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Verified ProOver 50 Reviews

Britelite Windows

156 review(s)
Offers services in CHELMSFORD
We fit high quality double glazing and the next generation triple glazing, using only the best materials. Fully guaranteed...
Verified ProOver 50 Reviews

Crystal Windows and Doors

64 review(s)
Offers services in CHELMSFORD
Crystal is a uPVC Windows and Double Glazing manufacturer and installer. We have built a strong reputation in London and t...
Verified Pro

Radiant Design & Build

1 review(s)
Offers services in CHELMSFORD
Radiant Design & Build has been established as a sister company to both Radiant Windows and Universal Aluminium. Concentra...
Verified Pro

Jassi Builders

2 review(s)
Offers services in CHELMSFORD
Hi Jassi Builders LTD here, I am a specialist in planning, designing and building control services. I make sure that I hav...
Verified Pro

DGN Building

0 review(s)
Offers services in CHELMSFORD
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Recent Window Installer Enquiries

10 Feb

Windows | uPVC

Chelmsford - CM3

Enquiry from: Stephen J

Start Date: Immediate

What best describes your living situation? - Homeowner - Sole. How many windows are you considering replacing? - 2. What material do you require, UPVC? - upvc. What colour do you want them to be? - wh...

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16 Jan

Windows | uPVC

Chelmsford - CM2

Enquiry from: Janice P

Start Date: Immediate

What best describes your living situation? - -. How many windows are you considering replacing? - -. What material do you require, UPVC? - -. What colour do you want them to be? - -. Do you require do...

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18 Nov

Windows | uPVC

Chelmsford - CM1

Enquiry from: Allu J

Start Date: Immediate

Customer made an online enquiry for quotes for double glazing replacement via one of our websites. Customer lives in Chelmsford area and is considering a range of options for their home. 2+ window...

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16 Sep

Windows | uPVC | Single Window

Chelmsford - CM1

Enquiry from: Maria A

Start Date: Immediate

are you the home owner of that property? - how many windows are you considering replacing? - what material do you require, upvc? - what colour do you want them to be? - do you require doors if so how ...

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07 Mar

Windows | uPVC | Single Window

Chelmsford - CM1

Enquiry from: Margaret P

Start Date: Immediate

Are you the home owner of that property? - How many windows are you considering replacing? - What material do you require, UPVC? - What colour do you want them to be? - I assume you require them to be...

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27 Feb

Windows | uPVC

Chelmsford - CM2

Enquiry from: Janice P

Start Date: Immediate

Are you the home owner of that property? yes How many windows are you considering replacing? 7 What material do you require, UPVC? upvc What colour do you want them to be? unsure Do you require doors ...

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09 Jan

Windows | Aluminium

Chelmsford - CM1

Enquiry from: Mia A

Start Date: Immediate

Wooden window repair Lead Wooden window repair Lead Wooden window repair Lead Wooden window repair Lead Wooden window repair Lead Wooden window repair Lead

Step by step please 1 day at a time.

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10 Oct

Windows | Glazing

Chelmsford - CM1

Enquiry from: Naomi D

Start Date: Immediate

are you the home owner of that property? yes how many windows are you considering replacing? 1 what material do you require, upvc? upvc what colour do you want them to be? white i assume you require t...

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13 Jun

Windows | uPVC | Single Window

Chelmsford - CM3

Enquiry from: Anna Frank W

Start Date: Immediate

Sell 1 Times Are you the home owner of that property? yes How many windows are you considering replacing? 1 What material do you require, UPVC? UPVC What colour do you want them to be? - I assume you...

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24 May

Building Work | Porch

Chelmsford - CM1

Enquiry from: Simon Y

Start Date: Immediate

sell 1 times are you the home owner of that property? yes are you replacing an existing porch or is this a new build? new build - has 1 side already there - wants porch fully enclosed what material d...

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14 Mar

Windows | uPVC

Chelmsford - CM2

Enquiry from: Nigel D

Start Date: Immediate

Sell 1 Times Are you the home owner of that property? yes How many windows are you considering replacing? 1 What material do you require, UPVC? wood What colour do you want them to be? - Do you requi...

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08 Mar

Windows | uPVC

Chelmsford - CM2

Enquiry from: Sam W

Start Date: Immediate

Sell 1 Times Are you the home owner of that property? YES How many windows are you considering replacing? 4 What material do you require, UPVC? upvc What colour do you want them to be? unsure Do you ...

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01 Feb

Windows | uPVC

Chelmsford - CM1

Enquiry from: Debbie L

Start Date: Immediate

new upvc windows - 1x bay window, 3x bedrooms, 1x kitchen and 1x bathroom. i am looking for quotes for 4+ windows are you the property owner: owner of the property what level of service do you requi...

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16 Jan

Windows | uPVC

Chelmsford - CM2

Enquiry from: Marlene I

Start Date: Immediate

*homeowner 2 windows 1 door upvc supplied and fitted please call to appoint

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09 Jan

Windows | uPVC

Chelmsford - CM2

Enquiry from: Robert K

Start Date: Immediate

Composite Front Door & Frame

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22 Dec

Windows | uPVC | Repair

Chelmsford - CM3

Enquiry from: Ewa S

Start Date: Immediate

problem with two small rectangular windows. one shuts but there is a gap at the top letting the cold in. the other window doesn’t even close, the metal rail is broken and the handle doesn’t work. ...

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21 Dec

Windows | uPVC | Single Window

Chelmsford - CM2

Enquiry from: Tony H

Start Date: Immediate

new front door to replace existing one i am looking for quotes for 1 window are you the property owner: owner of the property what level of service do you require: supply and installation of full un...

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14 Nov

Windows | uPVC

Chelmsford - CM1

Enquiry from: Mary K

Start Date: Immediate

uPVC back door, white frosted half glazed with High Security Multi-Point Locking System, installed

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07 Nov

Windows | uPVC

Chelmsford - CM1

Enquiry from: Steven M

Start Date: Immediate

customer in the chelmsford area made an enquiry a couple of projects including upvc double glazing.call anytime and arrange an appointment to discuss. below is some details about this project: are you...

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07 Nov

Windows | Glazing

Chelmsford - CM1

Enquiry from: Steven M

Start Date: Immediate

secondary glazing for a single downstairs window 48.5cm x 76cm are you the property owner: owner of the property property type: semi detached how many units do you do you require: 1 window what level ...

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How much do Window Installer services cost?

How much do Window Installers cost? Prices for Window Installers in 2025 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

The average price
of a Window Installer in Chelmsford is:

£2,082

Window Installer job Window Installer cost in 2025
Double glazing in Chelmsford £1,500-£5,000
Upvc double glazing units only in Chelmsford £800-£1,200
Triple glazing in Chelmsford £1,500-£5,000
Aluminium windows in Chelmsford £1,875-£2,875
Wooden window in Chelmsford £3,750-£5,750
Aluminium windows supply only in Chelmsford £2,600-£3,900
Upvc or wood porch in Chelmsford £2,625-£4,025
Sash window in Chelmsford £1,800-£6,000
Glaziers in Chelmsford £57-£87
Secondary glazing in Chelmsford £1,500-£5,000
uPVC Single Window in Chelmsford £225-£345
Wooden sash windows in Chelmsford £3,750-£5,750
Wooden windows supply only in Chelmsford £2,760-£4,140
Aluminium repair in Chelmsford £240-£360
Window repair in Chelmsford £268-£402
Wooden window repair in Chelmsford £320-£480

Related Window Installer searches in Chelmsford

Window Installer FAQs

how much is double glazing?

Double glazed windows are one of the most popular window options for home and property owners in the United Kingdom and reasonably so. They are able to offer a wide range of benefits to home owners which includes being energy efficient, reducing the build up of condensation on windows and black mould growth, significantly reducing background noise for a better relaxation or night rest, increasing the value of your property as well as adding to the aesthetic appeal of your home. So if you’ve decided to lay your hands on a double glazed window, you’d probably also like to know how much it’s going to cost. Well, providing a simple and accurate answer to the question of double glazing window cost is almost impossible as there are so many factors that influences the price including the materials and style.

Several suppliers usually provide the list of their double glazing windows on their websites, however these prices are only for basic off the shelf window and most often without the installation cost. Furthermore, if you require some special features to your double glazed window, then this will also tell on the total cost of the window.

So how much will a double glazing window cost? 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.

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:
  1. 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.
  2. 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!
  3. 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.
  4. 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.
  5. 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.
  6. 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.
Are A-rated windows worthwhile?

On the grand scale of things there isn’t a huge difference between B-rated windows and A-rated windows. Consumer watchdog Which? have calculated an extra 6.5% would be saved on energy bills with A rather than B rated panes. Be aware that A rated windows are slightly more expensive, however.

how much are new windows?

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.

Should I get all my windows replaced at once?

You don’t have to, especially if you’re on a budget. If you’re only replacing some, it’s a good idea to get all the windows on one side of your property replaced at the same time, so they all look the same. Be aware, obviously, huge savings could be had by having a number of windows replaced at the same time.

What is the Window Energy Rating (WER)?

The energy efficiency of windows is measured using ratings, varying from A, the most efficient, to G, the least efficient. This scheme is run by the British Fenestration Council (BFRC). To comply with Building Regulations you’ll need windows of energy efficiency at least level C.

How to fit aluminium double glazed window?

Whether you’re hiring a professional to replace your double glazing or are considering DIY, it’s a good idea to know how to fit a double glazed window.

You need to start by assembling your window. Fit any handles and cut the outer sill to size by measuring the outer wall depth. Then, screw the outer sill to the window frame and attach the frame fixers. Screw the ventilation grilles onto the inside of the frame and fix the vents on.

Next, you need put the window into place, using spacers to wedge it in. Use a spirit level to check it’s level horizontally and vertically, adding extra spacers if needed. Then, fix the frame into place at each fixing point using a drill, wall plugs and screws. Measure and cut the interior sill, and check that it’s level, adding spacers if needed. Then fix it using screws, masonry nails or adhesive.

Finally, fill in any wide gaps with foam filler and small gaps with sealant. You can get interior and exterior trims to cover these up, making your window look neat and professional.

how long does double glazing last?

Just like every other thing in your house, your double glazed windows have an expected lifespan attached to it as it gradually becomes less functional and less efficient over time. Although there are actually top quality windows which are able to last a very long time, but the fact still remains that nothing can stand the test of time or last forever. Even the best quality double glazed windows will eventually need to be replaced at some point. So exactly how long do double glazing windows last before need a replacement?

To make it brief, most double glazing window units are typically expected to last an average of 20 years. This number of years can, however, vary within the range of 10 to 35 years based on the several factors such as the type, quality of materials as well as installation and where the windows are located.

The reason for the depreciation in double glazing windows is, over time, the windows may be subjected to some wear, tear as well as all kinds of minor damages which includes gas filled insulated glazing unit slowly and gradually leaking. According to the Centre for Sustainable Energy, the evaporation of 25 percent of gas will ultimately minimize the windows’ thermal performance. And when this occurs, fitting a secondary glazing measure or replacing the windows should be put into consideration.

Another factor leading to the gradual depreciation in double glazing windows over time has to do with condensation. When the window collects between the layers of glass due to the failure of the seal of the perimeter and the saturation of the desiccant, can only be solved by IGU replacement.

And finally, the ravages of time also has a way of taking its toll on double glazing windows. This can happen in so many ways such that the window becomes a lot less efficient and later needing to be replaced.

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