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Verified ProOver 50 Reviews

WFS ANGLIA

61 review(s)
Offers services in HERTFORDSHIRE
Here at WFS Anglia Ltd, we have built ourselves a fantastic reputation throughout Cambridge, Northamptonshire, Peterboroug...
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Concept Home Improvements

1 review(s)
Offers services in HERTFORDSHIRE
Concept Windows & Conservatories is a family run company. Established in 1987 we specialise in the installation of high qu...
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Mgr Plastering & Building

0 review(s)
Offers services in HERTFORDSHIRE
All aspects of building work and refurbishment, using quality tradesmen. We look after 4 Churches in the area and have an ...

Recent Window Installer Enquiries

18 Oct

uPVC Double Glazing

Hertford - SG13

Enquiry from: Jean B

Start Date: Immediate

Replacement double glazing including front bay window

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15 Oct

uPVC Double Glazing

Watford - WD25

Enquiry from: Stephanie D

Start Date: Immediate

2+ windows Supply and install

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13 Oct

uPVC Double Glazing

Hitchin - SG5

Enquiry from: Greg S

Start Date: Immediate

1 to 3 replacement windows

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26 Sep

uPVC Double Glazing

Hemel Hempstead - HP3

Enquiry from: Alfie M

Start Date: Immediate

Multiple windows to be Supplied and installed

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04 Sep

uPVC Double Glazing

Stevenage - SG2

Enquiry from: Kirsty H

Start Date: Immediate

Multiple windows to be Supplied and installed

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25 Jul

uPVC Double Glazing

Barnet - EN5

Enquiry from: Tazeen K

Start Date: Immediate

Considering a range of options 2+ windows Supply and install

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15 Jul

Window Repair

St. Albans - AL3

Enquiry from: Gurch N

Start Date: Immediate

Two of our window locks have snapped . These need repairing

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13 Jul

uPVC Double Glazing

Letchworth Garden City - SG6

Enquiry from: Ben B

Start Date: Immediate

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22 Jun

uPVC Double Glazing

Stevenage - SG1

Enquiry from: Deborah C

Start Date: Immediate

Call back anytime

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15 May

uPVC Double Glazing

Ware - SG12

Enquiry from: Yatin P

Start Date: Immediate

Multiple windows to be Supplied and installed

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25 Mar

Replacement Glass Only

Hatfield - AL9

Enquiry from: Jennefer L

Start Date: Immediate

I’m looking to replace 11 misted double‑glazed sealed units in my three‑bedroom townhouse in Park Meadow, Hatfield. The largest window measures approximately 43” × 40”, with the others slig

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21 Mar

uPVC Double Glazing

Waltham Cross - EN7

Enquiry from: Carol H

Start Date: Immediate

3 bedroom, living room kitchen, bathroom and patio doors

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11 Mar

uPVC Double Glazing

Stevenage - SG1

Enquiry from: Mustafa A

Start Date: Immediate

Considering a range of options 2+ windows Supply and install

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02 Feb

Window Repair

Hitchin - SG5

Enquiry from: Luke W

Start Date: Immediate

Remote controlled Velux Skylight has stopped working. Batteries changed in the remote but still un-responsive

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21 Jan

Window Repair

St. Albans - AL1

Enquiry from: Barrie L

Start Date: Immediate

Service and repair please

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20 Jan

Window Repair

Rickmansworth - WD3

Enquiry from: Claire B

Start Date: Immediate

Unfortunately, someone has yanked the window open and the pull-down bit is permanently pulled down. The window no longer shuts. I think mechanism needs replacing

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09 Jan

uPVC Double Glazing

Watford - WD18

Enquiry from: Yubaraj C

Start Date: Immediate

What best describes your living situation? how many windows are you considering replacing? - 5. what material do you require, upvc? - upvc. what colour do you want them to be? - white. do you require

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10 Dec

uPVC Double Glazing

Harpenden - AL5

Enquiry from: Jade B

Start Date: Immediate

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10 Dec

uPVC Double Glazing

Stevenage - SG2

Enquiry from: Jean J

Start Date: Immediate

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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 Hertfordshire is:

£1,795

Window Installer job Window Installer cost in 2026
Double glazing in Hertfordshire £988-£3,100
Upvc double glazing units only in Hertfordshire £575-£900
Triple glazing in Hertfordshire £988-£3,100
Aluminium windows in Hertfordshire £1,373-£2,088
Wooden window in Hertfordshire £3,750-£5,750
Aluminium windows supply only in Hertfordshire £1,600-£2,500
Upvc or wood porch in Hertfordshire £2,625-£4,025
Sash window in Hertfordshire £1,138-£3,600
Glaziers in Hertfordshire £57-£87
Secondary glazing in Hertfordshire £988-£3,100
uPVC Single Window in Hertfordshire £225-£345
Wooden sash windows in Hertfordshire £3,750-£5,750
Wooden windows supply only in Hertfordshire £2,760-£4,140
Aluminium repair in Hertfordshire £240-£360
Window repair in Hertfordshire £268-£402
Wooden window repair in Hertfordshire £320-£480

Related Window Installer searches in Hertfordshire

Window Installer FAQs

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.

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.

How to measure the glass for a window replacement?
If the glass in your window has been damaged, you might only need to replace that rather than your whole window frame. Common reasons for needing to replace the glass in your window include:
  • The glass has smashed from an impact such as a stone hitting it from a lawnmower
  • You have been broken into and suspects used the window to gain entry
  • The glass has blown (lost its airtightness) from constant water build-up around the seals, which is common in bathrooms
  • Extreme weather or pressure changes have caused a crack
If your frames are still intact and there’s nothing wrong with your window’s locks or trims, there’s no reason why you can’t just replace the sealed unit in your window. To help with the quotation process, a window installer may ask you to measure the glass for your window replacement. It’s pretty simple to just measure the sealed unit inside your window. There are just 3 steps you need to take:
  1. Including the beading (the plastic and rubber seals around the windows that can be removed), measure the width of the window frame.
  2. Do the same for the height of the window, making sure you include the beading.
  3. Then, take 10mm off each measurement, and you have the approximate size of your glass.
A reputable window installer will still make their own measurements before confirming the size of the glass in your window and going ahead and ordering the replacement. Make sure you get a range of quotes from local and national installers so you can compare the price and their quotation process.
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 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 to fit a double glazed window?

Did you just purchase a double glazed window and confused about how to have it installed? Fitting the window yourself can be quite easy with the help of this step by step guide. However, if you lack proper training or experience, we’d recommend you reach out to a trustworthy professional who can guarantee the best results for help. That said, now let’s take a look at the process.

• Remove the old windows by detaching the old beading and glass window safely. Then make some interval cuts using a hand saw before using a crowbar to pry it out.

• Cut the external double glazed window seal. Once done, take a measurement of the window area’s width once empty. Then transfer the measurement to the window sil to face outside and cut using a handsaw.

• Seal the window sil. Add a bead of clear silicone along both inside lip as well as the centre to seal the sil.

• Screw the double glazed window to the sil. Position the window on the top of the lipped section that was siliconed. Then pre-drill them together and screw in three places. You should make sure the screws do not go totally to the sil’s bottom.

• Install the double glazed window. After successfully screwing the double glazed window to the sil, you can now fit in the double glazing. Make use of packers to make sure it’s even in the slot.

• Screw the uPVC window to the wall. If you’re happy and satisfied with the position of the window, you can then pre-drill through the frame of the window and the brick wall. Once done, simply screw it in place using masonry screws or Spax screw as they do not require crawl plugs in bricks.

• Seal around the window. To do this, simply fill any gaps with expanding foam, wipe out the excess and seal with silicone.

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.

Why are double glazed windows better than single glazed?

Double glazed windows are better than single glazed generally because they are more energy efficient. The clue’s in the name – double glazed windows have two panes of glass while single glazed windows only have one. In double glazed windows, there is a space between the two glass panes. This space is filled with inert gas or a tight vacuum, which helps to provide an extra level of insulation. That means that heat won’t escape your home easily, nor will it creep in, so you can keep your home at a more comfortable temperature.

The extra pane of glass also helps to increase your home’s security. Single glazing is pretty easy to smash through, whereas it will take much more effort to smash double glazing and will create more noise, so burglars might be put off.

Another reason why double glazed windows are better than single glazed ones is that they help to reduce noise. Of course, if you live by a busy road you’ll still hear some traffic noise, but it can be significantly reduced buy double glazing. In the same way that the inert gas in the middle of the two panes keeps heat in and the cold out, it also helps keep noise out.

With double glazing, you’ll also notice much less condensation. With single glazing, it’s common to see condensation on the inside of the windows, especially when the heating is on. This is because the outside of the window is cold, but the inside is warm. With double glazing, the insulation between the two panes stops there being such a difference in temperature between the inside and outside of the window.

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