The typical cost of double glazing is approximately £400-600 per window, so youâre looking at approximately £2,000 to install 4 double glazed windows in a flat, and up to and exceeding £5,000 for replacing all the windows in a standard-sized home.
| Avg. price low | Avg. price low |
|---|---|
| Avg. price | Avg. price |
| Avg. price high | Avg. price high |
£5100
£3825
£2550
£1275
£0
| Labour cost | £1,400 | |
| Material cost | £500 | |
| Waste removal | £100 |
Requests for quotations in Hertford in August 2026
Requests for Secondary glazing quotations in Hertford in August 2026. 0% change from July 2026.
Requests for Secondary glazing quotations in Hertfordshire in August 2026. 0% change from July 2026.
Here at WFS Anglia Ltd, we have built ourselves a fantastic reputation throughout Cambridge, Northamptonshire, Peterborough, Milton Keynes, Buckinghamshire and surrounding areas. This is based upon our perfect harmony between high quality workmanship...
Excellenc provided by Alex as a true professional. Recommend every time
Crystal is a uPVC Windows and Double Glazing manufacturer and installer. We have built a strong reputation in London and the South East for great value and exceptional service in the design, production and installation of quality uPVC Windows, Doors,...
online reviews scared me
We at Primary Windows & Doors with our 25 years experience in the industry feel our unique operation where we design, survey & install all ranges of products such as windows, doors roofline and conservatories is second to none. Our installations a...
Excellent from initial call to installation Price was very competative & more importantly the service & craftsmanship...
Waiting on measurements
Homestyle are an independent Oxfordshire company specialising in bespoke installs of windows, doors and conservatories. Every customer and every home improvement is unique and can be tailored to suit the most discerning of customers. We offer a high ...
Very professional
G&T is an independent construction and property consultancy working across all sectors of the built environment.
CompetTive price
Hertford - SG13
Enquiry from: Danielle R
Start Date: Immediate
Call any time. Number of windows: 3 Number of doors: 1 Quote requested on windows and doors, in PVCu, to be supplied and fitted.
Hertford - SG13
Enquiry from: Antoana C
Start Date: Immediate
Sell 4 Times Are you the home owner of that property? YES How many windows are you considering replacing? 7 What material do you require, UPVC? upvc What colour do you want them to be? unsure Do you ...
Hertford - SG14
Enquiry from: Emma O
Start Date: Immediate
Sell 4 Times 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? unsure Do you ...
Hertford - SG13
Enquiry from: Yana Z
Start Date: Immediate
customer is looking to replace their windows. they are still considering options so please call to discuss what would be best for their home. mrs lives in hertford area 2+ windows supply and install ...
Hertford - SG14
Enquiry from: Theo B
Start Date: Less than one month
best time: any work type: upvc windows and doors i am looking for quotes for 2-3 windows are you the property owner: owner of the property what level of service do you require: supply and installati...
Hertford - SG13
Enquiry from: Eric D
Start Date: Less than one month
Best Time: Any Work Type: uPVC Windows and Doors
Hertford - SG13
Enquiry from: Louis S
Start Date: Immediate
Customer made an enquiry for replacement double glazing via one of our websites. Looking at various options Confirmed interest 2+ windows Supply and install Please call to discuss options and arrange...
Hertford - SG14
Enquiry from: Christiane S
Start Date: Immediate
need replacing 2 windows ground floor are you the property owner: owner of the property what level of service do you require: supply of full unit only what level of service do you require: supply and ...
Hertford - SG13
Enquiry from: Caroline R
Start Date: Immediate
Double glazing - replacing x3 upstairs windows
Hertford - SG13
Enquiry from: Crispin L
Start Date: Immediate
Pass: 4 - Call anytime. Type of building: Detached Number of bedrooms: 4 Length of garden: 0 m. Width of garden: 0 m. Access available for excavator: Yes How became interested in heat pump: sa...
Hertford - SG13
Enquiry from: David A
Start Date: Immediate
The vents on my present upvc window in my en-suite bathroom are broken and distorted so are constantly in an open position. Would you be able to help me out with this problem?
Hertford - SG13
Enquiry from: David A
Start Date: Immediate
The vents on my present upvc window in my en-suite bathroom are broken and distorted so are constantly in an open position. Would you be able to help me out with this problem?
Hertford - SG13
Enquiry from: David A
Start Date: Immediate
The vents on my present upvc window in my en-suite bathroom are broken and distorted so are constantly in an open position. Would you be able to help me out with this problem?
Hertford - SG14
Enquiry from: Stevie L
Start Date: Immediate
Front bay window in lounge and upstairs bedroom window.
Hertford - SG13
Enquiry from: Lucinda R
Start Date: Immediate
Are you the property owner: Relative of Owner What level of service do you require: Supply and installation of full unit Property Type: Detached How many windows do you need: 4+ Windows Do you require...
Hertford - SG13
Enquiry from: Lucinda R
Start Date: Immediate
Are you the property owner: Relative of Owner What level of service do you require: Supply and installation of full unit Property Type: Detached How many windows do you need: 4+ Windows Do you require...
Hertford - SG14
Enquiry from: CRISS F
Start Date: Immediate
DOUBLE GLAZE FOR 6 WINDOWS AND 2 DOORS
Hertford - SG14
Enquiry from: Steve Z
Start Date: Immediate
Customer in Hertford area made an enquiry for double glazing online. Confirmed via SMS at 17:06 Confirmed via email at 17:06 2+ windows Supply and install Please call to arrange an appointment to di...
Hertford - SG14
Enquiry from: Matthew C
Start Date: Immediate
Homeowner 2+ windows UPVC Supplied and fitted Please contact to appoint
Hertford - SG13
Enquiry from: Barry B
Start Date: Immediate
Customer visited the mywindowsprices.co.uk site and submitted an enquiry. Glazing type: Double, Work description: Remove old timber frames , install only 9 new uvpc windows.
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After fitting your new windows, your installer should take away and dispose of your old windows. If you want to keep them, just let your installer know before they start work. The UPVC frames are melted down and used on the unseen parts of new windows. Aluminium frames are re-smelted and wooden are broken down and used as chipboard.
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.
All new windows come with an energy efficiency rating from A to G. A is best, while G is the lowest rating. Anything above C is considered good, but these days most companies will be able to supply you with A-rated windows to maximise your energy efficiency.
Using a Fensa registered installer isn’t compulsory but it helps to protect you from cowboys and rogue traders. It will also make life a whole lot easier in regards to Building Regulations. Replacement windows must meet a certain energy efficiency rating and once fitted you need a certificate to show your installation complies. By using a Fensa registered company they’ll issue this certificate, otherwise you’ll need the council to look at the new windows.
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