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 Haywards Heath

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Replacement Glass (Glazing) in Haywards Heath

Are you trying to find Glaziers in Haywards Heath? Our network of glaziers can aid with your job. All of our Window Installer in Haywards Heath are inspected so you can see local testimonials, when business was founded, rankings, approval as well as rate enabling you to make the appropriate decision on who to work with. Allow us take the trouble out of finding up to 4 pros for your Glaziers project.

Glaziers reduced, form and also set up glass for a selection of reasons consisting of windows, showers as well as mirrors. It's a really specialist trade and also shouldn't be attempted by an amateur.

Glaziers can be needed for both residential as well as industrial glass installations as well as whatever your glazing needs; you'll have the ability to locate support from these qualified tradesmen.

Why would I need a glazier?

One of one of the most preferred reasons for requiring a glazier would certainly be to change a smashed window pane. Glaziers will certainly be able to reduce and form the pane promptly and efficiently to boost your home's security as well as alleviate your mind.

We will offer approximately four Glaziers pros in your area, that will certainly supply quotes for the work you desire done. You'll receive a home visit from specialists in Haywards Heath who'll assist you to choose the right Glaziers for your home prior to performing the setup. Enter your postcode to begin browsing now.

Average Glaziers cost in Haywards Heath

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 Haywards Heath, as reported by local LeadsDoWork members.

Glaziers installation cost in Haywards Heath 2025

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

Time frame: 1 day

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Glaziers Projects in Haywards Heath in January 2025

757

Requests for quotations in Haywards Heath in January 2025

0

Requests for Glaziers quotations in Haywards Heath in January 2025. 0% change from December 2024.

0

Requests for Glaziers quotations in West Sussex in January 2025. 0% change from December 2024.

Source: Numbers calculated based on the search volumes in major search engines

Glaziers searches in cities and towns near Haywards Heath January 2025

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Haywards Heath

Haywards Heath is a town within the Mid Sussex District of West Sussex, within the historical county of Sussex. West Sussex is a popular area for commuters simply because of its proximity to the capital city of London as well as very good train connections.

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Similar Customer Enquiries for Glaziers in Haywards Heath

07 Apr

Windows | Glazing

Haywards Heath - RH16

Enquiry from: John B

Start Date: Immediate

Mick , you fitted my back door . In 2021 but I've misplaced your number. Do you do bi-fold doors to replace patio doors .

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25 Jan

Windows | Glazing

Haywards Heath - RH16

Enquiry from: Sithembile M

Start Date: Immediate

customer is looking to get quotes for replacement double glazing. multiple windows supply and install please call to quote. are you the property owner: owner of the property what level of service do ...

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17 Sep

Windows | Glazing

Haywards Heath - RH16

Enquiry from: Emma M

Start Date: Immediate

kitchen window smashed glass need replace are you the property owner: tenant (with permission) property type: terrace are you looking for glaziers: yes how many units do you do you require: 1 window w...

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06 Jul

Windows | Glazing

Haywards Heath - RH16

Enquiry from: Malcolm W

Start Date: Immediate

pass: 4 - call anytime. type of window / door: double glazed glass replacement only: yes number of windows requiring repair: 1 number of doors requiring repair: 0 other repair required: no q...

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20 Aug

Windows | Glazing

Haywards Heath - RH17

Enquiry from: Lisa O

Start Date: Immediate

Looking to upgrade window panes to acoustic whilst still utilizing existing frames - 3 windows. I am looking for quotes for 2-3 Windows Are you the property owner: Owner of the property What level o...

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15 Jan

Windows | Glazing

Haywards Heath - RH16

Enquiry from: Sophie G

Start Date: Less than one month

To replace cracked window Are you the property owner: Owner of the property How many windows do you need: 1-2 Windows What work do you require: Repair/Glazier Window Material: uPVC Do you live in a c...

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29 Nov

Windows | Glazing

Haywards Heath - RH16

Enquiry from: Derek H

Start Date: Immediate

Re-seal round double glazing units where mastic has perished.

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16 Jan

Windows | Glazing

Lewes - BN7

Enquiry from: Alice B

Start Date: Immediate

the property's a 3rd floor flat, leasehold. has said as long as she's not removing or replacing existing windows, adding secondary glazing should be fine. there are other flats that've had secondary g...

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24 Nov

Windows | Glazing

Brighton - BN1

Enquiry from: Fiona T

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 request...

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18 Oct

Windows | Glazing

Brighton - BN2

Enquiry from: Michael G

Start Date: Immediate

call any time. type of window / door: secondary glazing glass replacement only: no number of windows requiring repair: 1 number of doors requiring repair: 0 other repair required: no quote re...

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18 Feb

Windows | Glazing

Brighton - BN1

Enquiry from: Alexis S

Start Date: Immediate

one small side window is letting in damp,also want the locks checked on other windows as they are stiff

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20 Oct

Windows | Glazing

Brighton - BN2

Enquiry from: Paul L

Start Date: Immediate

hello - i am looking to have a bathroom window replaced (current upvc one has broken frame and handle) its anout 75cmx75cm and want double glazed and tilt, turn, rotate etc. as am 4 stories up the fit...

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06 Sep

Windows | Glazing

Brighton - BN41

Enquiry from: Yanni B

Start Date: Immediate

customer needs a bay window repairing as the struts are showing, it may possibly need replacing. call any time. type of window / door: 1 bay window glass replacement only: no number of windows ...

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02 Jul

Windows | Glazing

Brighton - BN42

Enquiry from: Alexander C

Start Date: Immediate

small double glazed bedroom window has large crack. will need replacing. are you the property owner: tenant (with permission) property type: other how many units do you do you require: 1 window are yo...

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24 Jun

Windows | Glazing

Brighton - BN2

Enquiry from: Sally J

Start Date: Immediate

the lock of an upstairs window is jammed and shut and needs to replaced. is that something you could do? many thanks

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21 Jun

Windows | Glazing

Brighton - BN1

Enquiry from: Christa W

Start Date: Immediate

my cottage is rented. i have 3 blown (misted) double glazed windows which needs repairing. and as well the window handles need checking & some need to be fixed. are you the property owner: owner of t...

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20 Jun

Windows | Glazing

Shoreham-by-Sea - BN43

Enquiry from: Andrew D

Start Date: Immediate

Hi. I need replacement glass and fitting for one pane of Victoria sash window. The glass is broken. Cheers Andy

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18 Jun

Windows | Glazing

Brighton - BN42

Enquiry from: Alexander C

Start Date: Immediate

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21 May

Windows | Glazing

Shoreham-by-Sea - BN43

Enquiry from: Linzi N

Start Date: Immediate

Outer Paine of kitchen window smashed just outer Paine needed to be repaired

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12 May

Windows | Glazing

Brighton - BN41

Enquiry from: Juan R

Start Date: Immediate

Hi, The glass of one of our windows has cracked. we are looking to replace it and I am interested to receive a quote. Where can I send photo? Thanks. Juan

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FAQs

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.

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.

You can end up with a cracked glass window in a few ways. The most common one is when a rogue stone in the lawnmower hits the window or someone’s cricket or tennis game goes wrong and you end up with a ball through the window. Youi often end up with a ‘bullseye’ type crack that expands out from the point of impact. You can also get pressure and stress cracks from intense fluctuations in pressure and temperature. Unfortunately, there’s no way you can permanently fix cracked windows without replacing the entire sealed unit. An installer can replace a cracked glass window in less than an hour simply by taking out the sealed unit (the two panes of glass in double glazed windows) and replacing it with a new one. It costs an average of £110, but you could try to do it yourself for around £55. But what if you can’t get an installer to fix your window straight away? There is a DIY method you could try. As a temporary fix for your glass window, you can use a solvent-based adhesive like epoxy which will keep the glass intact and prevent further damage. You’ll also need:

Washing up liquid
Glass cleaner
A lint-free cloth or rag
A putty knife
A paper plate
Acetone

First, you’ll want to clean the glass using the washing up liquid and a damp cloth to remove any dust or oils. Leave it for a few minutes to dry, then create a mixture of epoxy by combining the hardener and the resin and stirring it on a paper plate. Using the putty knife, spread the mixture on the cracks, making sure you press gently to fill them. Leave it for at least 5 minutes to dry, then get rid of any excess by using some acetone on a dry cloth. Clean the window using some glass cleaner and another dry cloth, and you should have a temporary fix!

You can only repair blown double glazed windows in the sense that you can replace the sealed unit (the glass part of the window) instead of having to replace the entire window.

When a double glazed window is blown, it means that the seal around the window has failed and is now letting air in and out. Often the first sign that the sealed unit has blown is condensation on the inside of the window, which is annoying since there’s no way to get rid of it! When your sealed unit has blown, you’ll be losing heat out of the window, meaning you could be spending more on your energy bills.

As a temporary fix, you could see if you can buy a misting repair kit online, but the condensation will eventually occur again as the air gets in. The best thing to do is ask a window installer or glazier to replace the sealed unit for you.

It's simple to replace the glass in a window – the specialist will remove the beading around the window, remove the blown glass from your window frame and set it to one side. They will then clean up around the frame before adding spacers in, then fitting the new sealed unit into the frame. They’ll make sure it’s a snug fit before replacing the beading back around the window to secure it.

There's no reason to put off repairing a blown double glazed window since the cost is generally much less than replacing the entire thing. A sealed unit with installation costs an average of £100, whereas a completely new window will cost around £400. You’ll soon notice that it’s less draughty and will be able see out of your window once you’ve had the blown glass replaced.

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Customer Reviews

Overall rating:

Haywards Heath Glaziers installers are rated 5 out of 5 based on 2 reviews of 9 pros.

The LeadsDoWork rating and review is an overall rating based on verified reviews and feedback from the customers with Glaziers projects that have been connected with Glaziers pros to help them. All Glaziers contractors All Haywards Heath Glaziers contractors

Need more help?

Replacement of Single Glass Panel in Fitted Wardrobe, North Berwick EH39 Published: 19/12/2024 Glass replacement in a fitted wardrobe at a property in Sainthill Court, North Berwick EH39. Approximate dimensions of the glass panel are 7 feet 6 inches by 1 foot 6 inches. Expert glazing services required for supply and fit. Read this article

Replacement glass panel for patio door in Chester Published: 03/12/2024 Professional replacement of a broken patio door panel for Staybrite windows in Chester, restoring safety and functionality after emergency damage. Read this article

Replacing glass in a double-glazed window in Nottingham Published: 03/12/2024 Professional glass replacement for a double-glazed window in Nottingham, restoring efficiency and clarity with minimal disruption. Read this article

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