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How to Replace a UPVC Door Lock

If you have recently moved to a new home or suffered a burglary at your property and you need to change the locks on your doors is a crucial step to regain security. It's not as complicated as it might seem.

It only takes a little preparation and the appropriate tools to avoid a visit from a locksmith.

Identifying the Problem

It's important to recognise the signs that a uPVC door lock isn't working properly. If you are having trouble turning the handle, or you hear strange noises when you turn it on This could indicate that the lock needs to be replaced. Don't wait until the lock is broken completely, however, as it could leave your home vulnerable to burglars.

There are several possible causes for the uPVC door not to lock. The key may not fit correctly. Another is that the lock is damaged or worn. If you notice that the handle of your uPVC door is sloppy or loose, this is another sign that it's time to replace the mechanism.

Another common issue is that the handle is stuck in the locked position. This could be due to a number of things such as broken hinges on the door or excessive force on the handle. You can try tightening the screws that hold the barrel part of the lock to fix this.

It's also possible that your uPVC door is not properly aligned with the frame. This could cause the handle to lock to remain locked and stop the latch from engaging when you shut the door. You can fix this issue by applying the grease.

You can also use an lubricant made of graphite to lubricate your handle and locks. This product won't attract dust, unlike petroleum-based products. Apply the lubricant at least every six months or more frequently when the handle is stiff. This is a straightforward maintenance task that can assist in keeping your doors in good order for longer.

It is not recommended to push a lock or handle in the event that it gets stuck. It is recommended to call a locksmith when you have issues with your uPVC lock. This could cause damage to the mechanism and handle and result in additional charges. With the right information and a bit of work you can change a uPVC door lock yourself without needing to hire locksmith.

Finding the Right Lock

A uPVC door lock replacement may seem overwhelming however it can be accomplished quickly and safely using the right tools. When replacing a uPVC handle it is crucial to ensure that the new lock is properly sized. This is to ensure that the handle fits into the spindle hole properly and that it will close and lock the door without the need for a key.

The size of an uPVC lock is determined using two standard reference points. The first is the center of the circular portion of the keyhole in the front of the door up to the center of the square spindle hole (the connecting point at which the handle is located). This is referred to as the PZ measurement. The second measurement is taken between the bottom edge of uPVC frame and the middle of round portion of keyhole at the top of the door. This is the backset measurement.

Getting stratford door lock repairs is essential as it is essential to ensure the proper operation of your multipoint locking system. It is also an excellent option to increase your home's security. Some uPVC locks have anti-snap locks that minimize the chance of the cylinders snapping. This gives you greater security when compared to conventional locks.

Some uPVC doors are difficult to repair without the help of a professional. A jammed or stiff lock may be caused by dust or dirt in the mechanism. The lock can be damaged if one tries to force it open. In such cases, it is best to contact a professional locksmith who will take the lock and clean it before applying the lubricant.

Misalignment of locking mechanisms is another common uPVC issue. This is usually triggered by weather changes or wear and tear, but it can also be the result of an improper installation or adjustment. If not properly checked, misalignment can leave your door vulnerable to burglary and even leave you locked out of your home.

A locksmith who specializes in repair of doors made of uPVC can look into the locking mechanism and recommend the best solution. They can replace damaged springs and re-align locking mechanisms to ensure that they function smoothly. They can also install a range of accessories, such as peepholes, door security chains, and other accessories, for your uPVC door.

Installing the Lock

It's time to replace your uPVC lock cylinder or door handle if it becomes jammed. A damaged uPVC door lock can compromise your home's security, so it's crucial to replace it as soon as possible. A professional locksmith will help install the lock and ensure it's installed correctly to avoid any future issues.

The replacement of your uPVC door lock doesn't need to be a hassle or cost a lot of money. In fact, it's an easy task that can be accomplished by anyone with a basic DIY skill. It is important to be cautious throughout the process and always adhere to the instructions of the manufacturer for your specific model uPVC lock.

Start by taking the handles off the outside of your uPVC door. There are typically two screws that attach the handle to the door, and they will be easily removed using a screwdriver. After you have removed the handle, you can also remove the handle on the inside and cylinder. Make sure you keep the cylinder and handle numbers, so that you can order a replacement if needed.

The barrel lock is opened by turning it to the left. After you have removed the lock, you can remove the long bolt that holds it in position. The screw is typically a different color than all other screws on the door, and it's situated at the bottom of the door frame. Once you've removed the screw, move the lock barrel out.

Replace the barrel lock in the same manner as the old one, making sure that you align it with the door's frame and ensure it is a perfect fit. Once the lock is in place you can put in the handle and tighten the screws. Check the lock to make sure it is working correctly.

Whether your uPVC door handle is jammed, doesn't turn or feels loose, it's time to replace it. Faulty locks are often targeted by criminals who want to gain access to your home, so it is essential to take the necessary steps to protect your home and family. A professional locksmith can guide you through the process and provide expert advice on how to improve the security of your home.

Testing the Lock

If you're planning on replacing your uPVC door lock, it's crucial to prepare thoroughly for the job. It is crucial to refer to the manual of the manufacturer for any instructions, and to gather all the tools and equipment required. It is also important to take the time to ensure your safety while working. Wearing gloves while working and placing blocks of wood or doorstop beneath the door will help ensure that it stays in place.

It's time to replace your uPVC lock once you've prepared properly for the job. It is crucial to take the time to accurately measure your door and cylinder and note these measurements to ensure that the lock is properly fitted. This is essential to guarantee your new lock cylinder is fitted correctly and will ensure security and ease of use.


There are a number of common problems that can be affecting uPVC door locking mechanisms, such as the misalignment of the lock or worn-out lock cylinders, locked that are stiff or jammed. These problems are easily fixable by a locksmith.

To fix a stiff or jammed lock the first thing you'll need to do is remove any dirt or debris that could be causing the problem. You can accomplish this by using a dry lubricant, such as graphite powder or PTFE instead of an oil-based product because they can attract dust and dirt.

Once the lock cylinder is clean, you'll have to clean it and inspect the barrel of the cylinder to see if there are signs of damage or wear. If everything is in good order then you can put it back together and test it to confirm that it works as intended.

Losing or breaking a key can be a stressful experience, and can even affect the security of your home. But, by following these simple steps, you can gain access to your home and restore its security in a matter of minutes. If you're still experiencing difficulties with your uPVC lock, it's always recommended to speak with a professional to handle the repair process in a timely and efficient manner. They will have the proper tools and experience to disassemble your lock and clean and lubricate its components, and make sure that it's properly aligned in the door frame to ensure optimal functionality.

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