Secondary Glazing in Holywood

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Average Secondary glazing cost in Holywood

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 2026

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 Holywood, as reported by local LeadsDoWork members.

Secondary glazing installation cost in Holywood 2026

Labour cost £1,400
Material cost £500
Waste removal £100
Time frame: 1-2 days
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Secondary glazing on Google in Holywood

Google searches that showed Local Quotes, 18 July to 15 October 2026

1,088

Searches that showed one of our pages for Holywood, all services

Source: Google Search Console, the number of times our pages appeared in Google search results. It counts searches that showed the page, not quote requests.

Secondary glazing searches near Holywood, 18 July to 15 October 2026

2,743

Searches that showed our page for Belfast

110

Searches that showed our page for Armagh

51

Searches that showed our page for Lisburn

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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Secondary glazing pros in Holywood

GCB Windows Ltd

26 review(s)
Based: in Newry, BT34 4TY

Bell Windows was brought together in 2008 by Gordon Bell. Even though it is a relatively young company, Gordon himself has worked with uPVC products for over 30 years and also in the Building trade for a further 12 years before that

Latest review

Fiona R., BT22
5

uPVC Double Glazing in Newtownards

Excellent, will go with Bell, just awaiting budget release.

Similar Customer Enquiries for Secondary glazing in and around Holywood

12 Oct

Secondary glazing

Belfast - BT6

Enquiry from: Gerard G

Start Date: Immediate

Call back anytime

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03 Oct

Secondary glazing

Belfast - BT5

Enquiry from: Graham E

Start Date: Immediate

1 need 11windows and 2 doors

Property: semi detached

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02 Oct

Secondary glazing

Belfast - BT5

Enquiry from: Neuddin L

Start Date: Immediate

I am looking for the quote to replace single glazed window and to fix double glazed windows for semi detached house

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01 Oct

Secondary glazing

Belfast - BT9

Enquiry from: Annalene M

Start Date: Less than one month

Roof: pitched · Property: terrace · Built: 1930-1970 · Height: 2nd floor

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27 Sep

Secondary glazing

Belfast - BT15

Enquiry from: Leanne M

Start Date: Immediate

3 large windows 4 small and a white plain pvc door front and a glass pvc back door

Property: detached

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19 Sep

Secondary glazing

Belfast - BT13

Enquiry from: Richard M

Start Date: Immediate

Need double window lounge and single bedroom window

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18 Sep

Secondary glazing

Belfast - BT17

Enquiry from: Ben F

Start Date: Immediate

I am looking to get quotes to have 2 windows windows replaced

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11 Aug

Secondary glazing

Newtownabbey - BT36

Enquiry from: Eileen R

Start Date: Immediate

2 large windows in bedroom replaced with side openings

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29 Jul

Secondary glazing

Belfast - BT13

Enquiry from: TERRI J

Start Date: Immediate

3 Windows are building up with condensation in between the glass and whoever installed them should have never been passed

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03 Jul

Secondary glazing

Carrickfergus - BT38

Enquiry from: Cameron M

Start Date: Immediate

6 windows supplied and fitted in the colour anthracite grey on the outside and inside of the frames

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02 Jun

Secondary glazing

Ballyclare - BT39

Enquiry from: Eileen L

Start Date: Immediate

2+ windows supply and install

Property: commercial

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01 Jun

Secondary glazing

Belfast - BT14

Enquiry from: Geraldine M

Start Date: Immediate

Considering a range of options 2+ windows Supply and install

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30 May

Secondary glazing

Belfast - BT12

Enquiry from: Mary M

Start Date: Immediate

Multiple windows to be Supplied and installed

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12 May

Secondary glazing

Bangor (outside Ring Road) - BT19

Enquiry from: Kenneth D

Start Date: Immediate

All existing windows replaced in anthracite

Property: detached

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16 Feb

Secondary glazing

Belfast - BT6

Enquiry from: Gerard G

Start Date: Immediate

Secondary glazing enquiry

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06 Feb

Secondary glazing

Newtownabbey - BT37

Enquiry from: Hayley H

Start Date: Immediate

They are considering a couple of projects at the moment

Property: terrace

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27 Jan

Secondary glazing

Belfast - BT14

Enquiry from: Joanne G

Start Date: Immediate

4 bed detached needing new windows

Property: detached

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16 Jan

Secondary glazing

Bangor (within Ring Road) - BT20

Enquiry from: Stuart A

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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07 Jan

Secondary glazing

Belfast - BT11

Enquiry from: Caitriona 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

Property: terrace

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06 Sep

Secondary glazing

Holywood - BT18

Enquiry from: Francesca F

Start Date: Immediate

Full new double glazed windows and front and back doors for 3-bed semi

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FAQs

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.

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.

Should I get all my windows replaced at once?

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.

Will double glazing increase my property’s value?

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.

Secondary glazing

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Customer Reviews

Overall rating:


Holywood Secondary glazing pros are rated 4.7 out of 5 on average: 1 rated pros, 26 reviews, of 7 pros covering the area.
The LeadsDoWork rating and review is an overall rating based on verified reviews and feedback from the customers with Secondary glazing projects that have been connected with Secondary glazing pros to help them. All Secondary glazing contractors All Holywood Secondary glazing contractors

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