How to replace the glass in a uPVC window?

It’s not too difficult to replace the glass in a uPVC window, so if you’re a confident DIYer you could have a go at this yourself. We’ll go through the main steps on how to replace the sealed unit in a uPVC double glazed window: Using a rubber mallet and a strong pallet knife, remove the beading around the window. You might think they’re part of the frame, but they’re actually separate on the inside of the frame and can be taken out by using pallet knife to prize them out. Start with one of the longest beads first and leave the top bead until last. Give the glass a little tap to loosen it if it doesn’t come out straight away, then the whole unit should slide out easily. Just make sure it falls towards you and not back out onto the ground below! Clear any debris that has found its way into the frame with a brush. Add spacers at the bottom of the frame – these could be pieces of plastic. Get your new sealed unit (make sure you measure the glass before you buy one so you know which size to get) and carefully take it out of the packaging. Look for the British Standard mark – that shows you the bottom of the glass. Lift the glass into the frame, starting with the bottom first, and make sure that it fits square in the frame before taking the spacers out. Use a little washing up liquid to spread along the beads to make it easier when you slide them back into the frame. If they simply push and clip back in, you can use something like a block of wood to help you push them in correctly. Put them back in reverse order to how you took them out. And there you go! If you’re feeling confident you can have a go at replacing the glass in your uPVC window yourself. But if you’ve got any worries, leave it to a window installer who will be able to do it in less than an hour.

Replacement Glass (Glazing) in Bexleyheath

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Replacement Glass (Glazing) in Bexleyheath

Are you looking for Glaziers in Bexleyheath? Our network of glaziers can assist with your project. All of our Window Installer in Bexleyheath are examined so you can see local honest reviews, when business was opened, ratings, approval and price allowing you to make the best choice on who to employ. Let us take the hassle out of locating up to 4 experts for your Glaziers task.

Glaziers reduced, form as well as install glass for a selection of factors consisting of windows, showers and also mirrors. It's a really specialist profession as well as should not be tried by an amateur.

Glaziers can be needed for both residential and industrial glass installations and also whatever your glazing requires; you'll be able to find support from these qualified tradesmen.

Why would certainly I need a glazier?

One of one of the most preferred factors for needing a glazier would be to change a smashed window pane. Glaziers will certainly have the ability to cut and also form the pane rapidly as well as successfully to boost your home's protection and also ease your mind.

We will provide as much as 4 Glaziers pros locally, that will certainly offer quotes for the job you desire done. You'll receive a property visit from experts in Bexleyheath who'll assist you to pick the best Glaziers for your house before accomplishing the setup. Enter your postal code to begin looking currently.

Average Glaziers cost in Bexleyheath

The regular cost of Glaziers is £75. Costs alter based on the materials and the business picked. The upper price range can be as high as £86.25. The material costs are in most cases approximately £18.75

Average price per Glaziers job in 2025

Avg. price low	Avg. price low £57
Avg. price	Avg. price £75
Avg. price high	Avg. price high £87

£200

£150

£100

£50

£0

Prices based on actual Glaziers costs for Bexleyheath, as reported by local LeadsDoWork members.

Glaziers installation cost in Bexleyheath 2025

	Labour cost	£53
	Material cost	£19
	Waste removal	£4

Time frame: 1 day

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Glaziers Projects in Bexleyheath in May 2025

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Requests for quotations in Bexleyheath in May 2025

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Requests for Glaziers quotations in Bexleyheath in May 2025. 0% change from April 2025.

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Glaziers searches in cities and towns near Bexleyheath May 2025

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Bexleyheath

Bexleyheath is one of London's thirty five major centres and is found towards the south east of the capital having a population more than 50,000. The Bexleyheath region has been through a lot of redevelopment in recent years to the main centre and surrounding towns. Almost all housing to the north of the region are 1930s semi-detached households, other than bungalows located near the railway station. To enhance your household in Bexleyheath, ensure just to use vetted and reliable trade specialists to get the most from your money.

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Similar Customer Enquiries for Glaziers in Bexleyheath

03 May

Windows | Glazing

Bexleyheath - DA7

Enquiry from: Bafunke A

Start Date: Immediate

Call back anytime. Type of window / door: Windows Glass replacement only: Yes Number of windows requiring repair: 3 Number of doors requiring repair: 0 Other repair required: no Quote requ...

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24 Oct

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Bexleyheath - DA7

Enquiry from: Roshan H

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quote is for secondary glazing. call back anytime. type of window / door: window glass replacement only: no number of windows requiring repair: 1 number of doors requiring repair: 0 other re...

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09 Feb

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Bexleyheath - DA7

Enquiry from: Raymond S

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replace sealed unit 47cm x 76cm lead window in wooden frame are you the property owner: owner of the property what level of service do you require: repair/glass only how many windows do you need: 1 wi...

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14 Aug

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Bexleyheath - DA6

Enquiry from: Glenda C

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29 May

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London - SW18

Enquiry from: Daniela F

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23 Apr

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28 Sep

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09 Sep

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Enquiry from: Ed A

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Customer is interested in Secondary Glazing. Call back anytime. Type of window / door: Windows Glass replacement only: No Number of windows requiring repair: 4 Number of doors requiring repair:...

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24 Oct

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Enquiry from: Raj P

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29 Sep

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07 Apr

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17 Feb

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10 Nov

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Enquiry from: Ally L

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FAQs

Whether you need toughened glass in your windows depends on where the windows are in your home or business. Toughened glass is sometimes referred to as tempered or safety glass, and it just means it’s stronger than the standard glass that’s usually offered with double glazed windows. So how do you know if you need it?

Toughened glass is useful in areas of your home where you might come into contact with the windows if you were to trip and fall. If you put your hands out to steady yourself on standard glass the chances are it would break into large sharp pieces with jagged edges. Of course, this means that you could seriously cut yourself if this were to happen. With toughened glass, the structure of the glass is changed so that if it breaks it shatters into lots of tiny pieces, minimising the risk to you if you were to fall on it.

You might want to use toughened glass in patio doors, low windows or frames next to doors. It just means that you will be safer if the unlikely happens and you or a family member falls through the glass. There are certain requirements through Building Regulations with windows at a certain level, but any reputable window installer should be able to go through these with you if you need to replace your windows with toughened glass. The regulations will only apply to new windows – there's no need to switch your windows to toughened glass early, but when you do come to replace them you’ll need to make sure they meet the standard.

It’s not too difficult to replace the glass in a uPVC window, so if you’re a confident DIYer you could have a go at this yourself. We’ll go through the main steps on how to replace the sealed unit in a uPVC double glazed window:

Using a rubber mallet and a strong pallet knife, remove the beading around the window. You might think they’re part of the frame, but they’re actually separate on the inside of the frame and can be taken out by using pallet knife to prize them out. Start with one of the longest beads first and leave the top bead until last.
Give the glass a little tap to loosen it if it doesn’t come out straight away, then the whole unit should slide out easily. Just make sure it falls towards you and not back out onto the ground below!
Clear any debris that has found its way into the frame with a brush. Add spacers at the bottom of the frame – these could be pieces of plastic.
Get your new sealed unit (make sure you measure the glass before you buy one so you know which size to get) and carefully take it out of the packaging. Look for the British Standard mark – that shows you the bottom of the glass.
Lift the glass into the frame, starting with the bottom first, and make sure that it fits square in the frame before taking the spacers out.
Use a little washing up liquid to spread along the beads to make it easier when you slide them back into the frame. If they simply push and clip back in, you can use something like a block of wood to help you push them in correctly. Put them back in reverse order to how you took them out.

And there you go! If you’re feeling confident you can have a go at replacing the glass in your uPVC window yourself. But if you’ve got any worries, leave it to a window installer who will be able to do it in less than an hour.

Accidents happen, and sometimes windows get broken. And that will lead to you wanting to replace just the glass in your window, rather than the whole frame. Also, as windows get older they can mist up on the inside, which means that the unit has ‘blown’ - so you’ll also need to replace the glass. But how much is it to replace the glass in a window? Luckily, if the frame of your window is in good condition, there’s no need to replace it, and this will reduce the cost. For an installer to fit a new pane of glass in a single glazed window, the average cost is £100, while a replacement double glazed sealed unit will cost an average of £110. Of course, as this is an average, if your window is very large you may spend more, and if your window is very small the price may be less. That's why it’s important to get a range of quotes so you can compare costs and get the best price. If you’re good at DIY, you may feel confident enough to have a go at replacing the glass in your window yourself. In that case, the cost of sealed unit and any other materials you need will cost an average of £57. It’s a significant saving, and if you think you can do it, then give it a try. However, if you’re in any way unsure, it’s best to leave it to the professionals. A window installer will be able to replace the glass in your window in less than an hour. Even though it costs more for a professional to do it, if you get it wrong and have to start over it will cost you more in the long run.

If the glass in your window has been damaged, you might only need to replace that rather than your whole window frame. Common reasons for needing to replace the glass in your window include:

The glass has smashed from an impact such as a stone hitting it from a lawnmower
You have been broken into and suspects used the window to gain entry
The glass has blown (lost its airtightness) from constant water build-up around the seals, which is common in bathrooms
Extreme weather or pressure changes have caused a crack

If your frames are still intact and there’s nothing wrong with your window’s locks or trims, there’s no reason why you can’t just replace the sealed unit in your window. To help with the quotation process, a window installer may ask you to measure the glass for your window replacement. It’s pretty simple to just measure the sealed unit inside your window. There are just 3 steps you need to take:

Including the beading (the plastic and rubber seals around the windows that can be removed), measure the width of the window frame.
Do the same for the height of the window, making sure you include the beading.
Then, take 10mm off each measurement, and you have the approximate size of your glass.

A reputable window installer will still make their own measurements before confirming the size of the glass in your window and going ahead and ordering the replacement. Make sure you get a range of quotes from local and national installers so you can compare the price and their quotation process.

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