A well-made bay window will brighten up most homes whilst also keeping the heat in. You can opt for uPVC, wood or aluminium and each unit will cost on average £2,250, £6,700 and £4,500, respectively.

If you are looking to get your windows replaced and you are researching prices from the best window installers, you will probably have noticed that sash windows are costlier than other styles. And if ...