Secondary Glazing in Portstewart

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Average Secondary glazing cost in Portstewart

The typical cost of double glazing is approximately £400-600 per window, so you’re 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.

Average price per Secondary glazing job in 2025

Avg. price low

Avg. price low
£1,500

Avg. price

Avg. price
£2,000

Avg. price high

Avg. price high
£5,000

£5100

£3825

£2550

£1275

£0

Prices based on actual Secondary glazing costs for Portstewart, as reported by local LeadsDoWork members.

Secondary glazing installation cost in Portstewart 2025

Labour cost £1,400
Material cost £500
Waste removal £100
Time frame: 1-2 days

Secondary glazing searches in June 2025

Secondary glazing Projects in Portstewart in May 2025

103

Requests for quotations in Portstewart in May 2025

0

Requests for Secondary glazing quotations in Portstewart in May 2025. 0% change from April 2025.

0

Requests for Secondary glazing quotations in County Londonderry in May 2025. 0% change from April 2025.

Source: Numbers calculated based on the search volumes in major search engines

Secondary glazing searches in cities and towns near Portstewart May 2025

Northern Ireland is the Irish area of the United Kingdom, with the Republic of Ireland providing the remainder of the island. It comes with a population of just over 1.8 million, plus a population density of 133 people per square kilometre. This population is just 3% of the United Kingdom and 28% of people on the island of Ireland. Northern Ireland’s capital city of Belfast holds the most significant population of around 340,000, while Derry and Lisburn have 100,000 and 45,000 respectively. For all your home improvement projects in Northern Ireland, use reputable specialists to make sure you get a high-quality finish.

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Similar Customer Enquiries for Secondary glazing in Portstewart

08 Nov

Windows | uPVC

Portstewart - BT55

Enquiry from: Sibonginkosi M

Start Date: Immediate

Customer made an online enquiry for new double glazing. Mrs confirmed interest via Considering a range of options Mrs lives in Portstewart area 2+ windows Supply and install Please call to arrange a...

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17 Aug

Windows | uPVC

Portstewart - BT55

Enquiry from: Resid A

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. Mr lives in Portstewart area 2+ windows Supply and instal...

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07 Jul

Windows | uPVC

Portstewart - BT55

Enquiry from: Jamie H

Start Date: Immediate

Pass: 4 - Call anytime. Number of doors: 1 Style of door: Plain door Quote requested on doors, in PVCu, to be supplied and fitted.

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25 Feb

Windows | uPVC

Portstewart - BT55

Enquiry from: Molly S

Start Date: Immediate

Customer made an online enquiry for replacement windows via one of our websites. Confirmed via . 2+ windows Supply and install Please call to arrange an appointment to quote.

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22 Jul

Windows | uPVC

Portstewart - BT55

Enquiry from: Belinda B

Start Date: Immediate

Are you the property owner: Owner of the property Are you looking to replace the window: Yes Agreed to receive uPVC Quotes: Yes Is there any extras you like in your bathroom: Cabinet/s What level of s...

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17 Jul

Windows | uPVC

Portstewart - BT55

Enquiry from: Michael B

Start Date: Immediate

Replace 2x front Windows and quote to replace conservatory windows

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20 Apr

Windows | uPVC

Portstewart - BT55

Enquiry from: ALISTAIR M

Start Date: Immediate

double glazed glass unit 3ftx2.5ft ; Glass only and fitting

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01 Nov

Windows | uPVC

Portstewart - BT55

Enquiry from: Neill Y

Start Date: Immediate

Homeowner 2+ windows UPVC Supplied and fitted Please contact to appoint

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18 Sep

Windows | uPVC

Portstewart - BT55

Enquiry from: Angela K

Start Date: 1 to 3 months

An old house which requires new windows or at least replacement glazing units. Planning to do the work in 2 or 3 stages as there are so many windows. I am looking for quotes for 4+ uPVC windows Are y...

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15 May

Windows | uPVC

Portstewart - BT55

Enquiry from: Barbara A

Start Date: 1 to 3 months

Are you the property owner: Owner of the property Property Type: Other How many windows do you need: 2-5 Do you require doors: 375 Additional Quotes for Doors: Yes Window Material: PVCu What lev...

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11 Feb

Windows | uPVC

Portstewart - BT55

Enquiry from: DEIRDRE B

Start Date: Immediate

Home Owner 3+ Windows UPVC Supplied and Fitted Please Contact to Appoint

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FAQs

What is uPVC?

uPVC is unplasticised polyvinyl chloride. It is a favourite amongst homeowners and manufacturers for its cheap production cost and excellent benefits. uPVC is used for window frames, conservatories and doors. In fact, uPVC can be three times cheaper than wooden frames and is also the most energy efficient option.As well as this, uPVC is now available in a range of colours other than the typically seen bright white finish. It can also be recycled, is durable and resistant to changing weather conditions.

What happens if I have problems with my new windows?

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.

how long does double glazing last?

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.

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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