The Cost of Replacing a Lock.

Improving door security is something that many people in the UK are interested in these days.

Although replacing and/or upgrading locks is the most common way to improve door security, it is not the only way; however, this article will focus on door lock replacement.

Yale locks are the most common in the UK, and they are self-locking by simply closing the door.

Though popular, they are not very secure and are usually easily destroyed by force.

Deadlocks differ in that you must turn a key to lock them; they are typically used at night or when you leave the house for an extended period of time.

When used in conjunction with Yale locks, deadlocks are considered fairly secure.

A typical deadlock installed in a wooden front door will cost around £150 to replace, including parts and labor.

Replacing just the cylinder or a Yale door lock would be slightly less expensive, say £125.

Prices for Door Lock Replacement

The following are some approximate costs for hiring a tradesperson to replace a door lock:

LOCK TYPE AVG COST DURATION Deadlock £150 10-30 mins Yale Door Knob £125 10-30 mins Cylinder Lock Euro £100 10-30 mins Deadlock with 5 Lever Mortice £150 10-30 mins System of Multiple Locking Points £200 20-40 mins Automatic Deadlatch at the Rim £80 10-20 mins All locks must be replaced. £300-£400 2-4 hours

The supply costs for a replacement door lock range from around £20 to around £80.

This is the average cost of purchasing the locks separately, excluding labor and waste removal costs.

The following are some estimated prices for various lock options, as well as their supply only costs.

LOCK MODEL AVG COST mortice deadlock with 5 levers £20-£25 Mortice sash lock with 5 levers £25-£30 BS3621 5 Lever Mortice Deadlock £30-£40 BS3621 5 Lever Mortice Sash Lock £35-£45 Euro-style cylinder lock £15-£20 Cylinder rim £10-£20 System of multiple locking points £40-£60 Automatic deadlatch on the rim £30-£50 Patio door security lock £10-£15 Locked garage door £15-£25 Window lock £20-£25

If you're thinking about getting new locks to improve security, perhaps after a break-in, there are some other jobs you should look into.

Having an impenetrable door is useless if the windows have no/poor locks.

So have a security expert inspect all points of entry and recommend locks.

You should also consider installing an alarm system for up to £500 as an additional layer of security and a possible deterrent.

You might be installing a new lock as part of a new front door, which will cost an extra £500.

Other security measures worth installing include a new security light to deter burglars for £150, or CCTV installation for around £1,800 if your budget allows.

Individual costs for replacing a door deadlock: £150

Timelines and labor costs

The prices listed above assume that the work is completed between 9 a.m. and 5 p.m., Monday through Friday.

This is due to the fact that a locksmith will usually charge more if locks need to be replaced late at night, on the weekend, or as part of an emergency call-out.

A locksmith will frequently charge a minimum of £50 just to come out.

The average material cost to replace a door lock will vary depending on the type of lock and extras you select.

Cylinder locks, deadlocks, and latches can cost between £20 and £60.

Section I: Table of Contents

There are numerous factors that can affect the cost of replacing a door lock, causing your prices to be significantly lower or significantly higher.

The following is a list of cost-influencing factors and how they can affect the price of a new door lock.


The time and date are crucial in determining how much you'll be charged for your locksmith job.

Many locksmiths will raise their prices between the hours of 6 and 8 p.m. 30 pm to 8 This is because these are not typical working hours and will take time away from their personal lives.

If you call a Locksmith during standard weekday 9-5 working hours, you're more likely to pay less than £50.

Lock Style

A multi-point locking system costs £200, a standard euro cylinder lock costs £90, and a rim automatic deadlatch costs around £80.


Choosing a less expensive/budget cylinder will reduce job costs, but a higher quality cylinder with better security will cost more but will be worth it in the long run for peace of mind and safety.

Duration of Employment

The size of the job is determined by how difficult the replacement is and the type of lock installation; however, many Locksmith companies charge by the hour, and if you have several locks that need to be looked at, this could take between 2-3 hours.

Locksmiths typically charge around £50 for the first hour and an additional £25 for each additional hour.

If your door or window has an unusual lock, locksmiths may need to order parts and return to your property on another day, which will almost certainly result in additional labor costs for you.

It's a good idea to speak with your Locksmith and confirm a price for the entire job or per hour.


If you're replacing an old lock, you'll need to consider both material and labor costs.

With snapped or damaged locks, as well as lost keys or burglaries, new parts are frequently required.

The type of lock you need depends on your door and insurance policy, so you may not be able to get the cheapest standard lock.

What Is Involved in Door Lock Installation?

If you're wondering how a professional will replace and install a new lock, here's a general step-by-step guide.

Remove the previous lock and deadbolt.

The first two bolts will be removed, followed by the turn plate assembly, until the deadbolt lock assembly can be pulled out and seen through the hole in the door.


Then they'll find the next two screws holding the deadbolt plate in place and pull them out as well.

Replace the deadbolt and lock.

They will then reverse everything they have just done to install the new deadbolt and lock.

After installing the deadbolt, insert the lock mechanism and bar into the turn assembly plate, aligning it to the top.

Following that, they must turn the doorknob to reveal the bolt holes and tighten the key assembly.

Safeguard and test

After the lock has been securely fastened into place, it is critical to test the door before closing it by turning the indoor assembly and key lock.

Workers will close the door and test it there a few times once they are certain it works. The door should then be cleaned and finished.

DIY Door Lock Replacement

It is not advised that you replace your own lock.

It is your and your family's safety that you are securing and jeopardizing, so it is always best to have a professional Locksmith do the job for you.

You won't have to spend a lot of money and will have complete peace of mind about your security.

You may, however, want to purchase your own door locks.


When taking advantage of any insurance company discounts on door locks, you must be absolutely certain that you have the correct locks as specified on your insurance policy.

If your locks do not meet the insurer's specifications, your insurance company may reject any claims.

Of course, you should take advantage of any premium discounts for secure locks, but it can be difficult to determine whether you have the correct locks as specified by your insurer, as most Yale locks look the same unless you are a locksmith.

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Selecting a Door Lock

There are numerous door lock options to choose from, and it's critical that you find the right one for your specific door for your and your family's safety.

Always consult with a professional Locksmith to determine which lock is best for your door and home.

Cost of a 5 Lever Mortice Deadlock

A typical deadlock for a wooden front door will cost around £150, including parts and labor.


Replacing a Yale lock with an entirely new lock and cylinder will cost roughly the same if done during the day and during the week.

Replacing only the cylinder on a Yale lock would be slightly less expensive, perhaps around £125.

Cost of a Multi-Point Locking System

A multi-point locking system is most commonly used with composite or uPVC doors to add an extra layer of security.

A multi-lock door, as the name implies, has several types of locking mechanisms arranged in a straight line.

This is common in public places because the locks are difficult for trespassers to disarm.

A typical door replacement with a multi-point locking system will cost around £200.

Cost of Rim Automatic Deadlatch

A rim automatic deadlatch is a lock extension rather than a type of door lock in and of itself.


It can only be unlocked from the inside of the house and is usually installed at the top of the door, adding extra security alongside a standard mortice or euro cylinder lock.

A standard rim automatic deadlatch replacement will cost between £60 and £80.

Euro Cylinder Lock Price

A euro cylinder lock is accessible through a lock case and is secured with a fixing screw.

They are a very popular door lock option for homes and schools, and they are very adaptable to a variety of settings.

A standard euro-cylinder lock replacement will cost between £80 and £100.

What do British Standard Door Locks mean?

The British Standards Institution (BSI) creates a lock standard, which means that if a product has been certified and approved by the BSI, it will be carved with the British Standard Kite Mark on both the key and the product packaging.

Several insurance companies will claim that you must have a BSI lock to be eligible for their coverage.

There are several options for these locks that display numbers indicating the number of standards the lock has passed.

If you live in an older home, you may or may not have BSI locks, and the kitemark may or may not be visible at first glance; you may need to remove the door to check; this should be left to a professional Locksmith.

The following is a list of common British Standard door locks.


BS3621 Standard - This lock is used for mortice and cylinder rim locks that can be locked from the inside as well as the outside.

This lock prevents people from opening the door by reaching through the letterbox or breaking nearby glass.

BS8621 Standard - This type of lock requires a key for exterior entry but not for interior exit.

These are popular in apartment buildings and flats because they allow for an emergency exit from within the property.

BS10621 Standard - This lock can only be locked from the outside and can only be opened from the inside if the door has not been locked.

Is it necessary to replace my door lock?

A burglary, stolen/lost keys, being locked out of the house, or remodeling and changing your door may necessitate the replacement of your door lock.


Overall wear and tear may necessitate lock replacement; signs to look for include:

  • Keyholes that are unstable or loose are examples of damage.
  • Defect - noticeable when attempting to unlock or open the door.
  • Old age - determine when the lock was installed; if it was installed a long time ago, it may be worth replacing.
  • Interference - look for scratches or marks.

Cost of Door Lock Repair

Contrary to popular belief and television shows, how resistant locks are to picking is secondary; the most important security aspect is the physical strength of the door and frame.

If you are changing locks after a break-in and there are splits in the frame where the door was forced open, you must also have the door and frame properly repaired by a carpenter.


Very few thieves pick locks, especially mortice deadlocks; most break-ins are literally that, with the door being kicked in and broken.

The average cost to repair a damaged or defective door lock ranges between £40 and £80.

The cost will vary depending on the length of time it takes to repair, whether or not parts must be ordered, and the type of lock required.

Job Specification Avg Cost Restore a door lock £60-£70 Interior door lock repair £40-£50 UPVC door lock repair £60-£70 Garage door lock repair £50-£60 Patio door lock repair £60-£70 Replace the door handle £50-£55

Labor costs are the primary source of any potential price increases, particularly if the lock is repaired or replaced outside of normal business hours.

Emergency Locksmith Fees

If you are locked out of your house, have been the victim of a burglary, or have broken keys, you may require the services of an Emergency Locksmith.

This could mean that your locksmith prices rise depending on the type of emergency, the type of lock, the location, and how long it takes to repair.


Emergency locksmiths respond faster than regular locksmiths but charge around £90 for labor without the cost of the necessary materials. A detailed explanation is provided below.

Emergency Type

Emergency jobs typically take longer to complete, but this is not always the case, such as when the emergency is simply unlocking the door rather than replacing and installing a brand-new lock.

However, if your keys are lost or stolen, or there is a burglary/break-in, you will be required to pay for both the labor costs of an emergency locksmith and the material charges for the installation of a new lock.


When it comes to costs, the time you call an Emergency Locksmith is critical.

If you require the services of a locksmith at unsociable hours, such as late nights or weekends, you will be charged more than you would on a typical weekday morning or afternoon (normal working hours). Bank holidays and Christmas will also incur additional charges.

Normal working hours can cost up to £60 plus VAT, while out of hours can cost up to £120 plus VAT.

Call Out Charge

An Emergency Locksmith may charge you a call-out fee of up to £100 even if they are unable to solve your problem or perform any other service.

To avoid any costly surprises, you should always check with your locksmith prior to making a call.

The Price of Removing a Door Lock

Removing a door lock is a very uncommon task because you will usually need to replace the previous lock as well.

However, some interior doors, such as bedroom or bathroom doors, may no longer require a lock.

This is a simple job that only requires removing the lock and sealing over the hole; it should take no more than an hour and will cost around £50 per hour for an average Locksmith.


What does backset on a door lock mean?

The backset is the distance between the keyhole's center and the lock's edge.

When adding or replacing a new lock, it's critical to be aware of these dimensions because you want to ensure that the door fits the correct measurements to avoid drilling new holes.

What kind of lock is used on an uPVC door?

A multi-point locking system is commonly used as the primary lock on a uPVC door. This is a popular choice for modern homes because it bolts the door into the frame with at least three locking points, providing a high level of security.

The cost of replacing a UPVC door lock without labor can be around £45.

Why should I hire a locksmith to replace the locks on my doors?

There's nothing stopping you from installing your own door lock, but do you know what type you need, how to find the correct size, and how to ensure the new locks will meet your insurance company's requirements? Unless you are extremely confident, you should always use a qualified and reputable locksmith to ensure that you get the right locks and that they are properly installed.

Furthermore, most companies provide low-cost locksmith services for door lock replacement.

How do you find a reputable locksmith?

It is important to note that there is no government licensing of locksmiths in the United Kingdom, so anyone can advertise as a locksmith regardless of their competence, background, or motives. Always check their credentials and references, as well as memberships in trade organizations, to ensure that you are only going to use a reputable and professional locksmith, which leads me to my next paragraph. One advantage of Yale locks is that you can save money by replacing just the cylinder and key rather than the entire lock, whereas deadlocks are typically sold and installed as a single unit. Many household insurance companies will give you a premium discount if you install a secure lock, so when changing locks, contact your insurer to find out which types will save you money. Most insurance companies consider the five lever mortice deadlock conforming to BS3621 to be the most secure type of lock.

If your deadlock is a five-lever device that meets these British Standards, you will most likely receive a discount on your home insurance, lowering the cost of changing door locks.

Should I change the locks on my new house if I'm moving?

You will not have to pay any additional fees to have the locks on your old house changed; however, it is a good idea to have the locks on your new home changed. This is for your own protection because you don't know who has previously had a key made for the house or how many spare keys have been made.

This should be your top priority because burglars frequently target homes with new owners and raid their moving boxes.

Do I have to replace my locks if I misplace my keys?

This is not a requirement, but it is highly recommended.
This is because, while it is unlikely that someone stole your keys and planned a burglary without your knowledge, you still have no idea who has access to your home.

Is it better to replace locks or rekey them?

It may be easier to rekey a lock rather than replace it. Rekeying is a procedure in which the inside pins are changed to ensure that the current key no longer fits.

However, this is a difficult service to find because most Locksmiths do not offer it as part of their standard call outs, so they may charge more to rekey.

Will the locksmith break down my door if I lock myself out?

Don't be concerned. A professional locksmith will usually have your door in safe hands; the majority of them can gain access to properties by bypassing locks without destroying them. This means you will be able to enter your home without causing any damage. However, there may be times when a locksmith must cause minor damage to gain access to your home.

Be wary of locksmiths who only use force and damage to gain access to a property; this is not standard procedure and often indicates that they are not professional or trustworthy.

How to Locate and Hire a Door Lock Installer

Third-party approval through organizations and trade bodies such as the Master Locksmiths Association is one way to find reputable locksmiths.

The MLA Approved Company scheme ensures that every locksmith has been vetted, is qualified, and is regularly inspected.

Also, avoid using national call centers for locksmiths because they frequently overcharge you for the work and then simply contact a local locksmith to do the job - simply cut out the middleman and contact the local locksmith directly.

Recommendations and word of mouth are also beneficial; ask family and friends if they have had locks replaced and if they were satisfied with the work.

Be wary of rogue tradespeople who pose as locksmiths but lack recognized training, qualifications, or trade membership.

These cowboys will always recommend the most expensive option, or at the very least the fix that will make them the most money in the shortest amount of time; they are unconcerned about your safety.

Burglars may be discouraged from targeting a property if they see effective security measures in place.

Investing in quality locks will not only protect your home, but it may also deter trespassers in the first place.

Locksmiths use modern technology to provide high-quality locks that meet individual needs and keep people's homes safe.

You can trust the high-security door and window locks recommended by Master Locksmiths Association members; all of their locks will meet or exceed industry standards.


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