average cost of upvc sash windows
To give you an idea of cost, wooden sash windows can cost around Â£1,300 each, whilst uPVC tend to be cheaper at about Â£700 per window. Sash double glazing windows are still much more expensive than getting traditional double glazing, which works out at about Â£300 per window on average.As we have mentioned elsewhere, it is never cost effective in terms of energy efficiency to switch to double glazing, even on an older property with large sash windows.PVC Sash Windows. uPVC sash windows are now available, and they are about a third cheaper than wooden sash equivalents. The advantage of uPVC of course is that less maintenance is required, and they generally come with lengthy guarantees, but their lifespan is likely to be less than well maintained wooden sash windows.