We also use third-party cookies that help us analyze and understand how you use this website. These cookies do not store any personal information. You will also need a drill with reverse capability. Over time locks do deteriorate due to hard wear and tear, especially if you’ve had your door for more than 20-30 years. Multipoint locks have one lock cylinder, which may be convenient for you, but it makes it a bit easier for problems with it to occur. Remove the lock and send it back to the store you bought it from. wikiHow marks an article as reader-approved once it receives enough positive feedback. Having a broken door lock can be a burden and quite costly to fix. The opposite—being too loose—can also mean the same thing. Necessary cookies are absolutely essential for the website to function properly. These window locks have been primarily used on uPVC windows although they have also been fitted to timber windows occasionally. So take a good look to find it. With 30 years' experience in the home improvement industry, you can imagine how many homes and businesses we've installed high-quality, energy efficient windows and doors on. What should I do? Allow the cam tongue to position itself by turning the key ever so slightly. Please consider making a contribution to wikiHow today. Here’s What to Do! DIY uPVC lock replacement is possible if you have the knowledge and the right tools. A locksmith should be able to easily fix your new gearbox in your door. I have a loose conservatory door handle and there are no visible screws or fixings, so I cannot move it. Find a professional to take care of your uPVC faulty door lock mechanism. Most uPVC doors use a locking mechanism known as the multipoint locking mechanism. You’ll need a drill, a screwdriver, tape measure, a rubber mallet. Will a different make of cylinder take the same key? UPVC door locking mechanism problems are very common in old doors and there are many reasons why you may notice your UPVC door lock stuck shut. This can be quite complex to fix or replace as it really depends on the type of door and manufacturer. This tightens the loose door handle and your door should now work properly. This tests to see if the lock cylinder is secured in place. With the help of this simple guide, I did the job myself for $20. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. Your email address will not be published. Visit Advice Centre Contact Us. Mon to Fri - 8am to 5pm. Lock mechanisms see a lot of usage, which makes them prone to various problems. Multipoint locks have one lock cylinder, which may be convenient for you, but it makes it a bit easier for problems with it to occur. Every door has its own unique gearbox, so it’s important to purchase the right mechanism for your door. Yes, I actually have one like that now. To help you find your UPVC doors' original multipoint system, it is important that you identify the brand of your lock, followed by finding the Backset and Centre measurements. ", "Saved me nearly 300 pounds with easy-to-follow instructions.". Always try and replace your old gearbox with the exact same size and brand. All rights reserved. Check the door handle to see if it is loose. How to open a uPVC door with a broken gearbox? Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Do not try to force it open. These cookies will be stored in your browser only with your consent. If the uPVC door lock mechanism is sticking, the reason can be unlubricated or broken internal hinges. You are essentially reversing the steps you took to remove the original lock cylinder. This is due to the fact that there are so many types, designs, and parts in multipoint mechanisms, which can pose a challenge to locksmiths if they have not encountered it before. The same thing applies when lock movement is loose or goes around more than it should. At some point or another, you may find yourself needing to replace an existing door lock. We'll assume you're ok with this, but you can opt-out if you wish. Any lock type can become damaged after some time and usage. The selection we offer covers the most common types used over the last 30 years. Replace uPVC Door Lock Mechanism. You’ll also find different styles on the market, including brass and chrome plate, but choosing the style of your replacement really depends on your personal taste. For euro-cylinder lock changes on uPVC doors, our services start at as low as £75. Your replacement upvc door lock is now in place and you can test it by turning the key left and right a number of times, whilst gently pulling on the key when it is turned. But aside from the huge inconvenience of not being able to get in and out of your home easily, it also presents a security risk as well as a potential fire safety hazard. Identifying your UPVC or composite door lock can be a difficult task. wikiHow is where trusted research and expert knowledge come together. You can test this easily and rule it out. All tip submissions are carefully reviewed before being published. When you locate the screws or screw, tighten it with a screwdriver. Next, once the cylinder is loose, pull it out of the socket it's in and take the key out. Find the fixing screw, which is usually positioned on the lock plate in between both sides of the lock. This should happen as you continue to pull on the key as you turn it slightly. Prime Alert, a 24-hour locksmith service in London, lists several signs for each part that indicate the uPVC door mechanisms need to be inspected soon. Once the cam tongue is aligned with the body of the lock, you should begin to feel the cylinder free and move towards you. PayPal accepted online. To measure the length of the cylinder, measure horizontally across the width edge of the door, from one keyhole to the other (interior keyhole to the exterior keyhole). In fact, if you’re not experienced enough and want to change your first lock, you may end up causing more damage and spending more money on fixing the problem than the initial lock replacement would have cost you. If the handle is stiff or requires additional effort, it usually means something may have been dislodged or broken inside the mechanism. This part takes a little bit of trial and error, so try turning the key both directions. And for people who don’t know what they’re doing, this can be a very complex task. For sales & advice. Although they come in various shapes and sizes, the function of multipoint door locks is to give extra security to doors by bolting it to the frame at multiple points rather than just one.