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Verified ProOver 20 Reviews

GCB Windows

26 review(s)
Offers services in NORTHERN IRELAND
Bell Windows was brought together in 2008 by Gordon Bell. Even though it is a relatively young company, Gordon himself has...

Barriertherm UK

2 review(s)
Offers services in NORTHERN IRELAND
We are a family run company run on family values we provide a personal professional service offering great products at fac...
Over 20 Reviews

Pennine Home Improvements

29 review(s)
Offers services in NORTHERN IRELAND
Pennine Home Improvements Pennine Home Improvements designs and installs conservatories, UPVC Windows, composite and UP...

RG Doors

0 review(s)
Offers services in NORTHERN IRELAND
RG Doors offers Interior doors, Bespoke Doors, Made to measure Front doors and Interior doors, Casement windows, Sash wind...

Recent Window Installer Enquiries

01 Sep

Windows | Aluminium

Belfast - BT15

Enquiry from: Jacqueline G

Start Date: Immediate

Bay window replacement with aluminium

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28 Aug

Windows | uPVC | Single Window

Ballymena - BT42

Enquiry from: Agnes B

Start Date: Immediate

bedroom window replaced. white pvc

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25 Aug

Windows | uPVC | Repair

Craigavon - BT67

Enquiry from: ANDREA H

Start Date: Immediate

I NEED 4 WINDOWS SEALED. 1 BAY WINDOW AND 3 STANDARD BEDROOM WINDOWS.

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17 Aug

Windows | uPVC

Ferryhill - DL17

Enquiry from: James R

Start Date: Immediate

Call anytime. Number of windows: 5 Number of doors: 1 Quote requested on windows and doors, in PVCu, to be supplied and fitted.

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17 Aug

Windows | uPVC | Single Window

Darlington - DL1

Enquiry from: Tom I

Start Date: Immediate

call back anytime. number of windows: 5 quote requested on windows, in pvcu, to be supplied and fitted. are you the property owner: owner of the property what level of service do you require: sup...

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14 Aug

Windows | uPVC

Ballymoney - BT54

Enquiry from: Aaron N

Start Date: Immediate

All windows and doors replacement

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11 Aug

Windows | uPVC

Newtownabbey - BT36

Enquiry from: Eileen R

Start Date: Immediate

2 large windows in bedroom replaced with side openings.

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08 Aug

Windows | Glazing

Newtownabbey - BT36

Enquiry from: Matthew W

Start Date: Immediate

Old pane of glass removed and new pane fitted

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29 Jul

Windows | Glazing

Belfast - BT15

Enquiry from: Tracy G

Start Date: Immediate

I need a replacement window for back door

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29 Jul

Windows | uPVC

Belfast - BT13

Enquiry from: TERRI J

Start Date: Immediate

3 Windows are building up with condensation in between the glass and whoever installed them should have never been passed

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28 Jul

Windows | Wooden

Downpatrick - BT30

Enquiry from: Carolyn M

Start Date: Immediate

15 wooden double glazed windows , a wooden front door, back door and side door

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25 Jul

Windows | Wooden | Repair

Ballymoney - BT53

Enquiry from: John C

Start Date: Immediate

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

We have several wooden framed double glazed windows and two double patio doors that have clouded over. Looking to either repair or replace the whole house. 12 windows, 2 double patio doors, front and ...

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24 Jul

Windows | Glazing

Newtownabbey - BT37

Enquiry from: Lorraine M

Start Date: Immediate

Glass smashed on outside window of pvc kitchen door approx 52cm x 92cm pattern required not fancy

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18 Jul

Windows | uPVC

Ballymena - BT42

Enquiry from: Lawrence H

Start Date: Immediate

2 doors kitchen window i small 1 medium 1 large porch windows

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13 Jul

Windows | uPVC

Bishop Auckland - DL13

Enquiry from: Carol P

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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12 Jul

Windows | Wooden

Castlewellan - BT31

Enquiry from: Mark W

Start Date: Immediate

Wooden frame window measuring approx 900mmx900mm replace with pvc window

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03 Jul

Windows | uPVC

Carrickfergus - BT38

Enquiry from: Cameron M

Start Date: Immediate

6 windows supplied and fitted in the colour anthracite grey on the outside and inside of the frames.

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25 Jun

Windows | uPVC | Single Window

Belfast - BT8

Enquiry from: Ernest F

Start Date: Immediate

replace window to garage approx 1mx1m pvc brown single glazed

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21 Jun

Windows | uPVC | Single Window

Ballynahinch - BT24

Enquiry from: Martin S

Start Date: Immediate

675 wide 940mm high pvc windo*** of

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18 Jun

Windows | uPVC | Single Window

Belfast - BT8

Enquiry from: Ernest F

Start Date: Immediate

one window single glazed for garage approx 1mby 1m

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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 Northern Ireland is:

£2,657

Window Installer job Window Installer cost in 2026
Double glazing in Northern Ireland £900-£8,500
Upvc double glazing units only in Northern Ireland £800-£1,200
Triple glazing in Northern Ireland £900-£8,500
Aluminium windows in Northern Ireland £1,875-£2,875
Wooden window in Northern Ireland £3,750-£5,750
Aluminium windows supply only in Northern Ireland £2,600-£3,900
Upvc or wood porch in Northern Ireland £2,813-£6,013
Sash window in Northern Ireland £1,050-£9,000
Glaziers in Northern Ireland £57-£87
Secondary glazing in Northern Ireland £900-£8,500
uPVC Single Window in Northern Ireland £225-£345
Wooden sash windows in Northern Ireland £3,750-£5,750
Wooden windows supply only in Northern Ireland £2,760-£4,140
Aluminium repair in Northern Ireland £240-£360
Window repair in Northern Ireland £268-£402
Wooden window repair in Northern Ireland £320-£480

Related Window Installer searches in Northern Ireland

Window Installer FAQs

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.

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.

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 deep do footings need to be for a porch?

No matter how big or small a building is, it can only be as good as it’s foundation - and that’s a fact! It all starts from the footing and when it isn’t deep enough, unlike badly installed gutters or gapped hardwood flooring, can make the whole building collapse to the ground. Just like any code recommendations, the depth of the footings of your porch is a parameter that must be complied with and adjusted to suit your local code requirements.

As a rule of thumb, you should always dig below the frost line when excavating your footings. At this depth level, the moisture present in the soil will be frozen. Ultimately, this will help the ground to act as a barrier to insulate the soil below the footing from freezing during the cold months. As a result, in regions where the weather is almost always very cold the depth of your footings is expected to be at least 48 inches. But in areas featuring a warm climate, you may be allowed to install your footings on grade.

In addition, it’s compulsory that your footings must be installed at a minimum depth of 12 inches below unsettled soil. However, if you’re constructing the structure into a steep hill’s side or by the side of a retaining wall, it’s required that you maintain the least distance to grade both vertically and laterally. In the event whereby you need to achieve a good lateral barrier, you’ll need to have your foundation dug a lot deeper compared to if it’s on a flat surface. For a more accurate and updated information, you can consult your local building inspection department to get familiar with the requirements in your area.

Do I need toughened glass in my windows?

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.

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 to put over a broken window?
A broken window is a nuisance and an unwanted expense, and it can often happen at the worst times, like overnight when installers aren’t available or when the weather is very bad. So you might need to put something over your broken window as a temporary measure before someone can come and replace it – but what should you use? If you’ve got a small crack, you could try using some masking tape. Cover the entire crack with the tape making sure that there is extra tape at each end of the crack. This will help to prevent the crack from growing further. However, this isn’t going to work on large impact cracks or shattered windows. For a shattered window, you need to make sure you remove all the remaining glass as the shards could easily cut someone. To make a broken window like this safe, you’ll need:
  • Thick gloves
  • A hammer
  • A broom
  • A vacuum cleaner
  • Thick-soled shoes
  • Safety goggles
  1. Put your gloves on and use the hammer to remove the rest of the glass. Make sure you hit the glass away from you.
  2. Using the broom, sweep away any loose glass from the area, making sure you do both inside and outside.
  3. Use your vacuum cleaner to remove any small pieces of glass that you might not have been able to see.
Once you’ve cleared up the mess, you’ll want to cover your broken window with plastic and tape. It’s only a temporary measure so make sure you get in touch with a professional as soon as possible. Cut some heavy-duty plastic to fit the entire window. Using duct tape, secure the plastic over the window and make sure all the sides are sealed properly. It’s best to ensure that the plastic stays taught over the frame so it doesn’t get caught by the wind. Make sure you get in touch with a glazier or window installer as soon as you can – you'll notice a draught very quickly and someone could easily come and rip the plastic off. If you’re very worried about this you might want to add a chipboard over the top to make it more secure.

What are the other double glazing options?

Double glazing frames don’t just have to come in uPVC and are available in other materials including aluminium and wood too. Wooden or timber windows are more suited to properties with a traditional look and are often the frame of choice for listed buildings and homes in conservation areas. When properly maintained wooden windows can last well for years but can be up to three times more expensive than uPVC.Aluminium is the strongest and most durable option. As a metal it is highly resistant to the UK’s changing weather conditions and won’t rust, warp, crack or peel. Aluminium offers a modern appeal and is available in a range of colours.

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