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 West Sussex in August 2026
Requests for Secondary glazing quotations in West Sussex in August 2026. 0% change from July 2026.
Requests for Secondary glazing quotations in South East in August 2026. 0% change from July 2026.
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
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I cannot remember who did quote
We offer an impressive range of external and internal doors - entrance and back doors, patio, French and bifold, we have the ideal choice that will suit your home.
very helpful and informative
The Billenness family have been serving Eastbourne and the surrounding area with their glass and glazing requirements since 1889, when Joseph Billenness founded J. Billenness Ltd, the company was handed down from generation to generation until 1994 w...
Prompt response and very good sales attitude. Price was good and included all the windows. We didn't use this company ...
Creative Windows & Doors | windows and doors surrey - Creative windows and doors supplier
very competative
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
We are specialists in double-glazed windows, doors, conservatories and flat roofs based in Godalming, Surrey. With nearly 30 years’ experience we have helped customers across Hampshire, Berkshire, Surrey and Sussex improve their homes with quality ...
I cannot remember who did quote
Very efficient and friendly service
Chichester - PO19
Enquiry from: Georgie B
Start Date: Immediate
Call back anytime. Number of windows: 5 Number of doors: 1 Quote requested on windows and doors, in PVCu, to be supplied and fitted.
Horsham - RH13
Enquiry from: Mark B
Start Date: Immediate
Call anytime. Number of windows: 9 Number of doors: 3 Quote requested on windows and doors, in PVCu, to be supplied and fitted.
Crawley - RH11
Enquiry from: Albert R
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.
Horley - RH6
Enquiry from: Mariusz P
Start Date: Immediate
Customer living in Horley area made an enquiry for double glazing quotes via one of our websites. Customer confirmed interest via Homeowner needs advice on options 2+ windows Supply and install Pleas...
Worthing - BN12
Enquiry from: Lucy G
Start Date: Immediate
Call anytime. Number of windows: 6 Number of doors: 1 Quote requested on windows and doors, in PVCu, to be supplied and fitted.
Lancing - BN15
Enquiry from: Jake S
Start Date: Immediate
Call anytime. Number of windows: 6 Number of doors: 2 Quote requested on windows and doors, in PVCu, to be supplied and fitted.
Lancing - BN15
Enquiry from: Maria B
Start Date: Immediate
Call anytime. Number of windows: 5 Quote requested on windows, in PVCu, to be supplied and fitted.
Crawley - RH10
Enquiry from: Pasquale M
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 crawley area 2+ windows supply and inst...
Haywards Heath - RH16
Enquiry from: J P
Start Date: Immediate
Customer living in Haywards Heath area made an enquiry for double glazing quotes via one of our websites. Customer confirmed interest via Homeowner needs advice on options 2+ windows Supply and insta...
East Grinstead - RH19
Enquiry from: Gillian M
Start Date: Immediate
Replacement windows approx 3 large and 3 small in bays
Crawley - RH11
Enquiry from: Krishanthan 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 Crawley area 2+ windows Supply and inst...
Crawley - RH11
Enquiry from: Thushari K
Start Date: Immediate
Customer in Crawley area made an enquiry for double glazing online. Confirmed via SMS at 23:26 Confirmed via email at 23:26 2+ windows Supply and install Please call to arrange an appointment to discu...
Horsham - RH12
Enquiry from: Stephen M
Start Date: Immediate
Call any time. Number of windows: 5 Number of doors: 1 Quote requested on windows and doors, in PVCu, to be supplied and fitted.
Crawley - RH10
Enquiry from: Abdul W
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...
Horsham - RH12
Enquiry from: Donna L
Start Date: Immediate
Call any time. Number of windows: 6 Number of doors: 1 Quote requested on windows and doors, in PVCu, to be supplied and fitted.
Horley - RH6
Enquiry from: Sharon C
Start Date: Immediate
Customer made an online enquiry for quotes for double glazing replacement via one of our websites. Customer lives in Horley area and is considering a range of options for their home. 2+ windows Supply...
Worthing - BN14
Enquiry from: Anita C
Start Date: Immediate
Call anytime. Number of windows: 2 Number of doors: 1 Quote requested on windows and doors, in PVCu, to be supplied and fitted.
East Grinstead - RH19
Enquiry from: Chloe M
Start Date: Immediate
Customer living in East Grinstead area made an enquiry for double glazing quotes via one of our websites. Customer confirmed interest via Homeowner needs advice on options 2+ windows Supply and insta...
Littlehampton - BN16
Enquiry from: Derek H
Start Date: Immediate
Call any time. Number of windows: 5 Number of doors: 1 Quote requested on windows and doors, in PVCu, to be supplied and fitted.
Crawley - RH10
Enquiry from: Colin B
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 Crawley area 2+ windows Supply and inst...
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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.
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.
Double glazed windows are one of the most popular window options for home and property owners in the United Kingdom and reasonably so. They are able to offer a wide range of benefits to home owners which includes being energy efficient, reducing the build up of condensation on windows and black mould growth, significantly reducing background noise for a better relaxation or night rest, increasing the value of your property as well as adding to the aesthetic appeal of your home. So if you’ve decided to lay your hands on a double glazed window, you’d probably also like to know how much it’s going to cost. Well, providing a simple and accurate answer to the question of double glazing window cost is almost impossible as there are so many factors that influences the price including the materials and style.
Several suppliers usually provide the list of their double glazing windows on their websites, however these prices are only for basic off the shelf window and most often without the installation cost. Furthermore, if you require some special features to your double glazed window, then this will also tell on the total cost of the window.
So how much will a double glazing window cost? 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.
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.
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