uPVC Double Glazing
Watford - WD25
Enquiry from: Stephanie D
Start Date: Immediate
2+ windows Supply and install
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Watford - WD25
Enquiry from: Stephanie D
Start Date: Immediate
2+ windows Supply and install
London - SW15
Enquiry from: Homayoun F
Start Date: Immediate
2+ windows Supply and install
Greenford - UB6
Enquiry from: Kalyan P
Start Date: Immediate
Quote for windows and doors
Hemel Hempstead - HP3
Enquiry from: Alfie M
Start Date: Immediate
Multiple windows to be Supplied and installed
Windsor - SL4
Enquiry from: Chad F
Start Date: Immediate
Some new windows and a front door
Enfield - EN2
Enquiry from: Ragbier S
Start Date: Immediate
Two glass panels to be replaced in the kitchen
Shepperton - TW17
Enquiry from: Stuart D
Start Date: Immediate
New handle mechanism Second won’t open
London - NW11
Enquiry from: Corinne T
Start Date: Immediate
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Hampton - TW12
Enquiry from: Anthony B
Start Date: Less than one month
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Wembley - HA0
Enquiry from: Tasos K
Start Date: Immediate
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Uxbridge - UB8
Enquiry from: Rajesh A
Start Date: Immediate
Need glass replaced in Velux in GHU S06 loft window
Uxbridge - UB9
Enquiry from: Patricia S
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Barnet - EN5
Enquiry from: Tazeen K
Start Date: Immediate
Considering a range of options 2+ windows Supply and install
Twickenham - TW2
Enquiry from: Ben H
Start Date: Immediate
Fixed picture window with thin frame ideally aluminium but maybe pvc. Dimensions 850mm x 2100mm low‑E, argon-filled glazing and a warm-edge spacer toughen glass
London - N11
Enquiry from: Tanisha L
Start Date: Immediate
Multiple windows Supply and install
St. Albans - AL3
Enquiry from: Gurch N
Start Date: Immediate
Two of our window locks have snapped . These need repairing
Harrow - HA3
Enquiry from: Kalpesh N
Start Date: Immediate
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London - WC1X
Enquiry from: Kim S
Start Date: Immediate
2+ windows Supply and install
Northwood - HA6
Enquiry from: S
Start Date: Immediate
Looking at various options 2+ windows Supply and install
How much do Window Installers cost? Prices for Window Installers in 2026 can differ relying on the kind of task that you require to have performed in your house. It's the inquiry we get asked a whole lot "how much do Window Installers charge?". It's generally very good to have an idea of how much a Window Installer are going to likely charge for their services. Prices will probably rise and fall based upon the products and also the tradesman selected. The table reveals the sorts of service that Window Installers typically do and also the typical cost range of these jobs. Some tasks take longer to complete than others so prices do fluctuate by task.
View our Window Installer cost guide View our Window Installer advice| Window Installer job | Window Installer cost in 2026 |
|---|---|
| Double glazing in Northwood | £988-£3,100 |
| Upvc double glazing units only in Northwood | £575-£900 |
| Triple glazing in Northwood | £988-£3,100 |
| Aluminium windows in Northwood | £1,373-£2,088 |
| Wooden window in Northwood | £3,750-£5,750 |
| Aluminium windows supply only in Northwood | £1,600-£2,500 |
| Upvc or wood porch in Northwood | £2,625-£4,025 |
| Sash window in Northwood | £1,138-£3,600 |
| Glaziers in Northwood | £57-£87 |
| Secondary glazing in Northwood | £988-£3,100 |
| uPVC Single Window in Northwood | £225-£345 |
| Wooden sash windows in Northwood | £3,750-£5,750 |
| Wooden windows supply only in Northwood | £2,760-£4,140 |
| Aluminium repair in Northwood | £240-£360 |
| Window repair in Northwood | £268-£402 |
| Wooden window repair in Northwood | £320-£480 |
To install one small double glazed window, it will take anywhere between two hours and half a day. It will depend on whether one installer is fitting your window or two. And if you’re doing it yourself and don’t have any professional experience, it will take even longer.
When the window fitters arrive, they will make sure they’ve got safe access to the window and move any heavy furniture if they need to. Any good installer will lay down a dust sheet, but it’s a good idea to check that they’ve got one laid down before they start.
The first step any window installer will take is to double check the measurements of the new frame against your existing one. Hopefully it should match up, so then they’ll take the old window out. Then, they’ll insert the new frame into the aperture and bolt it into the concrete. They'll check it with a spirit level to ensure it’s even before moving onto the glass sealed unit.
The installer will place the glass into the aperture, then fit the beads to secure the glass in the frame. They’ll then use silicone and trim on the inside and outside to ensure the window looks perfect. You won’t be able to see where they’ve used sealants or trims because they’ll colour match them so it’s not noticeable. Then, they’ll tidy up all of their tools and the working area and let you know what needs to be done in terms of proving that the window meets building regulations. Most good installers are registered with a self-certification scheme, so will be able to issue a certification once the work is complete.
It depends on a few factors whether a new double glazed window will look different to existing ones. If your existing windows are very old, perhaps 10 years or more, then it’s likely that there will be some small differences.
The first thing to remember is that your double glazing is exposed to the elements as soon as it’s installed. So over time, unless you’re very good at cleaning and maintaining your windows, they’re likely to look a bit dirty. Window frames that are south-facing may also become slightly discoloured from the sun, so if you install a new window right next to it you might notice a difference.
Also, there have been lots of technical advances in windows over the years. If your existing windows are significantly older, you might notice a difference in the handles on openers, and if your existing windows were installed before 2010 they might not have trickle vents, which is an extra strip on the inside of your window to keep air flowing through your home. While it’s not a legal requirement for replacement windows to have trickle vents if the original one didn’t, it’s a good idea to have them installed as they help prevent condensation and mould.
The only truly noticeably different elements to a new double glazed window compared with existing ones are likely to be on the inside, which might not be a problem for you if you only have one window in a room. However, if you know the brand of your existing windows, you can ask your window installer if they can source the same ones. Even if they’ve been updated slightly, the difference should be minimal.
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.
Are you looking to replace your old window for a new double glazed window and wondering what it’s going to be the cost? Well, the double glazed windows market is a very competitive one in the UK with varying prices across the country. Therefore, if you shop around you’re most likely to find something that’ll fit your budget both products and quality wise.
As you would have expected, the more windows you required the more money you are going to spend. However, the cost per window is likely going to be lower depending on the number of windows you purchase. Several double glazed windows come with a 10 year warranty but it’s advisable to also obtain a solid workmanship warranty which provides coverage for any potential problems for a good period of time upon installation.
To determine the cost of double glazed windows, there are so many things to put into consideration that just the primary dimensions of the window itself. Other factors that works to decrease or increase the cost of the project includes the frames’ quality as well as the material used. For example hardwood can be quite high priced when compared to uPVC.
The number of opening windows within the frame can also play a huge role in the cost of the windows as well as the type of the glass. The cost of a double glazing window usually ranges between £100 to £3,200 per window, depending on the available options.
To have a more accurate estimate of the cost of a double glazing window, you’ll need a obtain a survey from a double glazing installer who can take into account any possible complications that may arise when installing your windows while also giving an advise on the most suitable window style for your property.
After fitting your new windows, your installer should take away and dispose of your old windows. If you want to keep them, just let your installer know before they start work. The UPVC frames are melted down and used on the unseen parts of new windows. Aluminium frames are re-smelted and wooden are broken down and used as chipboard.
Are you about to replace your old windows and wondering just how much it’ll cost to have a new one fitted? If yes, then you’ve come to the right place! The question is a very straight forward one, however a direct answer can not be provided as determining window prices for a replacement project can be a very tricky challenge. With a plethora of influencing factors that can play a key role in the price of both materials and labour to be used, it could be extremely hard for a window installer to provide a cost estimate without paying you a visit beforehand.
The factors that can go a long way in determining the price of your new window includes the size of the window, frame material, style chosen, your location, rates charged by the window installer (these rates can be different from an installer to an installer, so it’ll probably be in your best interest to compare quotes to identify the most competitive price) as well as the type of glass required.
Generally, for a small flat featuring four windows, the average cost for new windows would be between the range of £2,100 to £2,300. This range provided covers the cost of double glazed uPVC casement windows as well as the installation price. In the same tone, a home with up to 8 windows will have an average cost for window replacement between the range of £4,400 to £4,600, wile also taking into account the installation price. Whereas a house comprising 10 windows could begin at an average cost of window replacement between the the range of £5,200 to £5,500, and a 15 window home will be between the range of £8,400 to £8,600. it should be noted that the aforementioned figures only include the standard number of windows with a uPVC frame and the installation cost.
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