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Verified Pro
Concept Windows & Conservatories is a family run company. Established in 1987 we specialise in the installation of high qu...
Verified Pro

Jassi Builders

2 review(s)
Offers services in HARROW
Hi Jassi Builders LTD here, I am a specialist in planning, designing and building control services. I make sure that I hav...
Verified Pro
All accesss solutions with over 20 years experience fast and friendly service we aim to please !!!
Verified Pro

StormSeal uPVC Windows

0 review(s)
Offers services in HARROW
StormSeal offers a personal and carefully managed service for every customer, helping homeowners improve their property wi...
Verified Pro

T&Q; / MASTER HANDYMAN

0 review(s)
Offers services in HARROW
T&Q / Master Handyman Ltd is a reliable and experienced construction and handyman company providing high-quality services ...

Recent Window Installer Enquiries

07 Jul

Windows | uPVC

Harrow - HA3

Enquiry from: Kalpesh N

Start Date: Immediate

Call anytime. Number of windows: 7 Number of doors: 2 Quote requested on windows and doors, in PVCu, to be supplied and fitted.

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11 May

Windows | uPVC

Harrow - HA3

Enquiry from: Salah A

Start Date: Immediate

Customer in Harrow area made an enquiry for double glazing online. 2+ windows Supply and install Please call to arrange an appointment to discuss options

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12 Jan

Windows | uPVC

Harrow - HA3

Enquiry from: Seema S

Start Date: Immediate

What best describes your living situation? - Homeowner - Sole. How many windows are you considering replacing? - 3. What material do you require, UPVC? - UPVC. What colour do you want them to be? - Wh...

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09 Jan

Windows | uPVC

Harrow - HA3

Enquiry from: Martine W

Start Date: Immediate

Call anytime. Number of windows: 7 Number of doors: 2 Quote requested on windows and doors, in PVCu, to be supplied and fitted.

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19 Dec

Windows | uPVC

Harrow - HA3

Enquiry from: Beejal K

Start Date: Immediate

Call anytime. Number of windows: 6 Number of doors: 1 Quote requested on windows and doors, in PVCu, to be supplied and fitted.

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29 Oct

Windows | uPVC

Harrow - HA3

Enquiry from: Naomi B

Start Date: Immediate

Customer made an online enquiry for replacement windows via one of our websites. Confirmed via . 2+ windows Supply and install Please call to arrange an appointment to quote.

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30 Sep

Windows | uPVC

Harrow - HA1

Enquiry from: Abdul T

Start Date: Immediate

call anytime number of windows: 3 number of doors: 1 quote requested on windows and doors, in pvcu, to be supplied and fitted. are you the property owner: owner of the property what level of s...

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11 Aug

Windows | uPVC

Harrow - HA1

Enquiry from: Olabisi B

Start Date: Immediate

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

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11 Jun

Windows | uPVC

Harrow - HA2

Enquiry from: Suresh K

Start Date: Immediate

Customer is looking to have windows installed. They are unsure what options to go for so would like to discuss directly multiple windows to be Supplied and installed Please call to quote.

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28 May

Building Work | Porch

Harrow - HA3

Enquiry from: Rasik V

Start Date: Immediate

are you the home owner of that property? - -yes. are you replacing an existing porch or is this a new build? - new vbuild. what material do you require, upvc? - unsure. what colour do you want it to b...

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08 May

Windows | uPVC

Harrow - HA2

Enquiry from: Mervat C

Start Date: Immediate

Customer made an online enquiry for quotes for double glazing replacement via one of our websites. Customer lives in Harrow area and is considering a range of options for their home. Confirmed interes...

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07 May

Windows | uPVC

Harrow - HA2

Enquiry from: Farida G

Start Date: Immediate

Customer is looking to have new windows installed. They are unsure of options so would like to discuss. Confirmed interest via Customer lives in Harrow area 2+ windows Supply and install Please call ...

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03 May

Windows | uPVC

Harrow - HA3

Enquiry from: Joy S

Start Date: Immediate

Customer made an online enquiry for replacement windows via one of our websites. Confirmed via . 2+ windows Supply and install Please call to arrange an appointment to quote.

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28 Apr

Windows | uPVC

Harrow - HA3

Enquiry from: Hina P

Start Date: Immediate

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

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22 Apr

Windows | uPVC

Harrow - HA2

Enquiry from: Selma F

Start Date: Immediate

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

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20 Apr

Windows | uPVC

Harrow - HA2

Enquiry from: Basgaran S

Start Date: Immediate

Customer made an online enquiry for replacement windows via one of our websites. Confirmed via . 2+ windows Supply and install Please call to arrange an appointment to quote.

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18 Apr

Windows | uPVC

Harrow - HA1

Enquiry from: Kalyan P

Start Date: Immediate

Customer made an online enquiry for new double glazing. Homeowner confirmed interest via Considering a range of options Homeowner lives in Harrow area 2+ windows Supply and install Please call to arr...

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15 Apr

Windows | uPVC

Harrow - HA2

Enquiry from: Rosemary M

Start Date: Immediate

Customer is looking to have windows installed. They are unsure what options to go for so would like to discuss directly multiple windows to be Supplied and installed Please call to quote.

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14 Apr

Windows | uPVC

Harrow - HA3

Enquiry from: Minaz L

Start Date: Immediate

Customer is looking to have new windows installed. They are unsure of options so would like to discuss. Confirmed interest via Customer lives in Harrow area 2+ windows Supply and install Please call ...

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10 Apr

Windows | uPVC

Harrow - HA3

Enquiry from: Bhav P

Start Date: Immediate

Hello! Looking to replace 45 year old Aluminium Windows on a Semi Detached House with Slim/Low Profile Thin & Flush Fitting UPVC Windows. RAL7016 Anthracote Grey on Exterior & White on Interior. Consi...

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How much do Window Installer services cost?

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

The average price
of a Window Installer in Harrow is:

£1,795

Window Installer job Window Installer cost in 2026
Double glazing in Harrow £988-£3,100
Upvc double glazing units only in Harrow £575-£900
Triple glazing in Harrow £988-£3,100
Aluminium windows in Harrow £1,373-£2,088
Wooden window in Harrow £3,750-£5,750
Aluminium windows supply only in Harrow £1,600-£2,500
Upvc or wood porch in Harrow £2,625-£4,025
Sash window in Harrow £1,138-£3,600
Glaziers in Harrow £57-£87
Secondary glazing in Harrow £988-£3,100
uPVC Single Window in Harrow £225-£345
Wooden sash windows in Harrow £3,750-£5,750
Wooden windows supply only in Harrow £2,760-£4,140
Aluminium repair in Harrow £240-£360
Window repair in Harrow £268-£402
Wooden window repair in Harrow £320-£480

Related Window Installer searches in Harrow

Window Installer FAQs

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.

Will double glazing increase my property’s value?

These days, buyers expect homes to have double glazing. People recognise the benefits of installing double glazing, so if you don’t have it installed you should consider it. You’ll increase your property’s value and give it a better chance of selling faster, since single glazed properties are also more likely to have problems with damp and mould which could put buyers off.

Why are double glazed windows better than single glazed?

Double glazed windows are better than single glazed generally because they are more energy efficient. The clue’s in the name – double glazed windows have two panes of glass while single glazed windows only have one. In double glazed windows, there is a space between the two glass panes. This space is filled with inert gas or a tight vacuum, which helps to provide an extra level of insulation. That means that heat won’t escape your home easily, nor will it creep in, so you can keep your home at a more comfortable temperature.

The extra pane of glass also helps to increase your home’s security. Single glazing is pretty easy to smash through, whereas it will take much more effort to smash double glazing and will create more noise, so burglars might be put off.

Another reason why double glazed windows are better than single glazed ones is that they help to reduce noise. Of course, if you live by a busy road you’ll still hear some traffic noise, but it can be significantly reduced buy double glazing. In the same way that the inert gas in the middle of the two panes keeps heat in and the cold out, it also helps keep noise out.

With double glazing, you’ll also notice much less condensation. With single glazing, it’s common to see condensation on the inside of the windows, especially when the heating is on. This is because the outside of the window is cold, but the inside is warm. With double glazing, the insulation between the two panes stops there being such a difference in temperature between the inside and outside of the window.

Can you repair blown double glazed windows?

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.

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.

How does Aluminium double glazing work?

Double glazing is made up of two layers of glass, with a layer of argon gas in between. This type of glass can be used in Aluminium windows. The gas is a poor insulator, helping heat to stay in your home and making your windows more efficient. As well as trapping the argon gas, the second layer of glass reduces the amount of noise that enters your property, and helps to make your windows stronger and more secure.

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.

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.

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