Secondary glazing vs double glazing. Vital statistics.


Have you done the comparison?

Looked at the cost of secondary glazing versus upvc double glazing? Assessed how long each option will take to fit? The impact on heat and noise insulation?

The answers may surprise you

Typical 950 x 1800mm uPVC replica double glazed sash window
Price: £650
Fitting Time: 3-5 hours
Redecoration/repairs: plaster, repaint or wallpaper, replace sills
Thermal insulation performance: 1.5 – 2.5 W/m2K
Acoustic insulation performance: 25 – 35 dB reduction
(Don’t forget disposing of your original window and the loss of property character, and environmental impact of landfill)

clearview-secondary-glazingTypical 950 x 1800 Clearview Balanced Vertical Sliding Secondary Glazing Unit
Price: £295
Fitting Time: 40mins -1 hour
Thermal insulation performance: 1.5 – 2.5 W/m2K
Acoustic insulation performance: 45 – 52 dB reduction
Loss of building character : none
Redecoration/repairs: none
Landfill: none

Secondary glazing costs less, has similar thermal insulation and improved acoustic insulation to double glazing. It’s quicker to fit, there’s little clearing up and making good afterwards – and you are protecting the planet and the character of your property.

Bit of a no-brainer, isn’t it?

Get a FastQuote on your secondary glazing now.


Clearview secondary glazing - the solution to significantly improved acoustic and heat insulation to your property, making your home or offices more comfortable, secure, greener and cost efficient to run. Achieved without the disruption of replacement windows, and without damaging the character of your building.

Leave a Reply

Your email address will not be published. Required fields are marked *

Help CentreGet a QuoteSavings CalculatorContact Us