UPVC Sash Windows, Double Glazed
With their signature vertical sliding function, sash windows are easy to identify, even from a distance. However, the slightly complex nature of their opening function makes them more expensive than a casement or French window of equivalent size.
The additional work required to include the counterweight or spring balancing system within the window accounts for the increased cost.
Traditional box sash window made out timber can be very expensive, so its a good thing that they have been lately also available in uPVC.
UPVC is a cheaper material to use than timber for sash windows and this means the prices is now more competitive and allows more folks to consider them as a new design of more affordable to replace where they need replacing.
Find out more here: http://www.sashwindows-prices.co.uk/