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 Crowthorne in August 2026
Requests for Secondary glazing quotations in Crowthorne in August 2026. 0% change from July 2026.
Requests for Secondary glazing quotations in Berkshire 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
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
Crowthorne - RG45
Enquiry from: John A
Start Date: Immediate
double glazed unit size 490cm x180cm
Crowthorne - RG45
Enquiry from: Chris D
Start Date: Immediate
i would like a quote for double glazing for the house. i guess you need window sizes to give me this? are you the property owner: owner of the property what level of service do you require: supply and...
Crowthorne - RG45
Enquiry from: Nick S
Start Date: Immediate
are you the property owner: owner of the property 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 re...
Crowthorne - RG45
Enquiry from: Claire L
Start Date: Immediate
are you the home owner of that property? yes how many windows are you considering replacing? 2 what material do you require, upvc? upvc what colour do you want them to be? brown do you require doors i...
Crowthorne - RG45
Enquiry from: Nick S
Start Date: Immediate
Are you the property owner: Owner of the property Property Type: Detached How many bedrooms do you have: 3-4 Property Age: 1970-2000 What is your current source of heating for the Renewable Incentive:...
Crowthorne - RG45
Enquiry from: Patrice E
Start Date: Immediate
*Homeowner Windows uPVC Supplied and fitted Please call to appoint
Crowthorne - RG45
Enquiry from: Elizabeth 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. Mrs lives in Crowthorne area 2+ windows Supply and instal...
Crowthorne - RG45
Enquiry from: Shirley C
Start Date: Immediate
*Property owner 2+windows uPVC Supplied and fitted Please call to appoint
Crowthorne - RG45
Enquiry from: Shirley C
Start Date: Immediate
Home Owner UPVC Supplied and Fitted Call to Appoint
Crowthorne - RG45
Enquiry from: Sarah M
Start Date: Immediate
Home Owner UPVC Supplied and Fitted Call to Appoint
Crowthorne - RG45
Enquiry from: Anneke M
Start Date: Less than one month
Are you the property owner: Owner of the property Do you require Plumbing Work: No Do you require Electrical Work: Yes Interested in Electrical Quote: No Would you like the windows or installed: Yes ...
Crowthorne - RG45
Enquiry from: Mrs C
Start Date: 1 to 3 months
Are you the property owner: Owner of the property How many windows do you need: 3-4 Windows What work do you require: Full Unit Replacement Window Material: uPVC Do you live in a conservation area or ...
Crowthorne - RG45
Enquiry from: C
Start Date: Immediate
2 + Windows UPVC Supplied & Fitted Please contact to appoint
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Using a Fensa registered installer isn’t compulsory but it helps to protect you from cowboys and rogue traders. It will also make life a whole lot easier in regards to Building Regulations. Replacement windows must meet a certain energy efficiency rating and once fitted you need a certificate to show your installation complies. By using a Fensa registered company they’ll issue this certificate, otherwise you’ll need the council to look at the new windows.
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.
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.
If a window is double glazed, it has two panes of glass that have a space between them containing argon gas. The gas works as an insulator, keeping heat inside the house as well as reducing noise. It also strengthens the window.
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