How To Adjust UPVC Doors To Stop Draughts

Twp front uPVC coloured blue doors during christmas and snow time, winter, well designed

Having draught in your home is a real pain in the neck because aside from raising your energy bills, it can also affect your home’s ventilation. However, you may be surprised that doors are the main culprits in this issue. Are you completely fed-up of the draughts that keep ruining your home’s environment? Thankfully there’s a solution! In this article, we will walk you through the process of adjusting uPVC doors to stop draught. 

According to recent research, it is estimated that roughly 44% of the homes in the UK suffer from draughts which is a significant cause of heat loss and high energy bills. Multiple draught spots in a house can contribute to the chill of our homes, but the doors are one of the most prone into it. But carrying out some adjustments can help you get rid of the draught problems. 

But before we jump into it, it would be best to consider how to assess your uPVC door if it needs adjustment so you can resolve it right off the bat.  

How Do You know If Your Door Needs Adjustment?

It’s always better to check what causes the problem with your door before adjusting it. You can start by checking if there are any obstructions at the bottom of the door frame, such as stone or dirt. If there are dirt and debris, you should clean it before adjusting the door to make sure that it will not cause another problem. 

Carefully check if there are any damages to the edges of your uPVC door which will likely occur as your door gets older. If you found broken seals or damage to the door or its frame, you may need to have a replacement. P & J Windows doesn’t just offer a vast range of uPVC doors; we also provide composite doors that are durable and not prone to draught. 


There are a lot of ways to make sure that your door still serves you well and checking if the door is out of alignment is a good place to start. To achieve this, you should begin by checking and searching for cracks and gaps in the seal and make sure that the hinges are in place. It is probably one of the basics, but it is also essential. 


If you notice some problem with the door seal, you may need to repair the seal or fit a new weather seal in your door to stop air from getting through into your home. Sealing is essential to make your house more comfortable, so it is something that you should not overlook. 

There are various types of weather seals that are available out there. Thus, it is essential to understand what fits your uPVC door. If you are knowledgeable with it, then you can take your time in sorting it out and installing it, but if you’re not capable of such task, we recommend hiring professionals who can complete it the right way. 

It is also necessary to check if there are noticeable problems in the exterior of your door. If you found no issue in it, then the problem might have something to do with the door’s function. If it’s not closing the way it should, then draughts will have plenty of room to come through.

How to Adjust uPVC Doors?

Here’s the step-by-step procedure in adjusting your uPVC doors to prevent draughts and keep the warm air in your home.


The first thing to do is to check if there is anything that blocks the door. If you’ve observed debris in the bottom of the door or drainage holes, make sure to remove it to ensure that the door is free from obstruction. 


If your door is now free of obstruction but still causes draughts, you should try the final method, which is to readjust the alignment of your door. You can do it adjusting the flag hinge on the door:

Step 1. Removing the Plug on the Flag Hinge 

Take off the plastics plug on the centre of the hinge in the middle of your uPVC door. You can do it by using either a Flathead and Phillips Head screwdriver that fits, or manually by hands if required. 

Step 2. Adjusting the Door

You may then search for an Allen key spot and if you found one, insert the Allen key to the hole and turn it to adjust the door- you’ll be able to see the door moving back towards the frame. You may need to do this to the top and bottom hinges as well.

Step 3. Repeat the Process for the Remaining Door Hinges

Repeat the same process on other door hinges until the door becomes properly balanced. If adjustment of the flag hinge doesn’t solve the issue, start adjusting the butt hinge. It has the same process with flag hinge, but newer doors may require screwdriver instead of Allan Key.

Need to Upgrade for a Better Solution?

If you’ve been covering draughts from time to time and got fed up by this problem, upgrading to a higher quality composite door is likely the ideal solution for you. It is designed to boost your energy efficiency and is thermally efficient with durable and robust construction. What’s more? It comes with anti-draught technology and 5-point locking system for a secure home. 

It is also made from a reinforced plastic that doesn’t warp or crack. Aside from increasing the warmth of your home and added security, a composite door is an excellent investment that can serve you for years to come. It is available in a vast range of colours and styles here in Hardings Windows, and it’s incredibly easy to design that perfect door with all the whole composite range available. 

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