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Alexander Constructors

0 review(s)
Offers services in CAERPHILLY
South Wales, Penarth based design and build contractor. Projects completed include new houses, extensions, kitchens, bathr...
Over 20 Reviews

Securahome PVCu

26 review(s)
Offers services in CAERPHILLY
Est. in 1994, Securahome, based in Gorseinon, Swansea, offers a range of UPVC, timber and aluminium orangeries, windows, d...
Over 35 years’ experience, we offer the complete package from design to installation & 10 years beyond. We offer start to ...

B W M

3 review(s)
Offers services in CAERPHILLY
BWM are a family run business based in Wales that manufacture UPVC and Aluminium windows, doors and bi-folds. As well as i...

Recent Window Installer Enquiries

01 Aug

Window Repair

Caerphilly - CF83

Enquiry from: Keith J

Start Date: Immediate

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

Double glazed window needs seal replaced 12 ft x 8ft

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25 Jul

Replacement Glass Only

Caerphilly - CF83

Enquiry from: Sian M

Start Date: Immediate

I have staybrite windows, but my seals on the inside have gone yellow, can I buy them through you please

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20 Feb

Window Repair

Caerphilly - CF83

Enquiry from: Justin G

Start Date: Immediate

Velux window has come out of it's runner and I can't put it back in

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27 Oct

Replacement Glass Only

Caerphilly - CF83

Enquiry from: Tracy H

Start Date: Immediate

Call back anytime

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15 Aug

uPVC Double Glazing

Caerphilly - CF83

Enquiry from: Ruth W

Start Date: Immediate

2+ windows Supply and install

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14 Aug

uPVC Double Glazing

Caerphilly - CF83

Enquiry from: Rob E

Start Date: Immediate

Considering a range of options 2+ windows Supply and install

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09 Jun

uPVC Single Window

Caerphilly - CF83

Enquiry from: Agnieszka U

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? - UNSURE. I assume

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13 Mar

Porches

Caerphilly - CF83

Enquiry from: Rhodri W

Start Date: Immediate

I want a porch built at the back of the house

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31 Jan

uPVC Double Glazing

Caerphilly - CF83

Enquiry from: J B

Start Date: Immediate

What best describes your living situation? How many windows are you considering replacing? - 6. What material do you require, UPVC? - UPVC. What colour do you want them to be? - -. Do you require door

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16 Jan

uPVC Double Glazing

Caerphilly - CF83

Enquiry from: Deb K

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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07 Jan

uPVC Double Glazing

Caerphilly - CF83

Enquiry from: Jason S

Start Date: Immediate

What best describes your living situation? - -. Are you the home owner of that property? - -. How many windows are you considering replacing? - -. What material do you require, UPVC? - -. What colour

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16 Dec

uPVC Double Glazing

Caerphilly - CF83

Enquiry from: Robert M

Start Date: Immediate

Are you the home owner of that property? - yes. How many windows are you considering replacing? - 12. What material do you require, UPVC? - upvc . What colour do you want them to be? - WHITE . Do you

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11 Dec

uPVC Double Glazing

Caerphilly - CF83

Enquiry from: Barbara C

Start Date: Immediate

Are you the home owner of that property? - Yes. How many windows are you considering replacing? - 12. What material do you require, UPVC? - UPVC. What colour do you want them to be? - White. Do you re

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29 Nov

uPVC Double Glazing

Caerphilly - CF83

Enquiry from: Beth J

Start Date: Immediate

Submit your free quote for rated tradespeople

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18 Nov

uPVC Double Glazing

Caerphilly - CF83

Enquiry from: Michael H

Start Date: Immediate

Are you the home owner of that property? yes How many windows are you considering replacing? 3 What material do you require, UPVC? upvc What colour do you want them to be? WHITE Do you require doors

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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 Caerphilly is:

£2,082

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

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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.

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.

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.
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 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.

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.

What is double glazing?

If a window is double glazed, it has two panes of glass that have a space between them containing argon gas. The gas works as an insulator, keeping heat inside the house as well as reducing noise. It also strengthens the window.

how much does double glazed windows cost?

Are you looking to replace your old window for a new double glazed window and wondering what it’s going to be the cost? Well, the double glazed windows market is a very competitive one in the UK with varying prices across the country. Therefore, if you shop around you’re most likely to find something that’ll fit your budget both products and quality wise.

As you would have expected, the more windows you required the more money you are going to spend. However, the cost per window is likely going to be lower depending on the number of windows you purchase. Several double glazed windows come with a 10 year warranty but it’s advisable to also obtain a solid workmanship warranty which provides coverage for any potential problems for a good period of time upon installation.

To determine the cost of double glazed windows, there are so many things to put into consideration that just the primary dimensions of the window itself. Other factors that works to decrease or increase the cost of the project includes the frames’ quality as well as the material used. For example hardwood can be quite high priced when compared to uPVC.

The number of opening windows within the frame can also play a huge role in the cost of the windows as well as the type of the glass. 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.

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