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 |
£3200
£2400
£1600
£800
£0
| Labour cost | £1,400 | |
| Material cost | £500 | |
| Waste removal | £100 |
Requests for quotations in Watlington in May 2025
Requests for Secondary glazing quotations in Watlington in May 2025. 0% change from April 2025.
Requests for Secondary glazing quotations in Oxfordshire in May 2025. 0% change from April 2025.
BAU UK are a complete home improvements specialists located in the South Coast, with focuses ranging from windows and doors to insulation and solar. Fully accredited, insured and trained in the latest technologies, our team can offer leading services...
Excellent Service
Sunflower windows is a family run business. Started by Andrew Colwell after more than 2 decades of working in the industry. We don't cold call- no untimely and annoying interuptions to your tea We don't use dated sales tactics or false discounts-...
excellent, both salesman and fitters
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
Watlington - OX49
Enquiry from: Dave P
Start Date: Immediate
Homeowner 2+ windows UPVC Supplied and fitted Please contact to appoint What level of service do you require: Supply of full unit only How many windows do you need: 2-3 Windows Property Type: Othe...
Watlington - OX49
Enquiry from: Andrea S
Start Date: 3+ months
Homeowner 1 door Are you the property owner: Owner of the property Do you require Plumbing Work: Yes Interested in Plumbing Quote: Yes Do you require Electrical Work: Yes Interested in Electri...
Oxford - OX4
Enquiry from: Maddelein D
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 Oxford area 2+ windows Supply and insta...
Abingdon - OX13
Enquiry from: Elvin T
Start Date: Immediate
Customer is looking to have new windows installed. They are unsure of options so would like to discuss. Confirmed interest via Customer lives in Abingdon area 2+ windows Supply and install Please cal...
Oxford - OX3
Enquiry from: Jahangir 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. Homeowner lives in Oxford area 2+ windows Supply and insta...
Oxford - OX2
Enquiry from: R
Start Date: Immediate
Customer in Oxford area made an enquiry for double glazing online. 2+ windows Supply and install Please call to arrange an appointment to discuss options
Didcot - OX11
Enquiry from: Jude D
Start Date: Immediate
Customer in Didcot area made an enquiry for double glazing online. 2+ windows Supply and install Please call to arrange an appointment to discuss options
Oxford - OX4
Enquiry from: Paul P
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.
Abingdon - OX14
Enquiry from: Kirsty A
Start Date: Immediate
Customer is looking to get quotes for replacement double glazing. multiple windows Supply and install Please call to quote.
Oxford - OX3
Enquiry from: Nigel T
Start Date: Immediate
customer made an enquiry for replacement double glazing via one of our websites. looking at various options confirmed interest, sms at 16:37 2+ windows supply and install please call to discuss option...
Reading - RG30
Enquiry from: Bushra N
Start Date: Immediate
Customer is looking to get quotes for replacement double glazing. multiple windows Supply and install Please call to quote.
Oxford - OX4
Enquiry from: Bikash T
Start Date: Immediate
customer in oxford area made an enquiry for double glazing online. confirmed via sms at 19:25 confirmed via email at 19:25 2+ windows supply and install please call to arrange an appointment to discus...
Reading - RG30
Enquiry from: David R
Start Date: Immediate
customer in reading area has requested that we arrange quotes for their upvc double glazing project.mr are considering various options and would like to discuss with a window installer directly.please...
Reading - RG30
Enquiry from: Joanne O
Start Date: Immediate
What best describes your living situation? - Homeowner - Sole. How many windows are you considering replacing? - 1. What material do you require, UPVC? - upvc. What colour do you want them to be? - wh...
Reading - RG30
Enquiry from: Tracy C
Start Date: Immediate
Call anytime. Number of windows: 4 Number of doors: 1 Quote requested on windows and doors, in PVCu, to be supplied and fitted.
Didcot - OX11
Enquiry from: Edward H
Start Date: Immediate
Replacement doors and windows for 2 bed bungalow
Reading - RG31
Enquiry from: Vid D
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...
Oxford - OX3
Enquiry from: Kathryn 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 requir...
Reading - RG30
Enquiry from: Tracy C
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...
Reading - RG8
Enquiry from: Kayleigh 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 do...
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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.
The energy efficiency of windows is measured using ratings, varying from A, the most efficient, to G, the least efficient. This scheme is run by the British Fenestration Council (BFRC). To comply with Building Regulations you’ll need windows of energy efficiency at least level C.
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.
By replacing the single glazed windows in your home you stand to make savings of around £170 each year. It’s not just the financial gain that makes double glazing attractive though and you can also save up to 680kg of carbon emissions annually. Over 20 years this is a saving of around £3,400 and 13,600kg of CO2.
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