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 Ottery St Mary in May 2026
Requests for Secondary glazing quotations in Ottery St Mary in May 2026. 0% change from April 2026.
Requests for Secondary glazing quotations in Devon in May 2026. 0% change from April 2026.
We are a Home Improvements company specialising in replacement Windows and Doors, refurbishment and new build Conservatories and Porches, Garage Doors, Sliding Patio/French/Bi-Fold doors, Soffits/Fascia/Guttering replacement. Serving the South West o...
Very polite, no pressure
no appointment was made already decided to go with just fit windows
Ottery St. Mary - EX11
Enquiry from: Leah P
Start Date: Immediate
Are you the home owner of that property? sole How many windows are you considering replacing? 2 What material do you require, UPVC? upvc What colour do you want them to be? whitE Do you require doors ...
Ottery St. Mary - EX11
Enquiry from: Mary M
Start Date: Immediate
front door porch upvc - width approx. 6ft wide
Ottery St. Mary - EX11
Enquiry from: Mary M
Start Date: Immediate
front door porch upvc - width approx. 6ft wide
Ottery St. Mary - EX11
Enquiry from: Daniel A
Start Date: Immediate
Customer in Ottery St. Mary area made an enquiry for double glazing online. 2+ windows Supply and install Please call to arrange an appointment to discuss options
Ottery St. Mary - EX11
Enquiry from: SIDNEY Q
Start Date: Immediate
Homeowner 2+ windows UPVC Supplied and fitted Please contact to appoint
Ottery St. Mary - EX11
Enquiry from: Amanda J
Start Date: Immediate
Customer visited the mywindowsprices.co.uk site and submitted an enquiry. Glazing type: Double, Work description: Looking for quotes for the replacement of 4 windows and front door. Windows to be qu...
Ottery St. Mary - EX11
Enquiry from: Joanna G
Start Date: Immediate
Homeowner 2+ windows UPVC Supplied and fitted Please contact to appoint
Exeter - EX3
Enquiry from: Dee J
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 Exeter area 2+ windows Supply and install Please call ...
Budleigh Salterton - EX9
Enquiry from: Ezra R
Start Date: Immediate
Call anytime. Number of windows: 3 Number of doors: 1 Quote requested on windows and doors, in PVCu, to be supplied and fitted.
Exeter - EX4
Enquiry from: Sadie L
Start Date: Immediate
Call anytime. Number of windows: 7 Number of doors: 1 Quote requested on windows and doors, in PVCu, to be supplied and fitted.
Honiton - EX14
Enquiry from: Jennifer R
Start Date: Immediate
What best describes your living situation? - Homeowner - Sole. How many windows are you considering replacing? - 13. What material do you require, UPVC? - Wood. What colour do you want them to be? - w...
Exeter - EX2
Enquiry from: Martin N
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...
Exeter - EX5
Enquiry from: Marie M
Start Date: Immediate
Customer in Exeter area made an enquiry for double glazing online. 2+ windows Supply and install Please call to arrange an appointment to discuss options
Exeter - EX2
Enquiry from: Malcolm P
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 ...
Exmouth - EX8
Enquiry from: Miranda C
Start Date: Immediate
Customer is looking to have new windows installed. They are unsure of options so would like to discuss. Confirmed interest via email/SMS/ Customer lives in Exmouth area 2+ windows Supply and install P...
Exmouth - EX8
Enquiry from: Angela F
Start Date: Immediate
customer made an online enquiry for quotes for double glazing replacement via one of our websites. customer lives in exmouth area and is considering a range of options for their home. 2+ windows suppl...
Exeter - EX5
Enquiry from: John B
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...
Exeter - EX2
Enquiry from: Malcolm 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...
Sidmouth - EX10
Enquiry from: Lin F
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...
Exeter - EX2
Enquiry from: Antoinette S
Start Date: Immediate
What best describes your living situation? - Homeowner - Sole. How many windows are you considering replacing? - 6. What material do you require, UPVC? - upvc. What colour do you want them to be? - wh...
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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.
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.
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.
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.
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