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Verified ProOver 20 Reviews

Abacus Restoration

39 review(s)
Offers services in ST HELENS
With over 25 years of experience, Abacus Restoration specialises in the repair, restoration and ongoing maintenance of uPV...
Verified ProOver 20 Reviews

Ultra Bright Windows

32 review(s)
Offers services in ST HELENS
We supply and fit double glazed windows and doors and conservatories We are Certass registered and have many years expe...
Verified Pro

Clean City Management UK

0 review(s)
Offers services in ST HELENS
We do Professional landscaping services with your budgets.

Celsius Home Improvements

0 review(s)
Offers services in ST HELENS
Celsius Home Improvements are one of the largest home improvement companies in Merseyside and have more than 20 years of e...

Optimum Construction Group

0 review(s)
Offers services in ST HELENS
Optimum Construction is proud to be classed as one of the area’s leading building contractors covering all aspects of buil...

Recent Window Installer Enquiries

02 Jun

uPVC Double Glazing

St. Helens - WA9

Enquiry from: Margaret D

Start Date: Immediate

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27 Dec

uPVC Double Glazing

St. Helens - WA9

Enquiry from: Gail C

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2+ windows Supply and install

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07 Sep

Replacement Glass Only

St. Helens - WA9

Enquiry from: Deborah C

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Two small panes in a bathroom window

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01 Sep

Replacement Glass Only

St. Helens - WA9

Enquiry from: Deborah C

Start Date: Immediate

I have a small bathroom window that needs the glass replacing

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12 Aug

uPVC Double Glazing

St. Helens - WA9

Enquiry from: Mary G

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Helens area 2+ windows Supply and install

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18 Apr

uPVC Double Glazing

St. Helens - WA9

Enquiry from: Jessica Sarah P

Start Date: Immediate

Helens area and is considering a range of options for their home. 2+ windows Supply and install

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03 Apr

uPVC Double Glazing

St. Helens - WA9

Enquiry from: Kieran A

Start Date: Immediate

Multiple windows to be Supplied and installed

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31 Mar

uPVC Double Glazing

St. Helens - WA10

Enquiry from: Michelle D

Start Date: Immediate

Looking at various options 2+ windows Supply and install

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05 Mar

uPVC Double Glazing

St. Helens - WA11

Enquiry from: James G

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13 Feb

uPVC Double Glazing

St. Helens - WA9

Enquiry from: Michael B

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Call back anytime

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29 Dec

uPVC Double Glazing

St. Helens - WA9

Enquiry from: Paul B

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Helens area 2+ windows supply and install

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10 Dec

uPVC Double Glazing

St. Helens - WA11

Enquiry from: Sarah G

Start Date: Immediate

Are you the home owner of that property? - yes joint. How many windows are you considering replacing? - 4. What material do you require, UPVC? - -. What colour do you want them to be? - WHITE. Do you

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06 Nov

Supply-only uPVC Double Glazing

St. Helens - WA10

Enquiry from: Sharon L

Start Date: Immediate

Wooden window repair Lead Wooden window repair Lead

Just one back door to the front of the house, smaller door than the average door

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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 St Helens is:

£2,082

Window Installer job Window Installer cost in 2026
Double glazing in St Helens £1,500-£5,000
Upvc double glazing units only in St Helens £800-£1,200
Triple glazing in St Helens £1,500-£5,000
Aluminium windows in St Helens £1,875-£2,875
Wooden window in St Helens £3,750-£5,750
Aluminium windows supply only in St Helens £2,600-£3,900
Upvc or wood porch in St Helens £2,625-£4,025
Sash window in St Helens £1,800-£6,000
Glaziers in St Helens £57-£87
Secondary glazing in St Helens £1,500-£5,000
uPVC Single Window in St Helens £225-£345
Wooden sash windows in St Helens £3,750-£5,750
Wooden windows supply only in St Helens £2,760-£4,140
Aluminium repair in St Helens £240-£360
Window repair in St Helens £268-£402
Wooden window repair in St Helens £320-£480

Related Window Installer searches in St Helens

Window Installer FAQs

how much is a porch?

If you’ve decided to construct a porch to your property and now looking to figure out the cost required to complete the project, then you’re at the right place!

There are many factors that comes to play when determining the price of building a porch. These factors includes the size of the porch, the number of windows, the style of the roof as well as the type of the porch selected. Now let’s take a look at these factors one after the other.

• The Porch’s Size

As you would have correctly imagined, a large porch will definitely cost more money than a smaller one. A rough estimate of a porch’s cost per square metre is approximately £1,400.

• The Number Of Windows

Just like in the scenario above, the more the number of windows to be incorporated, the more money you’ll have to pay to complete your porch. A porch window will generally cost you within a range of £300 to £1,000

• The Style Of The Roof

There are two popular styles of porch’s roof which includes a tiled rood and a rubber flat roof. Generally, roof tiles are costlier than a rubber flat roof. A tiled roof would cost you between £0.80 to £1.80 per roof tile, while a rubber roofing will cost your between £70 to £90 per metre squared.

• Type Of The Porch

Another huge determinant of a porch’s price is type of material incorporated. For instance, if your preferred type is a lean-to, the price of a uPVC would be between £2,300 to £2,700. Meanwhile, a flat gable roof porch should cost within a range of £3,300 to £3,800.

Kindly note that the costs quoted in this article are only rough estimates, for a more accurate estimate you can contact a porch building professional within your local area.

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 money will I save with double glazing?

By replacing the single glazed windows in your home you stand to make savings of around £170 each year. It’s not just the financial gain that makes double glazing attractive though and you can also save up to 680kg of carbon emissions annually. Over 20 years this is a saving of around £3,400 and 13,600kg of CO2.

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.

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 can I find out how energy efficient my new windows will be?

All new windows come with an energy efficiency rating from A to G. A is best, while G is the lowest rating. Anything above C is considered good, but these days most companies will be able to supply you with A-rated windows to maximise your energy efficiency.

How much is a single window?
Sometimes accidents happen, and that leads to you needing to replace just a single window. Luckily, most window fitters are happy to replace just one window if you need to. But how much a single window costs will depend on a few factors. Firstly, do you need the entire window, including the frame, replaced, or just the sealed unit? If the frame is still in good condition, glaziers and some window installers can replace the sealed unit and this will set you back around £250. If your window frame is damaged, don’t try to get away with not replacing it. Having a broken window frame can let heat escape your home, increasing your energy bills, and you’re likely to hear more traffic noise. Plus, if the frame is broken you might have trouble closing the window properly, stopping you from keeping your home secure. So how much is a single window if you need the whole thing replaced? You should expect it to cost between £400-£550, but it could cost more or less than this depending on your location, the size of the window and how tricky it is to replace. There are other factors that will impact the cost of replacing a single window. Do you want the window to have plain, leaded or Georgian bar glass? Maybe it will be a casement window, or a bay, bow or sash? The cost will increase if you want more than one opener if it’s a large window, and if you want it to have locks. Also, the standard white uPVC frame colour will probably be included in the price, but if you want a woodgrain look or a different colour uPVC this will cost more.

how does double glazing work?

One of the essential factors that makes a home truly a home is the convenience and comfort it provides us. As a result, we usually have a long to do list comprising things that come together to make sure our home is comfortable with ambient temperature at the very top of the scale of preference. After all, no matter how greatly designed your furniture and home decor is, it probably would amount for nothing if the temperature is either too hot or too cold. Some of the most common ways we incorporate to make the temperature a lot more conducive and warm during the winter months is by installing air conditioning system or through top notch insulation materials, but the fact still remains that a lot of heat would escape through the doors and windows. And that’s exactly the use of double glazing. So how exactly does double glazing work?

Double glazing basically works by preventing the escape of air and trapping it between two panes of glass. It’s the trapped air which serves as an insulation barrier which delivers 3 major functions. First and foremost, it stops the escape of heat through the window as the barrier created insulates the room from varying air temperatures at both sides of the glazing unit. The second major function is the double glazing works to keep down noise pollution coming from outside. While the third major function of double glazing I the fact that it helps minimize condensation which usually occurs on the single glazed windows’ inside as the cold outside air works to cool the warm air inside the house. When you install a double glazing window, the insulation barrier generated will work to stop the air temperature transmission which ultimately helps prevent the occurrence of condensation.

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