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How to replace the lock barrel on a door

How to replace the lock barrel on a door


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How to replace the lock barrel on a door

How to replace the lock barrel on a door

Your lock barrel is an essential part for the security of your door. However, if your lock barrel is no longer functioning due to damage or you wish to change the lock due to loss of keys, then we can help you replace your lock barrel. Follow our simple video below or our photo step by step under that.


Tools you will needDuration
Screwdriver, door barrel and new door keys5 minutes


First, you need to remove your door handle

Follow the steps below to remove your handle.

Step 1

Step 1

First, make sure the door you are working on is propped open or is secured safely, so this procedure is easier to complete without the worry of the door closing mid-operation.

Step 2

Begin by loosening the screws that are holding the handle in place. Composite door handles typically have two screws holding them in place, and they will be on the inside of the door for security. If you’re struggling to locate the screws, they will most likely be covered by caps for aesthetic purposes. Using your Phillips-head screwdriver remove both the top and bottom screws that are holding your handle securely to the door.

Step 2
Step 3

Step 3

Once you have removed the screws, both the outer handle and the interior handle will slide out together. Make sure you do this slowly and to keep hold of both outer and interior handles as you remove them. You don’t want to lose or damage any pieces in case they are needed again in the future.

Now to remove your lock barrel and replace

Follow the steps below to remove and replace your lock barrel.

Step 1

Step 1

First, you need to locate the lock barrels screw which is underneath your door lock and usually stands out from the locking mechanism of the screws of the door as it’s a different colour. An example is shown here.

Step 2

Once you’ve located the screw you need to remove it.

Step 2
Step 3

Step 3

Once removed you will need your current key, insert the key into the barrel and twist to the right, shown here.

Step 4

After it’s been twisted you should be able to pull the barrel out with ease.

Step 4
Step 5

Step 5

Take your new barrel and keys.

Step 6

Insert the new keys into the new barrel as you did with the previous one and slot it back into its place.

Step 6
Step 7

Step 7

Keep twisting the key until the barrel slots in nicely and you can twist the key normally with no issue.

Step 8

Once aligned find your lock barrel screw and proceed by screwing it back into place. It might take some trial and error to get it slotted in.

Step 8

Now to put your handle back on

Follow the steps below to put your handle back in place.

Step 1

Step 1

Grab either side of your door handle with the spindle. Place the spindle inside the handles socket then place it in through the hole of the door.

Step 2

Grab the opposite side of the handle and fit it on the other side of the door secured in the spindle hole.

Step 2
Step 3

Step 3

Once the door handle is on both sides simply insert both the screws into the two screw holes and tighten them to secure the handle in place.