Replacing your windows can significantly improve your home’s warmth, comfort and energy efficiency, but understanding how much new windows cost isn’t always straightforward. The cost of new windows can vary widely depending on the style you choose, the frame material, the number of windows you’re replacing and where you live in the UK. A simple uPVC casement window may sit at the budget-friendly end of the spectrum, while aluminium, timber or bespoke designs can raise the overall price considerably.

In this guide, we break down typical costs for the most common window types, explain the factors that influence the final quote and outline what you can expect to pay for a full-house replacement.…