Different Window Types

Advantages

Wood

Natural and biodegradable product

Good design features

Versatile

Natural grain effect

Colour change

Good thermal performance

Aluminium

Versatile

Wide price range

uPVC

Disadvantages

uPVC

Restricted design types

Relatively expensive to colour

Low market awareness

Aluminium

Poor insulator (sound and thermal)

Like for like: expensive

Can corrode, especially in coastal areas

Timber

Some wood can rot, shrink and swell

Requires regular maintenance

Difficult to double glaze -> drainage issues

Can have security issues