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 Antrim in August 2026
Requests for Secondary glazing quotations in Antrim in August 2026. 0% change from July 2026.
Requests for Secondary glazing quotations in County Antrim in August 2026. 0% change from July 2026.
Antrim - BT41
Enquiry from: Fran S
Start Date: Immediate
What best describes your living situation? - Homeowner - Sole. How many windows are you considering replacing? - --. What material do you require, UPVC? - -. What colour do you want them to be? - -. D...
Antrim - BT41
Enquiry from: Ann 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...
Antrim - BT41
Enquiry from: Louise C
Start Date: Immediate
What best describes your living situation? - Homeowner - Sole. How many windows are you considering replacing? - -. What material do you require, UPVC? - -. What colour do you want them to be? - -. Do...
Antrim - BT41
Enquiry from: Sharon D
Start Date: Immediate
Windows replaced in the entire house
Antrim - BT41
Enquiry from: Laurence B
Start Date: Immediate
Are you the home owner of that property? Yes How many windows are you considering replacing? 4 What material do you require, UPVC? upvc What colour do you want them to be? White Do you require doors I...
Antrim - BT41
Enquiry from: Eimear M
Start Date: Immediate
Are you the home owner of that property? Yes How many windows are you considering replacing? 11 What material do you require, UPVC? UPVC What colour do you want them to be? White Do you require doors ...
Antrim - BT41
Enquiry from: Richard S
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 I...
Antrim - BT41
Enquiry from: Liam M
Start Date: Immediate
Are you the home owner of that property? - 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 If so how ...
Antrim - BT41
Enquiry from: Paul S
Start Date: Immediate
Are you the home owner of that property? Yes How many windows are you considering replacing? 8/10 What material do you require, UPVC? UPVC What colour do you want them to be? White Do you require doo...
Antrim - BT41
Enquiry from: Jake A
Start Date: Immediate
Customer in Antrim area made an enquiry for double glazing online. 2+ windows Supply and install Please call to arrange an appointment to discuss options
Antrim - BT41
Enquiry from: Agueda A
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...
Antrim - BT41
Enquiry from: Ivelisse A
Start Date: Immediate
Customer made an online enquiry for quotes for double glazing replacement via one of our websites. Customer lives in Antrim area and is considering a range of options for their home. 2+ windows Su...
Antrim - BT41
Enquiry from: Hershel B
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...
Antrim - BT41
Enquiry from: Dan B
Start Date: Immediate
customer living in antrim area made an enquiry for double glazing quotes via one of our websites. customer confirmed interest via mr needs advice on options 2+ windows supply and install please call ...
Antrim - BT41
Enquiry from: Chelsey A
Start Date: Immediate
Customer made an online enquiry for new double glazing. Mr confirmed interest via Considering a range of options Mr lives in Antrim area 2+ windows Supply and install Please call to arrange appointm...
Antrim - BT41
Enquiry from: Roberto A
Start Date: Immediate
Customer made an online enquiry for quotes for double glazing replacement via one of our websites. Customer lives in Antrim area and is considering a range of options for their home. 2+ windows Su...
Antrim - BT41
Enquiry from: Modesta A
Start Date: Immediate
Customer is looking to have windows installed. They are unsure what options to go for so would like to discuss directly multiple windows to be Supplied and installed Please call to quote.
Antrim - BT41
Enquiry from: Ola A
Start Date: Immediate
Customer in Antrim area made an enquiry for double glazing online. 2+ windows Supply and install Please call to arrange an appointment to discuss options
Antrim - BT41
Enquiry from: Roberta A
Start Date: Immediate
Customer is looking to have windows installed. They are unsure what options to go for so would like to discuss directly multiple windows to be Supplied and installed Please call to quote.
Antrim - BT41
Enquiry from: Marylouise B
Start Date: Immediate
Customer is looking to get quotes for replacement double glazing. multiple windows Supply and install Please call to quote.
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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.
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.
Just like every other thing in your house, your double glazed windows have an expected lifespan attached to it as it gradually becomes less functional and less efficient over time. Although there are actually top quality windows which are able to last a very long time, but the fact still remains that nothing can stand the test of time or last forever. Even the best quality double glazed windows will eventually need to be replaced at some point. So exactly how long do double glazing windows last before need a replacement?
To make it brief, most double glazing window units are typically expected to last an average of 20 years. This number of years can, however, vary within the range of 10 to 35 years based on the several factors such as the type, quality of materials as well as installation and where the windows are located.
The reason for the depreciation in double glazing windows is, over time, the windows may be subjected to some wear, tear as well as all kinds of minor damages which includes gas filled insulated glazing unit slowly and gradually leaking. According to the Centre for Sustainable Energy, the evaporation of 25 percent of gas will ultimately minimize the windows’ thermal performance. And when this occurs, fitting a secondary glazing measure or replacing the windows should be put into consideration.
Another factor leading to the gradual depreciation in double glazing windows over time has to do with condensation. When the window collects between the layers of glass due to the failure of the seal of the perimeter and the saturation of the desiccant, can only be solved by IGU replacement.
And finally, the ravages of time also has a way of taking its toll on double glazing windows. This can happen in so many ways such that the window becomes a lot less efficient and later needing to be replaced.
Ultimately the double glazing company you use is responsible for the quality of work and to ensure your windows are of an excellent standard. This is why it’s important to get a warranty and use a Fensa registered installer. If problems emerge within a couple of years then it’s likely the installation was of a poor standard.Contact the double glazing company and have the issue repaired or new windows replaced. This doesn’t matter if you received a discount of free windows as part of the deal. As long as you entered into a contract the company is obliged to restore the windows.
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