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Alexander Constructors

0 review(s)
Offers services in LLANFYRNACH
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 LLANFYRNACH
Est. in 1994, Securahome, based in Gorseinon, Swansea, offers a range of UPVC, timber and aluminium orangeries, windows, d...

Windowmaker

0 review(s)
Offers services in LLANFYRNACH
We are one of the few window companies in Swansea that manufacture their own Upvc windows and doors, using eurocell profil...

The Window and Door Store

0 review(s)
Offers services in LLANFYRNACH
We are nationwide suppliers of Upvc and Aluminium windows and doors. From casement windows to 7 leaf bifolding doors; we a...

Centaframe Pvcu Systems

0 review(s)
Offers services in LLANFYRNACH
uPVC Double Glazing Carmarthenshire by Centaframe of LLandeilo Windows | Doors | Conservatories.

Recent Window Installer Enquiries

09 Sep

uPVC Double Glazing

Crymych - SA41

Enquiry from: Hannah W

Start Date: Immediate

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10 Aug

uPVC Double Glazing

Cardigan - SA43

Enquiry from: Miranda W

Start Date: Immediate

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15 Apr

uPVC Double Glazing

Pencader - SA39

Enquiry from: Claire W

Start Date: Immediate

2+ windows supply and install

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12 Mar

Window Repair

Carmarthen - SA31

Enquiry from: Kevin L

Start Date: Immediate

Window won’t open. New handle has made no difference

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12 Feb

uPVC Double Glazing

Newcastle Emlyn - SA38

Enquiry from: Guto J

Start Date: Immediate

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23 Jan

uPVC Single Window

Llandysul - SA44

Enquiry from: Lynne B

Start Date: Immediate

Are you the home owner of that property? - yes . how many windows are you considering replacing? - -. what material do you require, upvc? - --. what colour do you want them to be? - -. i assume you re

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10 Jan

uPVC Double Glazing

Pencader - SA39

Enquiry from: Stephanie G

Start Date: Immediate

Call back anytime

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05 Jan

Wooden Windows

Llanfyrnach - SA35

Enquiry from: Jochen B

Start Date: Immediate

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26 Nov

uPVC Double Glazing

Boncath - SA37

Enquiry from: Liana M

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11 Sep

uPVC Single Window

Carmarthen - SA33

Enquiry from: Caroline F

Start Date: Immediate

Mrs lives in the carmarthen area and would like a call to discuss options

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11 Sep

Replacement Glass Only

Carmarthen - SA33

Enquiry from: Caroline F

Start Date: Immediate

Wooden window repair Lead

Double glazing has moisture between the panes one window

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28 Aug

Window Repair

Clynderwen - SA66

Enquiry from: Martin M

Start Date: Immediate

Glass has slipped in skylight

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27 Jul

Wooden Windows

Cardigan - SA43

Enquiry from: Ben W

Start Date: Immediate

Wooden windows have swollen/have damaged hinges and need either sanding or new hinges I think

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16 Jul

uPVC Double Glazing

Carmarthen - SA31

Enquiry from: Will T

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 doors I

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21 Jun

uPVC Double Glazing

Narberth - SA67

Enquiry from: Jenn P

Start Date: Immediate

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15 Jun

uPVC Double Glazing

Newport - SA42

Enquiry from: Simon S

Start Date: Immediate

Multiple windows Supply and install

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21 Apr

uPVC Double Glazing

Carmarthen - SA33

Enquiry from: Benjamin David D

Start Date: Immediate

2+ windows Supply and install

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08 Apr

uPVC Double Glazing

Cardigan - SA43

Enquiry from: Simon M

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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06 Mar

uPVC Double Glazing

Carmarthen - SA31

Enquiry from: Susan L

Start Date: Immediate

What best describes your living situation? How many windows are you considering replacing? - 2. What material do you require, UPVC? - upvc. What colour do you want them to be? - white. Do you require

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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 Llanfyrnach is:

£2,082

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

Related Window Installer searches in Llanfyrnach

Window Installer FAQs

Can you replace just one double glazed window?

Yes, of course! It’s common for people to replace just one double glazed window. One reason that people want to replace one window is that the sealed unit inside has failed. You’ll know if this has happened because you’ll be able to see condensation on the inside of glass, which gets frustrating because you can’t wipe it away. In this case, you can choose to simply replace the sealed unit or the entire frame, which you might want to do if it’s looking past its best.

When you’re replacing just one double glazed window, if you know the brand of your current windows you could ask your installer if they can source the same ones. This will help to keep them looking as similar as possible, although if your existing windows are very old you may notice some discolouration on the exterior compared to the new one, and locks and trickle vents might look different.

Replacing just one double glazed window shouldn’t take a qualified window fitter long, and could cost as little as £400. If you want to simply replace the sealed unit, that may only cost around £250. You could try to fit a new window yourself, but it’s worth bearing in mind that all replacement windows need to be certified that they’ve been installed to meet building regulations, so you’ll need to apply to your local building control officer who will come and inspect the work then issue a certificate. If you ask an installer who is registered with a self-certification scheme (like FENSA) to fit the window for you, they can issue the certificate themselves when they’ve finished the work.

how much is double glazing?

Double glazed windows are one of the most popular window options for home and property owners in the United Kingdom and reasonably so. They are able to offer a wide range of benefits to home owners which includes being energy efficient, reducing the build up of condensation on windows and black mould growth, significantly reducing background noise for a better relaxation or night rest, increasing the value of your property as well as adding to the aesthetic appeal of your home. So if you’ve decided to lay your hands on a double glazed window, you’d probably also like to know how much it’s going to cost. Well, providing a simple and accurate answer to the question of double glazing window cost is almost impossible as there are so many factors that influences the price including the materials and style.

Several suppliers usually provide the list of their double glazing windows on their websites, however these prices are only for basic off the shelf window and most often without the installation cost. Furthermore, if you require some special features to your double glazed window, then this will also tell on the total cost of the window.

So how much will a double glazing window cost? 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.

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.

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.

what is a window sash?

Windows, being a very crucial feature in every home, are one of the things you simply can’t afford to ignore in your home. Having a good understanding and solid knowledge of your windows’ components like the window sash will help you stay up to date with them and able to identify any minor mishaps early on before it leads to a much bigger problem. So what exactly is a window sash?

Well without much fuss, a window sash is simply that part of your windows that’s able to open and close. And there could as well be more than one window sash that’s operable depending on your window’s type. Window sash usually possess a very basic design as well as structure. What’s more? This section of a window happens to be a frame that’s designed in such a way to make for easy placement inside the whole window casement. You’ll discover inside the sash frame, the window glass alongside any framework possessed by your window which includes grids.

Usually, the sash is fitted into the frame of the window on a runners’ set in such a way that allows for both upward and downward movements. And finally, the window sash’s frame typically comes with a locking system which provided for extra safety and security.

The window sash is a vital feature that can determine the durability and overall performance of the windows. In the event whereby your window sash is malfunctioning, it can result to numerous problems which includes both drafts as well as leaks. As a result, it’s very important to keep your window sashes in a great working condition as failure to do so will make opening and closing your windows a really difficult task.

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.

What if my home isn’t suitable for double glazing?

Some properties are unable to have double glazing, especially those in conservation areas or listed buildings. To counter this problem and still benefit from a warmer home and cheaper bills, secondary glazing is an option. Secondary glazing is a second pane fitted inside your original window. Secondary glazing will still save you around £105 yearly.

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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