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 |
£9000
£6750
£4500
£2250
£0
| Labour cost | £1,400 | |
| Material cost | £500 | |
| Waste removal | £100 |
Requests for quotations in County Durham in March 2025
Requests for Secondary glazing quotations in County Durham in March 2025. 0% change from February 2025.
Requests for Secondary glazing quotations in Northern Ireland in March 2025. 0% change from February 2025.
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Pennine Home Improvements Pennine Home Improvements designs and installs conservatories, UPVC Windows, composite and UPVC doors & conservatory roof replacement products. Pennine works with customers to help them improve their homes and their li...
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Warmseal install high-quality double glazing windows, doors, conservatories & orangeries in Newcastle & North East. Browse our products online now.
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Darlington - DL3
Enquiry from: James H
Start Date: Immediate
Customer is looking to get quotes for replacement double glazing. multiple windows Supply and install Please call to quote.
Newton Aycliffe - DL5
Enquiry from: Chanel H
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. Homeowner lives in Newton Aycliffe area 2+ windows Supply ...
Seaham - SR7
Enquiry from: Chris S
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. Homeowner lives in Seaham area 2+ windows Supply and insta...
Darlington - DL3
Enquiry from: Peter B
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 ...
Darlington - DL1
Enquiry from: Sharon B
Start Date: Immediate
are you the property owner: tenant (with permission) 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...
Bishop Auckland - DL14
Enquiry from: Sharon H
Start Date: Immediate
What best describes your living situation? - Homeowner - Joint. How many windows are you considering replacing? - 1 Door. What material do you require, UPVC? - UPVC Barn Door. What colour do you want ...
Darlington - DL1
Enquiry from: Sharon B
Start Date: Immediate
are you the property owner: tenant (with permission) 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...
Stanley - DH9
Enquiry from: Steven B
Start Date: Immediate
What best describes your living situation? - Homeowner - Joint. Are you the home owner of that property? - employed. How many windows are you considering replacing? - 5. What material do you require, ...
Newton Aycliffe - DL5
Enquiry from: Jackson C
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. Homeowner lives in Newton Aycliffe area 2+ windows Supply ...
Chester le Street - DH3
Enquiry from: Sandra V
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.
Darlington - DL1
Enquiry from: Karan S
Start Date: Immediate
Customer is looking to get quotes for replacement double glazing. multiple windows Supply and install Please call to quote.
Peterlee - SR8
Enquiry from: Amanda 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: semi detached how many windows do you need: 4+ windows do you r...
Darlington - DL1
Enquiry from: Diane G
Start Date: Immediate
Are you the home owner of that property? - Yes - Landlord. How many windows are you considering replacing? - 6. What material do you require, UPVC? - UPVC. What colour do you want them to be? - White....
Peterlee - SR8
Enquiry from: Colin B
Start Date: Immediate
Are you the home owner of that property? joint How many windows are you considering replacing? 9 What material do you require, UPVC? yes What colour do you want them to be? white Do you require doors ...
Stanley - DH9
Enquiry from: Shauna Louise T
Start Date: Immediate
Customer living in Stanley area made an enquiry for double glazing quotes via one of our websites. Customer confirmed interest via phone at 14:09 Homeowner needs advice on options 2+ windows Sup...
Darlington - DL1
Enquiry from: Arielle K
Start Date: Immediate
Are you the home owner of that property? yes joint How many windows are you considering replacing? 1 What material do you require, UPVC? UPVC What colour do you want them to be? WHITE Do you require d...
Darlington - DL2
Enquiry from: Suzanne B
Start Date: Immediate
Are you the home owner of that property? landlord How many windows are you considering replacing? - What material do you require, UPVC? - What colour do you want them to be? upvc Do you require doors ...
Darlington - DL2
Enquiry from: Neringa R
Start Date: Immediate
Customer made an online enquiry for quotes for double glazing replacement via one of our websites. Customer lives in Darlington area and is considering a range of options for their home. 2+ window...
Chester le Street - DH2
Enquiry from: Jeff W
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 ...
Durham - DH7
Enquiry from: Brian E
Start Date: Immediate
Are you the home owner of that property? joint How many windows are you considering replacing? 12 What material do you require, UPVC? UPVC What colour do you want them to be? WHITE Do you require doo...
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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.
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.
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.
If you’ve got a problem with condensation and don’t have double glazing, you should find that getting new windows will help. Condensation is caused by warm air meeting a cold surface which then turns into water droplets. With two panes of glass, less heat will escape from your home and keep the window warmer, meaning when steam from the bathroom or kitchen touches your windows there should be less condensation.
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