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Over 20 Reviews
With over 50 years of experience in the windows and doors industry, CR Smith is firmly established as Scotland’s leading h...

Dunholm Improvements

0 review(s)
Offers services in FORFAR
A family run business specialising in new door & window installations, kitchen and home renovations, as well as general jo...
We are one of the biggest manufacturers of veka profile upvc windows and doors. All our windows are fully reinforced with...
Over 10 Reviews
We are a family run business based out of Lunan Bay by Montrose, we cover the whole of Scotland from the highlands to the ...

Angus County Windows

0 review(s)
Offers services in FORFAR
For double glazing windows in Angus and Dundee, why not give Angus County Windows a call today for a free, no-obligation q...
Conservatory Roof Specialists Is your conservatory too cold in the winter and too hot in the summer ? Lightweight tile...

Recent Window Installer Enquiries

10 Aug

uPVC Double Glazing

Arbroath - DD11

Enquiry from: Kimberly C

Start Date: Immediate

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24 Jun

Window Repair

Dundee - DD5

Enquiry from: Evelyn R

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Double glazed window requires repair

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28 Jan

Replacement Glass Only

Dundee - DD2

Enquiry from: Maureen D

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Inner glass on conservatory roof has cracked. GGL CO4. Can you quote for replacing?

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03 Oct

uPVC Double Glazing

Dundee - DD2

Enquiry from: Sandra G

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2+ windows supply and install

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08 Aug

uPVC Double Glazing

Arbroath - DD11

Enquiry from: Bruce L

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2+ windows Supply and install

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27 Jul

uPVC Single Window

Dundee - DD5

Enquiry from: Robert D

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Replace double glazed bedroom window

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25 Jun

Window Repair

Carnoustie - DD7

Enquiry from: Ron C

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Broken catch in double glazed window

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30 Apr

Window Repair

Dundee - DD2

Enquiry from: Kevin B

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3 (from 6) UPVC windows don't close properly (handle won't go fully vertical) and are letting in draughts. Require to "free" the locking mechanism to enable the (address removed) and to service the ot

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02 Apr

uPVC Double Glazing

Dundee - DD4

Enquiry from: Robert M

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I am looking to get quotes to have 5+ windows windows replaced

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10 Mar

uPVC Double Glazing

Forfar, Kirriemuir - DD8

Enquiry from: Kelvin C

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2+ windows Supply and install

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07 Mar

uPVC Single Window

Forfar, Kirriemuir - DD8

Enquiry from: Angela B

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New window tilt and turn 41x41.5

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07 Feb

uPVC Double Glazing

Blairgowrie - PH11

Enquiry from: Susan W

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Call back anytime

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05 Dec

Window Repair

Forfar, Kirriemuir - DD8

Enquiry from: Pamela B

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Assessment of 3 upvc windows where the opening & closing mechanisms/hinges/handles and draft/sound proofness are not working well or efficiently, and then approrpiate repairs to make the winows easily

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04 Dec

Porches

Dundee - DD5

Enquiry from: Peter S

Start Date: Immediate

Bett Bros Elgin design house - require porch appx 3 sq mtrs at front 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 Forfar is:

£2,082

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

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Window Installer FAQs

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.

What is uPVC?

uPVC is unplasticised polyvinyl chloride. It is a favourite amongst homeowners and manufacturers for its cheap production cost and excellent benefits. uPVC is used for window frames, conservatories and doors. In fact, uPVC can be three times cheaper than wooden frames and is also the most energy efficient option.As well as this, uPVC is now available in a range of colours other than the typically seen bright white finish. It can also be recycled, is durable and resistant to changing weather conditions.

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 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.

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.

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 do aluminium windows last?

How long your aluminium windows will last depends on their quality. They should last 20 -30 years at least, but have been known to stay in good condition for up to 45 years. This is considerably longer than uPVC and wooden double glazing.

Why aluminium windows?

Aluminium windows have a range of benefits that make them a great alternative to uPVC windows. Developments in technology have meant that modern aluminium windows now have the same energy efficiency levels as uPVC. Plus, their strength and flexibility make them a more attractive choice to many homeowners, particularly for more modern buildings.

Aluminium frames are typically much thinner than uPVC frames, allowing more light in and wider views. The metal can also be moulded to suit custom shapes, making it ideal for unusually shaped windows. Aluminium windows are available in lots of different colours, so can be designed to suit a wide range of interiors and exteriors.

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