Single Double Glazed Window in Lewisham

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Single Double Glazed Window in Lewisham

When changing your house's windows you don't always need to complete the entire home. Occasionally you may just need to have a single window changed, probably as a result of a broken pane or for upgrading to double glazing.

 

It's common for people to replace just one double glazed window. One reason that customers intend to replace one window is that the covered device inside has failed. You'll understand if this has taken place since you'll have the ability to see condensation on the within glass, which gets aggravating since you can not wipe it away. In this case, you can choose to just replace the closed system or the entire frame, which you may want to do if it's looking past its ideal.

 

When you're changing simply one double glazed window, if you recognize the brand of your existing windows you might ask your installer if they can source the same ones. This will help to maintain them looking as similar as possible, although if your existing windows are older you might see some discolouration on the exterior contrasted to the new one, and also locks and also drip vents may look various.

 

Replacing just one double glazed window shouldn't take a qualified window fitter long, and also can cost as low as ₤ 300. It's worth bearing in mind that all replacement windows require to be accredited that they've been installed to fulfill building guidelines, so you'll require to relate to your local building control officer who will certainly come and evaluate the job then release a certification. If you ask an installer who is signed up with a self-certification scheme (like FENSA, CERTAS) to fit the window for you, they can release the certificate themselves when they  have actually completed the job.

We will offer up to four Window Installer pros locally, that will certainly provide quotations for the job you want done. You'll receive a property visit from specialists in Lewisham that'll help you to pick the best uPVC Single Window for your home before performing the installment. Enter your postal code to begin looking now.

Average uPVC Single Window cost in Lewisham

The typical cost of uPVC single window is around £300. Costs fluctuate based on the materials and the organisation used. The upper price range can be as high as £400. The material costs are in most cases around £110

Average price per uPVC Single Window job in 2026

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Avg. price low
£225

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£300

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£345

£500

£375

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Prices based on actual uPVC Single Window costs for Lewisham, as reported by local LeadsDoWork members.

uPVC Single Window installation cost in Lewisham 2026

Labour cost £180
Material cost £110
Waste removal £10
Time frame: 1-2 days
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Lewisham

The London Borough of Lewisham is a London borough in south-east London, England and forms a part of Inner London. The borough wasformed in 1965, by the London Government Act 1963, as an amalgamation of the former area of the Metropolitan Borough of Lewisham along with the Metropolitan Borough of Deptford, which had been established in 1900 as divisions of the County of London. Nonetheless, minor boundary alterations have occurred since its creation. One of the most significant amendments were made in 1996, when the previous part of the Royal Docks in Deptford was transferred from the London Borough of Greenwich.

The local authority is Lewisham London Borough Council and it is based in Catford. The borough covers an overall area of around 13.57 square miles. It's enclosed by the Royal Borough of Greenwich towards the east, the London Borough of Bromley to the south and the London Borough of Southwark towards the west. The River Thames forms a short section of northern boundary together with the Isle of Dogs within the London Borough of Tower Hamlets. Deptford Creek, Pool River, River Quaggy and River Ravensbourne pass through the borough.

Based on population estimates made during 2014, Lewisham is a borough with roughly 291933 permanent residents. Main landmarks consist of All Saints Church in Blackheath, the Citibank Tower in Lewisham and Dietrich Bonhoeffer Church. The Prime Meridian passes through Lewisham. Blackheath, Goldsmiths, University of London and Millwall F.C. are positioned inside the borough.

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uPVC Single Window pros in Lewisham

Kent Glazing Limited

43 review(s)
Based: in Gillingham, ME7 3NE

KENT GLAZING - number one installer throughout the Kent area. Family business - with over 30 years experience - specialising in Double Glazing, Windows, Doors & Conservatories.

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Tari J., ME8
5

uPVC Single Window in Gillingham

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FAQs

Can I fix glass on one side of a double glazed window?

Unfortunately, you can’t fix the glass on one side of a double glazed window. That’s because they’re sealed units – once one pane of glass is broken, that will break the seal and its thermal insulation properties will be lost.

The good news is that if your window frame is still looking great, there’s no need to replace that. You can simply replace the glass in the window, which will cost much less. You can look to spend around £250 on a sealed unit, whereas a whole replacement single window may cost up to £600.

When an installer comes to replace the glass in your double glazed window, they will survey the inside and outside of your home around the window, then move any furniture by the window so they’ve got access. They should then pop a dust sheet down to stop any debris from getting on your floor.

Then, the installer will carefully remove the beads from the frame. They will then lift the glass out of the frame and put it somewhere safe before cleaning out all of the dust and any debris that has found its way into the frame. Using spacers at the bottom of the frame, the installer will make sure that the sealed unit is square in the frame to get a good fit. Once they’re happy, they will replace the beading and make sure it looks perfect before cleaning up their tools.

You could have a go at replacing the glass on a double glazed window yourself, but it’s not recommended. Leave it to the professionals who will know exactly what to do and will be able to do it quickly and safely.

Are coloured double glazing windows more expensive than white ones?

Coloured double glazing windows are more expensive than white ones, in general. uPVC is the cheapest material to use for double glazing, and white is the standard colour. But there are endless possibilities in terms of colours you can have, and they do come at additional cost.

Some people choose to have coloured double glazing that matches or opposes the colour of the exterior of their house. Another popular option is a woodgrain effect, which from a distance looks just like more expensive timber windows. The best thing about a wood effect is that you can have the stylish look of wooden windows without the maintenance, and they should last longer.

While coloured double glazing is more expensive than white ones, it doesn’t have to break the bank. The best thing to do is get in touch with a range of window companies and ask them to come round to give you a quote. They should be able to offer you brochures or links to websites of different brands of windows that offer coloured frames. From there, you can decide on the installers you liked most and the brand you preferred.

It’s worth bearing in mind that it’s not always best to go with the cheapest coloured windows. While there lots of good, inexpensive options out there, sometimes very cheap windows won’t be good quality and may not last as long as other slightly more expensive brands. Speak to your installer about guarantees that may come with the windows and how long they would expect them to last before making your final decision.

Where can I get one double glazed window?

Most window installers will be able to provide you with one double glazed window and fit it for you. If you’re replacing one double glazed window in your home, ask them to try and source the same windows that you already have or find one that’s very similar. Externally, you probably won’t be able to notice the difference, but if your existing windows are very old there may be some exterior discolouration and the locks and handles might look slightly different.

If you want one double glazed window so you can fit it yourself, there are lots of online companies that can supply you with one window. However, window fitting is a skilled trade and you might want to consider whether you have the right tools and experience to fit it yourself. Of course, you’ll save money on installation costs, but if something goes wrong, you might end up shelling out to get it fixed anyway.

The other thing to consider is that any replacement windows need to be certified that they meet Building Regulations. If you fit the double glazed window yourself, you’ll need to apply to your local council building control officer to get a certificate that confirms that you fitted the window within the regulations. You’ll have to pay a fee for this, and it will be even more expensive if Building Control say that the window hasn’t been fitted within the regulations and you have to start again.

The alternative is to ask a reputable window installer that is registered with a self-certification scheme, like FENSA, to install the window. That means that they can self-certify that the window meets building regulations once they’ve finished the installation.

How much does one double glazed window cost?
How much one double glazed window costs is based on a few factors. If you just want to buy the window to install yourself, it will cost less than if you want an installer to fit it for you. If you want to simply buy one double glazed window without installation it could cost anywhere between £100-£300. That’s for a simple casement window, but other types like sash or tilt and turn windows could cost more. It’s recommended that you get a reputable installer to fit your double glazed windows because they’ve had the relevant training and will be able to install it much more quickly. How much it will cost for them to install one double glazed window will very based on your location, the type of window, how difficult the window is to access and whether you choose standard white uPVC or a coloured or woodgrain effect. An average uPVC casement window might cost somewhere between £300-£400, while a dual turn window might cost between £550-£660 to install. Do you really need to replace the entire window? If it’s just the double glazing that needs replacing, for example if it’s misted up inside, this will cost much less. Most window installers or a glazier will be able to just replace the sealed unit inside, and that may cost as little as £250. It’s always best to get a range of quotes from reputable companies so you know you’ve got a great price and you’re sure you’ll get excellent service.

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Lewisham uPVC Single Window pros are rated 4.3 out of 5 on average: 2 rated pros, 66 reviews, of 11 pros covering the area.
The LeadsDoWork rating and review is an overall rating based on verified reviews and feedback from the customers with uPVC Single Window projects that have been connected with uPVC Single Window pros to help them. All uPVC Single Window contractors All Lewisham uPVC Single Window contractors

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