Can a broken lock be repaired?

Often, yes. The sensible option depends on what has failed: a lock may need maintenance, adjustment, a replacement component, or full replacement.

How do I know whether my lock needs repair or replacement?

A locksmith should test the lock and door, identify the faulty component, then explain whether a practical repair or replacement makes more sense. Lock Replacement Dublin .

Why is my key suddenly difficult to turn?

Possible causes include cylinder wear, contamination, a worn key, internal wear or pressure from door alignment.

Why does my lock work when the door is open but not when it is closed?

This commonly suggests that the latch or bolt is meeting resistance at the keep in the frame, rather than a failure inside the lock.

Can you repair a mortice lock?

Yes. Mortice lock problems may involve the lock case, latch, bolt, key operation or alignment with the keep.

Can you repair a Yale or night latch?

Yes. Sticky latches, outside cylinders, snibs, handles and alignment can often be assessed as separate components.

Does a stiff lock just need lubricant?

Not always. Lubrication can help in some cases, but stiffness can also come from alignment, wear, a damaged key or a developing mechanical fault.

Can you remove a broken key without replacing the lock?

Often it is possible to remove the broken piece without damaging the lock. The cause of the break should then be checked.

Can you repair UPVC door locks?

Yes. UPVC and composite doors use multipoint systems that need their own diagnosis. See our UPVC Door Lock Repair Dublin service for more detail.

Will you tell me the price before repairing the lock?

Yes. The required work and fixed price are agreed before the repair begins.

Do I pay if I decide not to have the repair done?

No. There is no call-out charge if you decide not to proceed after inspection.

Lock Repair Dublin - Diagnose Before Replacing

Lock repair

A Lock Problem Doesn't Always Mean You Need a New Lock

When a lock stops working properly, replacement is only one possible solution.

A stiff key, a latch that no longer catches, a bolt that becomes difficult to throw or a handle that suddenly feels different can be caused by several things.

Sometimes the lock itself is worn. Sometimes one component has failed. And sometimes the lock is perfectly serviceable but the door is putting pressure on it because it is no longer correctly aligned.

That is why the first step in a good lock repair is not removing the lock. It is working out what is actually causing the problem.

Start with the symptom

What Is Your Lock Doing?

01

The key is difficult to turn

If a key that used to turn easily becomes progressively stiffer, possible causes include wear inside the cylinder or lock, contamination, a worn key, or pressure on the bolt caused by door alignment. If the key turns normally when the door is open but becomes difficult once the door is closed, alignment may be contributing. Avoid forcing the key.
02

The lock sticks or jams

A lock that occasionally sticks may need maintenance, may have internal wear, or may be operating under pressure from another part of the door. It is generally better to investigate before it reaches complete failure.
03

The key turns, but the bolt doesn't move properly

The symptom may indicate wear or failure inside the lock body or cylinder. The visible symptom does not automatically tell us which component needs replacing.
04

The latch no longer catches

If the door closes but bounces back instead of latching, the problem may be the latch itself or simply the alignment between the latch and the keep in the frame.
05

The handle is loose, drooping or not returning properly

Possible causes include handle hardware, spindle issues, worn springs or a fault inside the lock mechanism. The handle and lock are connected, but they are not the same component.
06

The lock works with the door open but not when it is closed

This is an important diagnostic clue. If the key, handle and bolt operate normally while the door is open but become stiff when the door enters the frame, the problem may involve door or keep alignment rather than the lock itself.

A practical diagnostic clue

The Problem May Not Actually Be the Lock

Does the lock operate differently when the door is open?

Doors can move slightly because of hinge wear, regular use, adjustment, frame movement or changes in the door itself. A latch or bolt that previously entered the keep cleanly may begin touching its edge.

It can progress from “I have to push the door slightly harder” to “The key has become stiff” and eventually “The lock has jammed.”

Replacing a functioning lock without correcting alignment may leave the underlying problem unchanged.

Diagnosis before replacement

What Part Has Actually Failed?

Euro cylinder

The component where the key is inserted on many modern doors. A faulty or worn cylinder can often be replaced independently.

Lock body

On mortice locks and similar designs, the lock case inside the door operates the latch, bolt or both.

Latch

The spring-loaded component that keeps the door closed. A latch issue may be mechanical or caused by alignment with the keep.

Bolt

A deadbolt should move cleanly into the keep. Frame resistance can make the key stiff even where the mechanism still works.

Handles & spindle

Loose handles, worn springs or spindle problems can sometimes be dealt with independently from the lock.

Multipoint system

UPVC and many composite doors use more complex multipoint mechanisms. UPVC Door Lock Repair Dublin

Common lock hardware

What Types of Locks Do We Repair?

Euro cylinder systems

Faults involving the cylinder, key operation or associated hardware.

Mortice deadlocks & sashlocks

Common on timber doors, with deadbolts, latches or both.

Rim locks & night latches

Including latch, cylinder, snib and alignment issues.

Residential door locks

Everyday lock problems across common household door types.

Handles & associated hardware

Handles, springs, spindles and related components.

Multipoint & commercial hardware

UPVC, composite door mechanisms and common commercial lock hardware. For business premises, see Commercial Locksmith Dublin.

The approach is the same regardless of the lock type: identify the faulty component before deciding what needs replacing.

The right fix

Can a Lock Be Repaired Instead of Replaced?

Often, yes.

But “repair” can mean different things. Sometimes the lock needs cleaning, adjustment or maintenance. Sometimes a replaceable component has failed. Sometimes the lock itself remains perfectly usable once the door is realigned.

And sometimes internal damage or wear means replacement is the more sensible option.

The objective isn't to save an old lock at any cost. It is to avoid replacing a lock when replacement doesn't solve anything useful.

The right fix, not just the biggest fix

Repair or Replace?

Repair may make more sense when

the problem is limited to one component
the door is out of alignment
the cylinder or handles can be changed independently
the lock is otherwise in good condition
suitable parts are available
repair is economical relative to replacement

Replacement may make more sense when

the lock has significant internal wear or damage
the mechanism has failed repeatedly
several parts are worn
the lock is obsolete
suitable parts are unavailable
repair cost approaches the cost of a more reliable replacement
existing security is no longer appropriate

Need a new lock instead? See Lock Replacement Dublin

Stiff Lock: Does It Just Need Lubrication?

Sometimes a stiff lock needs maintenance rather than repair. But not every stiff lock should simply have lubricant sprayed into it. Stiffness may also be caused by pressure from door alignment, internal wear, a damaged key, contamination or a developing mechanical fault.

If a lock is becoming stiff, lubrication may help — but first establish whether the resistance is actually inside the lock. The Right Way to Lubricate a Door Lock

Key extraction

Broken Key in the Lock

A broken key does not automatically mean the lock needs replacing. If part of the key remains inside the cylinder, it may be possible to remove it without damaging the lock.

After removal, it is worth establishing why the key broke: was it already damaged, was the cylinder stiff, was the lock under pressure from door alignment, or was excessive force needed to operate it?

Simply removing the broken piece without addressing the cause may leave the original problem unresolved.

Timber door locks

Mortice Lock Problems

Mortice locks are commonly found on timber doors and may contain a deadbolt, latch or both. Typical problems include a difficult key, a bolt that will not fully extend or retract, a sticking latch, or rough and inconsistent operation.

If the mortice lock operates correctly with the door open but struggles when the door is closed, check alignment with the keep before assuming the lock case has failed.

Rim-mounted locks

Night Latch Problems

Rim-mounted night latches are often casually called “Yale locks”, even where the manufacturer is different. Common problems can involve a sticky latch, worn outside cylinder, inside handle or snib problems, alignment with the keep, or internal wear.

Different components can often be dealt with separately. The complete unit does not automatically need replacing.

Early signs are worth checking

Don't Ignore a Lock That Is Changing

key needs more force than before
latch no longer closes cleanly
handle feels different
door needs pushing or pulling to lock
bolt occasionally catches
lock operation is becoming inconsistent

It may still be a relatively simple issue. Waiting until the door is locked shut or cannot be secured at all usually makes the situation less convenient.

Clear diagnosis, clear options

What Happens When a DIALOCK Locksmith Checks Your Lock?

We test the lock and door

We check the key, handles, latch or bolt and how the lock behaves with the door both open and closed.

We identify the likely fault

We distinguish between lock failure, cylinder wear, hardware problems and door/frame alignment.

We explain the options

If a practical repair makes sense, we'll explain it. If replacement is more sensible, we'll explain why.

We agree the price

The work and price are agreed before we begin. No call-out charge if the customer decides not to proceed.

We repair and test

After the work is completed, we test the lock and door again to make sure they operate correctly together.

Google Rating

5.0

From 900+ Reviews

Why Dublin Trusts Us

6000+

Jobs in 2025

8 Years

Serving Dublin

25 Minutes

Average Response

What Our Customers Say

Emily Coleman

1 review

a month ago

Janis helped us late at night on a bank holiday weekend when we got locked out of our house. He came as quick as he could and unlocked it for us very quickly. Great service

Evan Doherty

Local Guide · 15 reviews · 64 photos

2 weeks ago

Locked myself out and Janis got me back in very quickly and efficiently without having to break anything. All done very clean and fast

Henrique Kerfah

5 reviews · 1 photo

3 weeks ago

Just had a tricky middle of the night service , and Janis came in 20min.. did all the job with excellence and swiftness.. amazing.. 5 stars completely

Robert O'Connor

4 reviews

a month ago

Within an hour of the initial call, Janis arrived as promised. He was polite and very professional. He sorted out the door problem very quickly and neatly. I would highly recommend the company to anyone.

Natasha Morrow

Local Guide · 5 reviews

a month ago

Super quick honest and helpful, would recommend - thank you Serge for sorting the issue out with the pvc door today.

AOIFE LYNCH

3 reviews

2 months ago

Lovely company to deal with over the phone. Serge came out very promptly on a Saturday morning. I didn’t get charged as the lock ended up being ok .Great service and would definitely use again.

James O'Higgins Norman

Local Guide · 3 reviews · 37 photos

2 months ago

Having been broken into, Janis came as fast as possible and changed our lock in minutes. He was very helpful and reassuring.

James O'Higgins Norman

Local Guide · 3 reviews · 37 photos

2 months ago

Having been broken into, Janis came as fast as possible and changed our lock in minutes. He was very helpful and reassuring.

No hidden fees, no surprises

How Much Does Lock Repair Cost in Dublin?

There is no meaningful single repair price because door adjustment, cylinder replacement, handle repair, mortice lock repair, night latch repair and multipoint mechanism repair involve fundamentally different work.

The locksmith will identify the fault, explain what work is required and agree the price before work begins.

✓ Fixed Price Before Work Starts ✓ No Call-out Charge if you decide not to proceed

Get in touch

Need a Lock Repaired?

Tell us what the lock is doing and where the property is. We’ll explain the next practical step.

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Useful questions to ask

Before Agreeing to a Lock Repair

What has actually failed?

Is the problem the lock, cylinder, handles, hardware or alignment?

Can the faulty component be dealt with separately?

The whole lock does not always need replacing.

Why is replacement being recommended?

If a new lock is necessary, the reason should be clear. See Lock Replacement Dublin.

What work will be done and what will it cost?

The scope and price should be agreed before work begins.

A good repair should come with an explanation, not just a bigger parts list.

PSA licensed locksmith

Use a PSA Licensed Locksmith

Locksmith work in Ireland is regulated by the Private Security Authority. DIALOCK — PSA Licence 08802

Google Reviews

Read all 900+ Google Reviews →

Diagnose Before ReplacingWe first establish whether the fault is the lock, a component or the door itself.
Fixed Price Before Work StartsThe proposed work and price are agreed before repair begins.
No Call-out ChargeIf you decide not to proceed after inspection, there is no call-out charge.
Multiple Lock TypesResidential locks, mortice locks, euro cylinders, night latches and multipoint systems.
12-Month Warranty
Dublin & Surrounding Areas

Answers, clearly explained

Frequently Asked Questions About Lock Repair

Can a broken lock be repaired?

Often, yes. The sensible option depends on what has failed: a lock may need maintenance, adjustment, a replacement component, or full replacement.
How do I know whether my lock needs repair or replacement?

A locksmith should test the lock and door, identify the faulty component, then explain whether a practical repair or replacement makes more sense. Lock Replacement Dublin.
Why is my key suddenly difficult to turn?

Possible causes include cylinder wear, contamination, a worn key, internal wear or pressure from door alignment.
Why does my lock work when the door is open but not when it is closed?

This commonly suggests that the latch or bolt is meeting resistance at the keep in the frame, rather than a failure inside the lock.
Can you repair a mortice lock?

Yes. Mortice lock problems may involve the lock case, latch, bolt, key operation or alignment with the keep.
Can you repair a Yale or night latch?

Yes. Sticky latches, outside cylinders, snibs, handles and alignment can often be assessed as separate components.
Does a stiff lock just need lubricant?

Not always. Lubrication can help in some cases, but stiffness can also come from alignment, wear, a damaged key or a developing mechanical fault.
Can you remove a broken key without replacing the lock?

Often it is possible to remove the broken piece without damaging the lock. The cause of the break should then be checked.
Can you repair UPVC door locks?

Yes. UPVC and composite doors use multipoint systems that need their own diagnosis. See our UPVC Door Lock Repair Dublin service for more detail.
Will you tell me the price before repairing the lock?

Yes. The required work and fixed price are agreed before the repair begins.
Do I pay if I decide not to have the repair done?

No. There is no call-out charge if you decide not to proceed after inspection.

Still have questions?

Call 01 265 6511

Available 24/7

Dublin locksmith services

Lock Not Working Properly?

We'll identify the fault, explain your options and agree the price before any work begins.

Call 01 265 6511

Available 24/7

PSA Licence 08802
12-month warranty
Dublin & surrounding areas

Lock Repair Dublin

A Lock Problem Doesn't Always Mean You Need a New Lock

What Is Your Lock Doing?

The key is difficult to turn

The lock sticks or jams

The key turns, but the bolt doesn't move properly

The latch no longer catches

The handle is loose, drooping or not returning properly

The lock works with the door open but not when it is closed

The Problem May Not Actually Be the Lock

Does the lock operate differently when the door is open?

What Part Has Actually Failed?

Euro cylinder

Lock body

Latch

Bolt

Handles & spindle

Multipoint system

What Types of Locks Do We Repair?

Euro cylinder systems

Mortice deadlocks & sashlocks

Rim locks & night latches

Residential door locks

Handles & associated hardware

Multipoint & commercial hardware

Can a Lock Be Repaired Instead of Replaced?

Repair or Replace?

Stiff Lock: Does It Just Need Lubrication?

Broken Key in the Lock

Mortice Lock Problems

Night Latch Problems

Don't Ignore a Lock That Is Changing

What Happens When a DIALOCK Locksmith Checks Your Lock?

We test the lock and door

We identify the likely fault

We explain the options

We agree the price

We repair and test

Google Rating

Why Dublin Trusts Us

6000+

8 Years

25 Minutes

What Our Customers Say

How Much Does Lock Repair Cost in Dublin?

Need a Lock Repaired?

Before Agreeing to a Lock Repair

What has actually failed?

Can the faulty component be dealt with separately?

Why is replacement being recommended?

What work will be done and what will it cost?

Use a PSA Licensed Locksmith

Frequently Asked Questions About Lock Repair

Still have questions?

Lock Not Working Properly?