as a general product because there is so much variation on what you could get for your money.
How about this article? Buying UPVC Windows. 5 Tips for Lower Prices
as a general product because there is so much variation on what you could get for your money.
How about this article? Buying UPVC Windows. 5 Tips for Lower Prices
Anyway, whichever reason they choose, you can find buyers guides here & there if you take look around on the web. We did just that ,and there is a decent one that we found right here: https://www.mylocalprices.co.uk/cost-guide/double-glazing-prices/