What causes door lock stiff to turn?
Dirt, dust, or debris inside the lock mechanism. Misalignment between the lock and the strike plate. Internal lock components wearing out.
Is door lock stiff to turn serious?
This should be fixed in the coming weeks. Leaving it may allow the problem to worsen and cost more to repair.
How much does it cost to fix door lock stiff to turn?
Our illustrative trade-wide planning range is £114 to £417 and is not a diagnosis-specific quote. The actual repair may fall outside this range. Get a free quote from a local locksmith on Tradesfolk.

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