How to Replace a UPVC Door Replacement Lock

If your door lock is jammed or isn't functioning as it should, you might want to replace it. The procedure may seem complex but it's actually quite simple and doesn't require an expert locksmith.

A few tools of the trade and a little patience, and a lot of care will suffice. Here's what you must do:

Measure the Door

If you're having trouble locking your uPVC door or it isn't closing and lock, it's time to get a new lock. If you've recently moved into a new home, a tenant moved out without returning keys, or if your multipoint gearbox is showing signs of wear and tear, changing the lock barrel to an alternative one will give you an additional layer of security.

You'll need to take measurements prior to purchasing a new lock. This will ensure that the new cylinder will fit correctly and not compromise the security of your home. The backset is the most important. This is the distance that runs from the center of the keyhole bore hole to the edge of the door. It's usually 2 3/8 or even 2 3/4 inches. Measure the length with a measuring tape and note the measurements.

You should also be aware of what the faceplate's thickness is. This is the thickness of the faceplate that covers the mechanism of the lock. If you are able to, purchase a replacement lock from the same manufacturer, because they'll be manufactured to the same dimensions. If you can't find the manufacturer's name or mark on the lock, you can measure the length of the cylinder. You can also verify this by placing a pencil on the keyhole and measuring from the bottom of the lock to the middle of the pencil mark on both sides of the cylinder.

Once you have the measurements you can begin removing the old cylinder. Begin by loosening the screw holding the handle with the Phillips-head driver, and then loosen the screws that connect the handles on the exterior and interior to each other. After removing these screws, you can remove the barrel screw on the exterior handle to release the cylinder.

If the cylinder is stuck in the lock, try using WD-40 or another lubricant, to help you get it out. It's important to not force it out - forcible turns could cause damage to the internal gearbox and lead to additional issues with your lock. Consider upgrading to a lock with anti-snap, antibump and anti-snap security. This will make it more resistant to attacks by thieves.

Source the Lock

When buying a new door lock you must take into consideration some aspects. To ensure that the lock is of good quality and fits make sure you purchase the right size cylinder and from an established manufacturer. You'll need some basic tools to complete the task, including a screwdriver and mallets made of rubber.

There are a variety of indications that your upvc door lock is in danger of wearing out and will require replacement. door lock repairs huddersfield are visible damage to the lock or a handle that is loose and isn't fitting properly. If the lock is jamming, or not locking at all it's time to replace it.

After you've chosen the best lock, you must install it correctly so that it operates properly and locks securely. Follow the manufacturer's instructions when installing the multipoint lock mechanism into the upvc panel. Install the correct faceplates, handles and other parts. Test the mechanism by locking the door and unlocking it from both the inside and outside. If everything looks good then it's time to celebrate your accomplishment.

It might seem daunting to replace a Upvc lock but you can do it on your own without the assistance of a locksmith. By recognizing the indicators that your lock is in need to be replaced and having the tools needed it's a relatively simple process.

Be aware that, like any moving part, a upvc door lock could benefit from lubrication to run smoothly. A few sprays of silicone or graphite powder lubricant could assist in extending their lifespan by keeping them free from excess friction that can cause premature wear and tear. Regular cleaning using a damp cloth and WD-40 will aid in keeping your door lock mechanisms in top condition.

Remove the Cylinder

If you're experiencing issues with your doors made of plastic and windows, it could be time to replace the barrel on your lock. This is a simple DIY project that can be completed in just a few minutes and is a great way to ensure your home's security. The most important part of this process is identifying the brand of the lock that you currently have so that you can find an appropriate replacement.


A damaged door lock could be a huge hassle and could create a serious security risk. Locks on uPVC doors are susceptible to malfunction, which is why it is crucial to check them regularly. In fact, experts recommend that you change your lock every seven years. If your lock is seriously damaged or you aren't satisfied with its performance, a professional's assistance might be worthwhile.

For uPVC the pin system, referred to as the euro cylinder will be utilized in the majority of cases. They are easy to use and don't break down, but they can still be susceptible to attack. As a result it's a good idea to replace your lock's cylinder with a newer model that incorporates anti-snap and anti-bump protection to prevent burglary.

The first step in changing your uPVC locks is to remove the handle. This will expose the old cylinder. This can be a little tricky as there are usually some screws hidden underneath the handles, so make sure you have a screwdriver handy. Next, you'll need to experiment with gently shifting the cylinder until it loosens. Once it does you can remove it from its socket.

Once you've sourced an appropriate replacement, it's a case of screwing it into place and reversing the removal process. Be cautious not to over tighten because this can cause the cylinder to become stuck inside the door and not function as it should. After everything is back in place check the uPVC door lock by opening and closing it both sides. You should now be in a position to lock and unlock it with your key! If you don't, check that the screws are tight and try again.

Install the Lock

You'll have to do some research to make sure that the lock you pick is the right one for your door. You will be required to know your backset and faceplate dimensions which is the distance between the edge of the front door and the centre of the handle/cylinder with the lock type to ensure that the new lock fits correctly without compromising security.

After you've completed this, it's time to install the new lock. It is best to open the door with a prop, or lock it so that it doesn't close during the installation process. The first step is to loosen the screws that hold the handle in place using a Phillips-head screwdriver. Once they're removed then you'll be able to slide the handle's outer and inner parts apart.

The next step is to remove the old cylinder, which you'll need to do by removing it from its barrel. Once you've removed the cylinder and the barrel, you can install the new lock, making sure that you follow the guidelines for your specific model. Once it's installed you can test the new lock by opening and closing the door from the inside and outside as well as locking and unlocking it from the inside, and testing it again.

There are a variety of reasons why you might need to change the locks on your uPVC door. You might have just moved in and haven't had an entry key. The previous tenant may not have returned it. Or you might want to upgrade your lock to something more secure. Whatever the reason changing the lock's cylinder is straightforward and should only take about five minutes.

Whether you have a multipoint lock, or a single-point lock, they all operate on the same basic mechanism. They can have problems like closing issues or a jam. These issues can be caused by weather conditions or wear and tear or just the normal use. The majority of these issues can be easily fixed with a little maintenance or by hiring a locksmith.