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What Double Glazed Door Lock Replacement Experts Want You To Know
Double Glazed Door Lock Replacement

It can be difficult to replace a double glazed door lock however it's not that difficult with the appropriate tools. Replacing your window lock will improve the energy efficiency of your home or office and also provide additional security.

Take off the screw that holds the faceplate of the lock cylinder. Make use of a screwdriver to turn the cylinder to the left.

Replacement cylinders

Euro lock door cylinders or barrel locks are available in nearly all uPVC double glazed uPVC doors. They provide security and reliability and have been verified to function. The replacement of a cylinder is usually needed due to a key being lost or stolen but also due to age and the possibility of corrosion. Our cylinders are available in a range of sizes, styles and finishes that will fit your door. Based on your requirements you can select between 1-star and 3-star cylinders that are secured by insurance-approved Kitemarks BSI.

Cylinder locks are based on simple pin and barrel locks that have been used for a number of years in most if not all uPVC doors. However, the drawback of these locks is that they are easily manipulated by burglars who use tools to "snap" them and gain access to your home. We suggest replacing your cylinders using snap-resistant cylinders to protect yourself from this common burglary method.

To remove the old cylinder first of all open your door and locate the screw that is located on the edge of your door between the outer handle and the inner handle. The screw will typically be distinct from the other screws since it has a different color. Using a screw driver undo this screw completely. If the screw refuses to budge then try applying some 3 in 1 type oil and leave it for an hour or so. This could help, or you can chisel the head of the screw in the direction of unscrewing to break it loose.

After removing the screws for the handle, loosen the cylinder by turning it either way (the direction of the cylinder will vary based on the side of the door the locking mechanism is located). When the cylinder is free, pull it towards you and remove it. Take measurements of the cylinder's width and length prior to buying an alternative.

We have a range of full and half cylindrical cylinders and a selection of specialised security cylinders that are rated for anti-snap and anti-bump. These are BSI kitemarked and Secured by Design certified, and provide high levels of physical security for your home.

Replacement handles

If you're replacing handles on a uPVC front door, there are plenty of colours and styles to choose from. But the most important thing to remember is that the new handle fits properly. The screw size and keyhole size should be identical. Use our handy guide to measure uPVC handles. This will ensure you get the correct measurements and buy the correct handle. It's also worth considering upgrading to a more secure set of handles. This will make your uPVC door more secure, and prevent thieves from opening the lock.


You will be able to pick up handles to replace your double-glazed doors from most major uPVC handle manufacturers. Companies like ERA Avocet Millenco provide a wide range of lever and lever-lever handles in various finishes. You can pick the lever handle with a snib for additional security.

Depending on what you need in the future, you may need to replace the entire handle or only the lever. This is often due to wear and tear but can also be caused by a problem with the lock mechanism. If your lock system is not working properly, it's best to contact an Locksmith. However, if you're only looking to replace the handle of the lock, you could do it yourself.

After you have made your measurements, you can compare them with the sizes of replacement handles on the market. The most common size for uPVC door handles is the 92pz, but there are also 70pz and 68pz sizes. You will also need to ensure that the new handle has an appropriate backset and faceplate. This will ensure that the screw holes align correctly and won't cause damage to the lock inside the door.

If you're replacing the handles on your door and would like to upgrade to a higher level of security, it's recommended to consider Sold Secure SS301 or a 2* Kitemark set of handles. These are a good option because they're endorsed by the police and come with a patented anti-drill and anti-pick features.

Faceplates replacement

Door keeps and faceplates are the final defense against burglars They tell anyone who would like to break in that your home is secure and stop them dead in their tracks. They are crucial and should be purchased from a reputable hardware shop whether online or in person. This will ensure you get a sturdy device that will protect your doors and windows from damage and corrosion over time.

It is also important to be aware of the differences between a multipoint uPVC lock and a single point one, they can differ just as much as apples versus oranges. You must choose the correct faceplate or backset depending on the kind of lock you're installing. A 'backset' is the distance from the door's edge to the center of the handle or cylinder.' A 'faceplate is the metal band that is used to cover the edges of the mechanism. These are the key factors in determining which parts to replace for your new uPVC lock system. It's a procedure to follow the instructions on how to install them!

replace upvc door lock

Based on your preferences, there are various options available when it comes to the replacement of locks for uPVC doors. These locks are designed to resist the force and offer greater security for your home. There are also uPVC multipoint door locking systems that can be used in commercial buildings as well. They are typically supplied by reputable companies, such as Fullex center lock gearboxes and Gardinia door locks made of UPVC.

When you are choosing a replacement lock for your window, be aware of the kind of backset you require and the faceplate you require. Make sure that the new lock matches the existing ones to ensure it is secure and will fit properly. If your lock has a spindle of 35mm and a 35mm backset it is recommended to buy a new uPVC handle with a gearbox that matches with the Laird Saracen surelock.

In the same way, you must ensure that the new lock you select matches the faceplate and handle hole size of your existing windows. This is crucial to ensure an effortless integration between the handle as well as the window lock.

After you have chosen the replacement lock and you are ready to install it on your window. It is recommended to speak with your local locksmith in this process. They can help you find the right lock. You should also test the new lock.

In order to avoid this, you must replace your double-glazed windows with a high-quality lock that is resistant to forced entry. This will help to protect your valuables from a burglary and also keep your family safe. Replacing window locks will improve the security of your home at a affordable cost. However, the process can be challenging when you aren't familiar with it. To complete the task with ease you must adhere to these steps with care.