This may not be the best way of getting price information from your window supplier because the cost of windows isn t determined by their square meterage.
Triple glazed windows cost per m2.
Triple glazed sealed units are more expensive to manufacture than double glazed ones as there is an extra chamber to argon gas fill an extra pane of toughened glass an extra spacer bar and extra transport costs due to weight and size.
The average price for a white upvc double glazed casement window measuring 1 metre by 1 metre is around 300.
The final price of triple glazing depends on any number of factors however on average triple glazing will cost 400 550 per square metre.
The cost gap between double from 150 per m2 and triple glazing from 235 per m2 is gradually coming down but there s clearly still a premium to pay.
In terms of glazing expect to pay anywhere from 200 per square metre for double glazed glass and 220 per square metre for low emission glass.
For example an aluminium casement window with two panes measuring 1000mm x 1000mm in total will typically cost about 680 meanwhile sash windows are more expensive with prices starting at around 1 000.
By now you re probably thinking what a wonderful practical product triple glazing is so what s the catch.
Well unfortunately triple glazed windows typically cost between one fifth and one third more than double glazed windows installation of a standard upvc double glazed window could cost around 465 whereas a triple glazed one would be around 565.
While they will certainly deliver improved thermal performance 3g windows won t be the right choice for every home.
The final price of triple glazing depends on any number of factors however on average triple glazing will cost 450 620 per square metre.
How much do aluminium windows cost.
Let s say a double glazed window costs 350 for a triple glazed window of the same size you can expect to pay around 500 or just under.
Typically the cost of double glazed aluminium windows stays between 643 50 to 1 650 depending on the size and type of window.
This may not be the best way of getting price information from your window supplier because the cost of windows isn t determined by their square meterage.
A simple guide to understanding triple glazing prices is to use a representative example.
Below are price estimates for triple glazing windows for different types and sizes of houses in the uk.