Evolution storm 2 windows - anyone had a quote or had the fitted?

[Nononon]

Looking at these and they look perfect for our cottage style property. I'm assuming they're cheaper then timber but how to they compare to standard Upvc? Our house is with about £250k-£270k(my estimate!) so if they're considerably more expensive I guess it's not worth it compared to the value of the house

What windows do you have now? Sometimes these products are more expensive than timber, especially the more local firms. I'm not a fan but I dislike uPVC windows all together.

We currently have some very tired timber windows fitted in a dark wood which do nothing for the curb appeal of the house.