Double Glazed Door Lock Replacement

Double glazed door locks replacement may seem like a daunting job, but with the right tools and step by step instructions it is manageable. Replacing your window lock can increase the energy efficiency of your home or office and will also add security.

Remove the retaining screw on the faceplate of your lock cylinder. Make use of a screwdriver to turn the cylinder to the left.

Replacement Cylinders

Euro lock door cylinders or barrel locks are found in almost all uPVC double-glazed doors and have been proven to be secure and dependability. Replacement of a cylinder can be required due to a key being lost or stolen but also because of age and the possibility of corrosion. Cylinders are available in a range of sizes, styles and finishes to match your door. Depending on the requirements of your home you can pick between cylinders with 1-star or 3-star ratings. These cylinders are protected by BSI Kitemarks which are approved for insurance.

Cylinder locks are a basic pin and barrel mechanism that has been used in uPVC doors for a long time. The weakness of these types, however, is that burglars could easily manipulate them with tools that allow them to "snap" and gain entry into the home. We recommend replacing your cylinders with anti-snap ones to safeguard against this popular method of burglary.

To take out the old cylinder, first, open your door and find the screw that is located on the edge of the door between the outer handle and the inner handle. This screw will usually stand out from the rest of the screws because it has a different color. Using a screw driver undo the screw completely. If the screw refuses to move, try applying a 3 in 1 type of oil and letting it sit for an hour or so. This could help, or you can chisel the head of the screw in the direction of 'unscrew' to break it loose.

After removing the handle screws, slackening the cylinder by turning it either way (the direction will differ based on the side of the door the locking mechanism is situated). Once the cylinder is loose, pull it toward you and remove it. Then measure the cylinders width and length to purchase a replacement.


We offer a variety of full and half cylinders, as well as various security cylinders, which are rated for anti-snap resistance and anti-bump. They are BSI kitemarked and Secured by Design accredited and provide high levels of physical protection for your home.

Replacement handles

There are many colours and styles available when replacing the handles on an uPVC door. The most important thing to keep in mind is that the handle must fit properly. Both the screw size and keyhole size must match. Use our guide to determine the measurements of uPVC handles. This will help you get the most accurate measurements and ensure you buy the correct handle. Upgrade to high-security handles. This will increase the security of your door and prevent potential thieves from being able to access the lock on your uPVC front doors.

You will be able to get replacement handles for your double-glazed doors from most major uPVC handle manufacturers. Companies such as ERA Avocet Millenco provide an extensive selection of lever and lever-lever handle designs in different finishes. You can even pick the lever handle with a snib option for extra security.

Based on the requirements of your situation, depending on your needs, you may have to replace the entire handle, or just the lever. This is often due to wear and tear, but could also be due to a problem with the lock mechanism. If your lock system is malfunctioning, 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.

Once you've gotten your measurements you can start to compare them against the sizes of replacement handles that are available on the market. The most common size for uPVC door handles is the 92pz size, but there are also 70pz or 68pz sizes. The new handle should have a backset as well as a faceplate that are compatible. This will ensure that the screw holes align correctly and won't cause damage to the door lock.

If you're replacing your door handles and want to upgrade to a higher level of security, then it's recommended that you consider Sold Secure SS301 or a 2* Kitemark handle set. They're a great choice due to their approval by the police and feature an exclusive anti-drill and anti-pick features.

Replacement faceplates

Door keeps and faceplates are the last protection against intruders They tell any would-be burglar that your home is secured which stops them in their tracks. They are crucial and should be purchased at a reputable hardware shop whether in person or online. This will ensure that you receive an item that is durable and will protect your windows and doors from damage and corrosion over time.

It is also important to be aware of the distinctions between multipoint uPVC lock and a single point lock, they could differ just as much as apples from oranges. Depending on which you're installing, you'll have to select the right backset and faceplate, a backset is the distance between the edge of the door and centre of handle or cylinder and a 'faceplate' is the metal strip that covers the edges around mechanisms. These are the most important factors that determine which parts you will need to replace for your new uPVC locking system. Then it's a matter of following the easy instructions for installing them!

Replacement locks

Depending on your preference There are many alternatives available to the replacement of locks for uPVC doors. These locks are designed to withstand force and provide increased security for your home. There are uPVC multipoint door locking systems that can be used in commercial premises as well. These are usually provided by trusted manufacturers such as Fullex center door lock gearboxes and Gardinia doors locks made of uPVC.

When you are choosing a replacement window lock, you must be aware of the type of backset and faceplate you require. Make sure the new lock is compatible with these to make sure it is secure and fits properly. If your lock has a 35mm spindle as well as a backset of 35mm it is recommended to buy a new uPVC handle with a gearbox that fits, such as the Laird Saracen surelock.

You should also make sure that the new lock you choose matches the dimensions of the handle and faceplate holes on your windows. This is vital to ensure a seamless connection of the window lock and handle.

After you have chosen a replacement lock you can then put it in your window. It is a good idea to consult your local locksmith when you are doing this. wythenshawe double glazed door lock replacement will be able help you find the right lock. In the end, you must test the new lock to make sure it's functioning properly.

To prevent this, you must replace your double-glazed windows with a high-quality lock that is resistant to forced entry. This will protect your valuables from a burglary and ensure your family's safety. The replacement of window locks will increase the security of your home at affordable cost. It can be a challenge if you're not familiar with the procedure. To finish the task successfully, you should follow these steps carefully.